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Einträge mit Organisationseinheit "DFG-Sonderforschungsbereiche (inkl. Transregio) > Sonderforschungsbereiche > SFB 595: Elektrische Ermüdung > A - Synthese"

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2020

Wen, Qingbo ; Yu, Zhaoju ; Riedel, Ralf (2020)
The fate and role of in situ formed carbon in polymer-derived ceramics.
In: Progress in Materials Science, 2020 (109)
doi: 10.1016/j.pmatsci.2019.100623
Artikel, Bibliographie

2016

Cherkashinin, G. ; Jaegermann, W. (2016)
Dissociative adsorption of H2O on LiCoO2 (00l) surfaces: Co reduction induced by electron transfer from intrinsic defects.
In: The Journal of Chemical Physics, 144 (18)
doi: 10.1063/1.4948610
Artikel, Bibliographie

2015

Liu, Na ; Dittmer, Robert ; Stark, Robert W. ; Dietz, Christian (2015)
Visualization of polar nanoregions in lead-free relaxors via piezoresponse force microscopy in torsional dual AC resonance tracking mode.
In: Nanoscale, 7 (27)
doi: 10.1039/c5nr01326g
Artikel, Bibliographie

Hinterstein, Manuel ; Schmitt, Ljubomira A. ; Hoelzel, Markus ; Jo, Wook ; Rödel, Jürgen ; Kleebe, Hans-Joachim ; Hoffman, M. (2015)
Cyclic electric field response of morphotropic Bi1/2Na1/2TiO3-BaTiO3 piezoceramics.
In: Applied Physics Letters, 106 (22)
doi: 10.1063/1.4922145
Artikel, Bibliographie

Rödel, Jürgen ; Webber, Kyle G. ; Dittmer, Robert ; Jo, Wook ; Kimura, Masahiko ; Damjanovic, Dragan (2015)
Transferring lead-free piezoelectric ceramics into application.
In: Journal of the European Ceramic Society, 35 (6)
doi: 10.1016/j.jeurceramsoc.2014.12.013
Artikel, Bibliographie

Reinold, Lukas Mirko ; Yamada, Yuto ; Graczyk-Zajac, Magdalena ; Munakata, Hirokazu ; Kanamura, Kiyoshi ; Riedel, Ralf (2015)
The influence of the pyrolysis temperature on the electrochemical behavior of carbon-rich SiCN polymer-derived ceramics as anode materials in lithium-ion batteries.
In: Journal of Power Sources, 282
doi: 10.1016/j.jpowsour.2015.02.074
Artikel, Bibliographie

Acosta, Matias ; Liu, Na ; Deluca, Marco ; Heidt, Sabrina ; Ringl, Ines ; Dietz, Christian ; Stark, Robert W. ; Jo, Wook (2015)
Tailoring ergodicity through selective A-site doping in the Bi1/2Na1/2TiO3–Bi1/2K1/2TiO3 system.
In: Journal of Applied Physics, 117 (13)
doi: 10.1063/1.4916719
Artikel, Bibliographie

Pradeep, V. S. ; Ayana, D. G. ; Graczyk-Zajac, M. ; Soraru, G. D. ; Riedel, R. (2015)
High Rate Capability of SiOC Ceramic Aerogels with Tailored Porosity as Anode Materials for Li-ion Batteries.
In: Electrochimica Acta, 157
doi: 10.1016/j.electacta.2015.01.088
Artikel, Bibliographie

Graczyk-Zajac, Magdalena ; Reinold, Lukas ; Kaspar, Jan ; Sasikumar, Pradeep ; Soraru, Gian-Domenico ; Riedel, Ralf (2015)
New Insights into Understanding Irreversible and Reversible Lithium Storage within SiOC and SiCN Ceramics.
In: Nanomaterials, 5 (1)
doi: 10.3390/nano5010233
Artikel, Bibliographie

Gassmann, Andrea ; Yampolskii, Sergey V. ; Klein, Andreas ; Albe, Karsten ; Vilbrandt, Nicole ; Pekkola, Oili ; Genenko, Yuri A. ; Rehahn, Matthias ; Seggern, Heinz von (2015)
Study of electrical fatigue by defect engineering in organic light-emitting diodes.
In: Materials Science and Engineering: B, 192
doi: 10.1016/j.mseb.2014.10.014
Artikel, Bibliographie

Hausbrand, René ; Cherkashinin, Gennady ; Ehrenberg, Helmut ; Gröting, Melanie ; Albe, Karsten ; Hess, Christian ; Jaegermann, Wolfram (2015)
Fundamental degradation mechanisms of layered oxide Li-ion battery cathode materials: Methodology, insights and novel approaches.
In: Materials Science and Engineering: B, 192
doi: 10.1016/j.mseb.2014.11.014
Artikel, Bibliographie

2014

Groszewicz, Pedro B. ; Breitzke, Hergen ; Dittmer, Robert ; Sapper, Eva ; Jo, Wook ; Buntkowsky, Gerd ; Rödel, Jürgen (2014)
Nanoscale phase quantification in lead-free (Bi1/2Na1/2)TiO3-BaTiO3 relaxor ferroelectrics by means of 23Na NMR.
In: Physical Review B, 90 (22)
doi: 10.1103/PhysRevB.90.220104
Artikel, Bibliographie

Kaspar, Jan ; Graczyk-Zajac, Magdalena ; Lauterbach, Stefan ; Kleebe, Hans-Joachim ; Riedel, Ralf (2014)
Silicon oxycarbide/nano-silicon composite anodes for Li-ion batteries: Considerable influence of nano-crystalline vs. nano-amorphous silicon embedment on the electrochemical properties.
In: Journal of Power Sources, 269
doi: 10.1016/j.jpowsour.2014.06.089
Artikel, Bibliographie

Petzelt, Jan ; Nuzhnyy, Dmitry ; Bovtun, Viktor ; Paściak, Marek ; Kamba, Stanislav ; Dittmer, Robert ; Svirskas, Šarunas ; Banys, Juras ; Rödel, Jürgen (2014)
Peculiar Bi-ion dynamics in Na1/2Bi1/2TiO3from terahertz and microwave dielectric spectroscopy.
In: Phase Transitions, 87 (10-11)
doi: 10.1080/01411594.2014.953517
Artikel, Bibliographie

Gobeljic, Danka ; Dittmer, Robert ; Rödel, Jürgen ; Shvartsman, Vladimir V. ; Lupascu, Doru C. ; Zhang, S. (2014)
Macroscopic and Nanoscopic Polarization Relaxation Kinetics in Lead-Free Relaxors Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3-BiZn1/2Ti1/2O3.
In: Journal of the American Ceramic Society, 97 (12)
doi: 10.1111/jace.13227
Artikel, Bibliographie

Zakhozheva, Marina ; Schmitt, Ljubomira A. ; Acosta, Matias ; Jo, Wook ; Rödel, Jürgen ; Kleebe, Hans-Joachim (2014)
In situ electric field induced domain evolution in Ba(Zr0.2Ti0.8)O3-0.3(Ba0.7Ca0.3)TiO3 ferroelectrics.
In: Applied Physics Letters, 105 (11)
doi: 10.1063/1.4896048
Artikel, Bibliographie

Sapper, Eva ; Dittmer, Robert ; Damjanovic, Dragan ; Erdem, Emre ; Keeble, David J. ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen (2014)
Aging in the relaxor and ferroelectric state of Fe-doped (1-x)(Bi1/2Na1/2)TiO3-xBaTiO3 piezoelectric ceramics.
In: Journal of Applied Physics, 116 (10)
doi: 10.1063/1.4894630
Artikel, Bibliographie

Pradeep, V. S. ; Graczyk-Zajac, Magdalena ; Wilamowska, Monika ; Riedel, Ralf ; Sorarù, Gian D. (2014)
Influence of pyrolysis atmosphere on the lithium storage properties of carbon-rich polymer derived SiOC ceramic anodes.
In: Solid State Ionics, 262
doi: 10.1016/j.ssi.2013.08.043
Artikel, Bibliographie

Fancher, Chris M. ; Jo, Wook ; Rödel, Jürgen ; Blendell, John E. ; Bowman, Keith J. ; Ihlefeld, J. (2014)
Effect of Texture on Temperature-Dependent Properties of K0.5Na0.5NbO3Modified Bi1/2Na1/2TiO3-xBaTiO3.
In: Journal of the American Ceramic Society, 97 (8)
doi: 10.1111/jace.12986
Artikel, Bibliographie

Nikolaenko, Y. M. ; Kuzovlev, Y. E. ; Medvedev, Y. V. ; Mezin, N. I. ; Fasel, C. ; Gurlo, A. ; Schlicker, L. ; Bayer, T. J. M. ; Genenko, Y. A. (2014)
Macro- and microscopic properties of strontium doped indium oxide.
In: Journal of Applied Physics, 116 (4)
doi: 10.1063/1.4891216
Artikel, Bibliographie

Kaspar, Jan ; Terzioglu, Caglar ; Ionescu, Emanuel ; Graczyk-Zajac, Magdalena ; Hapis, Stefania ; Kleebe, Hans-Joachim ; Riedel, Ralf (2014)
Stable SiOC/Sn Nanocomposite Anodes for Lithium-Ion Batteries with Outstanding Cycling Stability.
In: Advanced Functional Materials, 24 (26)
doi: 10.1002/adfm.201303828
Artikel, Bibliographie

Wilamowska, Monika ; Pradeep, V. S. ; Graczyk-Zajac, Magdalena ; Riedel, Ralf ; Sorarù, Gian Domenico (2014)
Tailoring of SiOC composition as a way to better performing anodes for Li-ion batteries.
In: Solid State Ionics, 260
doi: 10.1016/j.ssi.2014.03.021
Artikel, Bibliographie

Sapper, Eva ; Novak, Nikola ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen (2014)
Electric-field–temperature phase diagram of the ferroelectric relaxor system (1 − x)Bi1/2Na1/2TiO3 − xBaTiO3 doped with manganese.
In: Journal of Applied Physics, 115 (19)
doi: 10.1063/1.4876746
Artikel, Bibliographie

Khansur, Neamul H. ; Groh, Claudia ; Jo, Wook ; Reinhard, Christina ; Kimpton, Justin A. ; Webber, Kyle G. ; Daniels, John E. (2014)
Tailoring of unipolar strain in lead-free piezoelectrics using the ceramic/ceramic composite approach.
In: Journal of Applied Physics, 115 (12)
doi: 10.1063/1.4869786
Artikel, Bibliographie

Baek, Seung-Ho ; Reinold, Lukas Mirko ; Graczyk-Zajac, Magdalena ; Riedel, Ralf ; Hammerath, Franziska ; Büchner, Bernd ; Grafe, Hans-Joachim (2014)
Lithium dynamics in carbon-rich polymer-derived SiCN ceramics probed by nuclear magnetic resonance.
In: Journal of Power Sources, 253
doi: 10.1016/j.jpowsour.2013.12.065
Artikel, Bibliographie

Cherkashinin, Gennady ; Ensling, David ; Jaegermann, Wolfram (2014)
LiMO2 (M = Ni, Co) thin film cathode materials: A correlation between the valence state of transition metals and the electrochemical properties.
In: Journal of Materials Chemistry A, 2 (10)
doi: 10.1039/c3ta14509c
Artikel, Bibliographie

Sapper, Eva ; Gassmann, Andrea ; Gjødvad, Lars ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen (2014)
Cycling stability of lead-free BNT–8BT and BNT–6BT–3KNN multilayer actuators and bulk ceramics.
In: Journal of the European Ceramic Society, 34 (3)
doi: 10.1016/j.jeurceramsoc.2013.09.006
Artikel, Bibliographie

Dittmer, Robert ; Gobeljic, Danka ; Jo, Wook ; Shvartsman, Vladimir V. ; Lupascu, Doru C. ; Jones, Jacob L. ; Rödel, Jürgen (2014)
Ergodicity reflected in macroscopic and microscopic field-dependent behavior of BNT-based relaxors.
In: Journal of Applied Physics, 115 (8)
doi: 10.1063/1.4867157
Artikel, Bibliographie

Dittmer, Robert ; Jo, Wook ; Webber, Kyle G. ; Jones, Jacob L. ; Rödel, Jürgen (2014)
Local structure change evidenced by temperature-dependent elastic measurements: Case study on Bi1/2Na1/2TiO3-based lead-free relaxor piezoceramics.
In: Journal of Applied Physics, 115 (8)
doi: 10.1063/1.4866092
Artikel, Bibliographie

Pradeep, V. S. ; Graczyk-Zajac, Magdalena ; Riedel, Ralf ; Sorarù, Gian Domenico (2014)
New Insights in to the Lithium Storage Mechanism in Polymer Derived SiOC Anode Materials.
In: Electrochimica Acta, 119
doi: 10.1016/j.electacta.2013.12.037
Artikel, Bibliographie

Kaspar, Jan ; Graczyk-Zajac, Magdalena ; Riedel, Ralf (2014)
Determination of the chemical diffusion coefficient of Li-ions in carbon-rich silicon oxycarbide anodes by electro-analytical methods.
In: Electrochimica Acta, 115
doi: 10.1016/j.electacta.2013.https://doi.org/10.184
Artikel, Bibliographie

2013

Kaspar, Jan ; Graczyk-Zajac, Magdalena ; Riedel, Ralf (2013)
Lithium insertion into carbon-rich SiOC ceramics: Influence of pyrolysis temperature on electrochemical properties.
In: Journal of Power Sources, 244
doi: 10.1016/j.jpowsour.2012.11.086
Artikel, Bibliographie

Wilamowska, Monika ; Graczyk-Zajac, Magdalena ; Riedel, Ralf (2013)
Composite materials based on polymer-derived SiCN ceramic and disordered hard carbons as anodes for lithium-ion batteries.
In: Journal of Power Sources, 244
doi: 10.1016/j.jpowsour.2013.03.137
Artikel, Bibliographie

Zhukov, Sergey ; Genenko, Yuri A. ; Acosta, Matias ; Humburg, Heide ; Jo, Wook ; Rödel, Jürgen ; Seggern, Heinz von (2013)
Polarization dynamics across the morphotropic phase boundary in Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 ferroelectrics.
In: Applied Physics Letters, 103 (15)
doi: 10.1063/1.4824730
Artikel, Bibliographie

Kling, Jens ; Jo, Wook ; Dittmer, Robert ; Schaab, Silke ; Kleebe, Hans-Joachim ; Zhang, S. (2013)
Temperature-Dependent Phase Transitions in the Lead-Free Piezoceramics (1 - x - y)(Bi1/2Na1/2)TiO3-xBaTiO3-y(K0.5Na0.5)NbO3Observed byin situTransmission Electron Microscopy and Dielectric Measurements.
In: Journal of the American Ceramic Society, 96 (10)
doi: 10.1111/jace.12493
Artikel, Bibliographie

Liu, Guanwei ; Kaspar, Jan ; Reinold, Lukas Mirko ; Graczyk-Zajac, Magdalena ; Riedel, Ralf (2013)
Electrochemical performance of DVB-modified SiOC and SiCN polymer-derived negative electrodes for lithium-ion batteries.
In: Electrochimica Acta, 106
doi: 10.1016/j.electacta.2013.05.064
Artikel, Bibliographie

Reinold, Lukas Mirko ; Graczyk-Zajac, Magdalena ; Gao, Yan ; Mera, Gabriela ; Riedel, Ralf (2013)
Carbon-rich SiCN ceramics as high capacity/high stability anode material for lithium-ion batteries.
In: Journal of Power Sources, 236
doi: 10.1016/j.jpowsour.2013.02.046
Artikel, Bibliographie

Jo, Wook ; Daniels, John E. ; Damjanovic, Dragan ; Kleemann, Wolfgang ; Rödel, Jürgen (2013)
Two-stage processes of electrically induced-ferroelectric to relaxor transition in 0.94(Bi1/2Na1/2)TiO3-0.06BaTiO3.
In: Applied Physics Letters, 102 (19)
doi: 10.1063/1.4805360
Artikel, Bibliographie

Han, Hyoung-Su ; Jo, Wook ; Kang, Jin-Kyu ; Ahn, Chang-Won ; Won Kim, Ill ; Ahn, Kyoung-Kwan ; Lee, Jae-Shin (2013)
Incipient piezoelectrics and electrostriction behavior in Sn-doped Bi1/2(Na0.82K0.18)1/2TiO3 lead-free ceramics.
In: Journal of Applied Physics, 113 (15)
doi: 10.1063/1.4801893
Artikel, Bibliographie

Dittmer, Robert ; Webber, Kyle G. ; Aulbach, Emil ; Jo, Wook ; Tan, Xiaoli ; Rödel, Jürgen (2013)
Electric-field-induced polarization and strain in 0.94(Bi1/2Na1/2)TiO3–0.06BaTiO3 under uniaxial stress.
In: Acta Materialia, 61 (4)
doi: 10.1016/j.actamat.2012.11.012
Artikel, Bibliographie

Cherkashinin, Gennady ; Ensling, David ; Komissinskiy, Philipp ; Hausbrand, René ; Jaegermann, Wolfram (2013)
Temperature induced reduction of the trivalent Ni ions in LiMO2 (M=Ni, Co) thin films.
In: Surface Science, 608
doi: 10.1016/j.susc.2012.09.023
Artikel, Bibliographie

Zang, Jiadong ; Jo, Wook ; Rödel, Jürgen (2013)
Quenching-induced circumvention of integrated aging effect of relaxor lead lanthanum zirconate titanate and (Bi1/2Na1/2)TiO3-BaTiO3.
In: Applied Physics Letters, 102 (3)
doi: 10.1063/1.4788932
Artikel, Bibliographie

Dittmer, Robert ; Webber, Kyle G. ; Aulbach, Emil ; Jo, Wook ; Tan, Xiaoli ; Rödel, Jürgen (2013)
Optimal working regime of lead–zirconate–titanate for actuation applications.
In: Sensors and Actuators A: Physical, 189
doi: 10.1016/j.sna.2012.09.015
Artikel, Bibliographie

Becker, D. ; Cherkashinin, G. ; Hausbrand, R. ; Jaegermann, W. (2013)
XPS study of diethyl carbonate adsorption on LiCoO2 thin films.
In: Solid State Ionics, 230
doi: 10.1016/j.ssi.2012.08.004
Artikel, Bibliographie

2012

Dittmer, Robert ; Anton, Eva-Maria ; Jo, Wook ; Simons, Hugh ; Daniels, John E. ; Hoffman, Mark ; Pokorny, Jan ; Reaney, Ian M. ; Rödel, Jürgen (2012)
A High-Temperature-Capacitor Dielectric Based on K0.5Na0.5NbO3-Modified Bi1/2Na1/2TiO3-Bi1/2K1/2TiO3.
In: Journal of the American Ceramic Society, 95 (11)
doi: 10.1111/j.1551-2916.2012.05321.x
Artikel, Bibliographie

Dittmer, Robert ; Jo, Wook ; Rödel, Jürgen ; Kalinin, Sergei ; Balke, Nina (2012)
Nanoscale Insight Into Lead-Free BNT-BT-xKNN.
In: Advanced Functional Materials, 22 (20)
doi: 10.1002/adfm.201200592
Artikel, Bibliographie

Graczyk-Zajac, M. ; Toma, L. ; Fasel, C. ; Riedel, R. (2012)
Carbon-rich SiOC anodes for lithium-ion batteries: Part I. Influence of material UV-pre-treatment on high power properties.
In: Solid State Ionics, 225
doi: 10.1016/j.ssi.2011.12.007
Artikel, Bibliographie

Aksel, Elena ; Forrester, Jennifer S. ; Foronda, Humberto M. ; Dittmer, Robert ; Damjanovic, Dragan ; Jones, Jacob L. (2012)
Structure and properties of La-modified Na0.5Bi0.5TiO3 at ambient and elevated temperatures.
In: Journal of Applied Physics, 112 (5)
doi: 10.1063/1.4751357
Artikel, Bibliographie

Dibandjo, P. ; Graczyk-Zajac, M. ; Riedel, R. ; Pradeep, V. S. ; Soraru, G. D. (2012)
Lithium insertion into dense and porous carbon-rich polymer-derived SiOC ceramics.
In: Journal of the European Ceramic Society, 32 (10)
doi: 10.1016/j.jeurceramsoc.2012.03.010
Artikel, Bibliographie

Dittmer, Robert ; Jo, Wook ; Aulbach, Emil ; Granzow, Torsten ; Rödel, Jürgen (2012)
Frequency-dependence of large-signal properties in lead-free piezoceramics.
In: Journal of Applied Physics, 112 (1)
doi: 10.1063/1.4730600
Artikel, Bibliographie

Dittmer, Robert ; Aulbach, Emil ; Jo, Wook ; Webber, Kyle G. ; Rödel, Jürgen (2012)
Large blocking force in Bi1/2Na1/2TiO3-based lead-free piezoceramics.
In: Scripta Materialia, 67 (1)
doi: 10.1016/j.scriptamat.2012.03.031
Artikel, Bibliographie

Erdem, Emre ; Schaab, Silke ; Jo, Wook ; Ozarowski, Andrew ; Van Tol, Johan ; Eichel, Rüdiger-A. (2012)
High-Frequency EPR Analysis of MnO2-Doped [Bi0.5Na0.5]TiO3-BaTiO3Piezoelectric Ceramics – Manganese Oxidation States and Materials ‘Hardening’.
In: Ferroelectrics, 428 (1)
doi: 10.1080/00150193.2012.675831
Artikel, Bibliographie

Cherkashinin, Gennady ; Nikolowski, Kristian ; Ehrenberg, Helmut ; Jacke, Susanne ; Dimesso, Lucangelo ; Jaegermann, Wolfram (2012)
The stability of the SEI layer, surface composition and the oxidation state of transition metals at the electrolyte-cathode interface impacted by the electrochemical cycling: X-ray photoelectron spectroscopy investigation.
In: Physical Chemistry Chemical Physics, 14 (35)
doi: 10.1039/C2CP41134B
Artikel, Bibliographie

Jo, Wook ; Dittmer, Robert ; Acosta, Matias ; Zang, Jiadong ; Groh, Claudia ; Sapper, Eva ; Wang, Ke ; Rödel, Jürgen (2012)
Giant electric-field-induced strains in lead-free ceramics for actuator applications – status and perspective.
In: Journal of Electroceramics
doi: 10.1007/s10832-012-9742-3
Artikel, Bibliographie

Genenko, Yuri A. ; Zhukov, Sergey ; Yampolskii, Sergey V. ; Schütrumpf, Jörg ; Dittmer, Robert ; Jo, Wook ; Kungl, Hans ; Hoffmann, Michael J. ; Seggern, Heinz von (2012)
Universal Polarization Switching Behavior of Disordered Ferroelectrics.
In: Advanced Functional Materials, 22 (11)
doi: 10.1002/adfm.201102841
Artikel, Bibliographie

Vilbrandt, Nicole ; Nickel, S. ; Immel, S. ; Rehahn, Matthias ; Stegmaier, Katja ; Melzer, Christian ; Seggern, Heinz von
Hrsg.: Schlüter, D. A. ; Iawker, C. ; Sakamoto, J. (2012)
Chapter 29: Poly(para-Phenylene-Vinylene)s.
In: Synthesis of Polymers: New Structures and Methods
Buchkapitel, Bibliographie

Kaspar, Jan ; Graczyk-Zajac, Magdalena ; Riedel, Ralf (2012)
Carbon-rich SiOC anodes for lithium-ion batteries: Part II. Role of thermal cross-linking.
In: Solid State Ionics
doi: 10.1016/j.ssi.2012.01.026
Artikel, Bibliographie

2011

Luo, Zhenhua ; Granzow, Torsten ; Glaum, Julia ; Jo, Wook ; Rödel, Jürgen ; Hoffman, Mark (2011)
Effect of Ferroelectric Long-Range Order on the Unipolar and Bipolar Electric Fatigue in Bi1/2Na1/2TiO3-Based Lead-Free Piezoceramics.
In: Journal of the American Ceramic Society, 94 (11)
doi: 10.1111/j.1551-2916.2011.04605.x
Artikel, Bibliographie

Jo, Wook ; Schaab, Silke ; Sapper, Eva ; Schmitt, Ljubomira A. ; Kleebe, Hans-Joachim ; Bell, Andrew J. ; Rödel, Jürgen (2011)
On the phase identity and its thermal evolution of lead free (Bi1/2Na1/2)TiO3-6 mol% BaTiO3.
In: Journal of Applied Physics, 110 (7)
doi: 10.1063/1.3645054
Artikel, Bibliographie

Tran, Vu Diem Ngoc ; Han, Hyoung-Su ; Yoon, Chang-Ho ; Lee, Jae-Shin ; Jo, Wook ; Rödel, Jürgen (2011)
Lead-free electrostrictive bismuth perovskite ceramics with thermally stable field-induced strains.
In: Materials Letters, 65 (17-18)
doi: 10.1016/j.matlet.2011.05.059
Artikel, Bibliographie

Graczyk-Zajac, M. ; Fasel, Claudia ; Riedel, Ralf (2011)
Polymer-derived-SiCN ceramic/graphite composite as anode material with enhanced rate capability for lithium ion batteries.
In: Journal of Power Sources, 196 (15)
doi: 10.1016/j.jpowsour.2011.03.076
Artikel, Bibliographie

Ehmke, Matthias ; Glaum, Julia ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen (2011)
Stabilization of the Fatigue-Resistant Phase by CuO Addition in (Bi1/2Na1/2)TiO3-BaTiO3.
In: Journal of the American Ceramic Society, 94 (8)
doi: 10.1111/j.1551-2916.2010.04379.x
Artikel, Bibliographie

Jo, Wook ; Rödel, Jürgen (2011)
Electric-field-induced volume change and room temperature phase stability of (Bi1/2Na1/2)TiO3-x mol. % BaTiO3 piezoceramics.
In: Applied Physics Letters, 99 (4)
doi: 10.1063/1.3615675
Artikel, Bibliographie

Dittmer, Robert ; Jo, Wook ; Daniels, John ; Schaab, Silke ; Rödel, Jürgen (2011)
Relaxor Characteristics of Morphotropic Phase Boundary (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 Modified with Bi(Zn1/2Ti1/2)O3.
In: Journal of the American Ceramic Society
doi: 10.1111/j.1551-2916.2011.04631.x
Artikel, Bibliographie

Daniels, John E. ; Jo, Wook ; Rödel, Jürgen ; Rytz, Daniel ; Donner, Wolfgang (2011)
Structural origins of relaxor behavior in a 0.96(Bi[sub 1/2]Na[sub 1/2])TiO[sub 3]–0.04BaTiO[sub 3] single crystal under electric field.
In: Applied Physics Letters, 98 (25)
doi: 10.1063/1.3602316
Artikel, Bibliographie

Graczyk-Zając, Magdalena ; Lazar, Ana Maria ; Chaumont, Denis ; Sacilotti, Marco ; Riedel, Ralf (2011)
Electrochemical Investigation of Lithium Intercalation in MOCVD Derived Nanostructured Anatase/Rutile TiO.
In: ecsTransactions, 35 (34)
doi: 10.1149/1.3654219
Artikel, Bibliographie

Reinold, L. Mirko ; Graczyk-Zajac, Magdalena ; Fasel, Claudia ; Riedel, Ralf (2011)
Prevention of Solid Electrolyte Interphase Damaging on Silicon by Using Polymer Derived SiCN Ceramics.
In: ecsTransactions, 35 (34)
doi: 10.1149/1.3654200
Artikel, Bibliographie

Schmitt, Ljubomira A. ; Kling, Jens ; Hinterstein, Manuel ; Hoelzel, Markus ; Jo, Wook ; Kleebe, Hans-Joachim ; Fuess, Hartmut (2011)
Structural investigations on lead-free Bi1/2Na1/2TiO3-based piezoceramics.
In: Journal of Materials Science, 46 (12)
doi: 10.1007/s10853-011-5427-6
Artikel, Bibliographie

Nowak, A. P. ; Graczyk-Zajac, M. ; Riedel, Ralf
Hrsg.: Wicks, George ; Simon, Jack ; Zidan, Ragaiy ; Lara‐Curzio, Edgar ; Adams, Thad ; Zayas, Jose ; Karkamkar, Abhi ; Sindelar, Robert ; Garcia‐Diaz, Brenda ; The American Ceramic Society (2011)
Determination of the Diffusion Coefficient of Lithium Ions in Graphite Coated with Polymer-Derived SiCN Ceramic.
In: Materials Challenges in Alternative and Renewable Energy: Ceramic Transactions, Volume 224
Buchkapitel, Bibliographie

Dittmer, Robert ; Jo, Wook ; Damjanovic, Dragan ; Rödel, Jürgen (2011)
Lead-free high-temperature dielectrics with wide operational range.
In: Journal of Applied Physics, 109 (3)
doi: 10.1063/1.3544481
Artikel, Bibliographie

Simons, Hugh ; Daniels, John ; Jo, Wook ; Dittmer, Robert ; Studer, Andrew ; Avdeev, Maxim ; Rödel, Jürgen ; Hoffman, Mark (2011)
Electric-field-induced strain mechanisms in lead-free 94%(Bi[sub 1/2]Na[sub 1/2])TiO[sub 3]–6%BaTiO[sub 3].
In: Applied Physics Letters, 98 (8)
doi: 10.1063/1.3557049
Artikel, Bibliographie

Luo, Zhenhua ; Glaum, Julia ; Granzow, Torsten ; Jo, Wook ; Dittmer, Robert ; Hoffman, Mark ; Rödel, Jürgen (2011)
Bipolar and Unipolar Fatigue of Ferroelectric BNT-Based Lead-Free Piezoceramics.
In: Journal of the American Ceramic Society, 94 (2)
doi: 10.1111/j.1551-2916.2010.04101.x
Artikel, Bibliographie

Jo, Wook ; Ollagnier, Jean-Baptiste ; Park, Jong-Lo ; Anton, Eva-Maria ; Kwon, O-Jong ; Park, Chan ; Seo, Hyun-Ho ; Lee, Jong-Sook ; Erdem, Emre ; Eichel, Rüdiger-A. ; Rödel, Jürgen (2011)
CuO as a sintering additive for (Bi1/2Na1/2)TiO3–BaTiO3–(K0.5Na0.5)NbO3 lead-free piezoceramics.
In: Journal of the European Ceramic Society, 31 (12)
doi: 10.1016/j.jeurceramsoc.2011.05.008
Artikel, Bibliographie

Wilamowska, Monika ; Mietlinska, Aneta ; Lisowska-Oleksiak, Anna ; Riedel, Ralf (2011)
Organic-inorganic materials for fast charging-discharging processes in energy storage devices.
In: Functional Materials Letters, 04 (02)
doi: 10.1142/S1793604711001774
Artikel, Bibliographie

2010

Kaspar, Jan ; Mera, Gabriela ; Nowak, Andrzej P. ; Graczyk-Zajac, Magdalena ; Riedel, Ralf (2010)
Electrochemical study of lithium insertion into carbon-rich polymer-derived silicon carbonitride ceramics.
In: Electrochimica Acta, 56 (1)
doi: 10.1016/j.electacta.2010.08.103
Artikel, Bibliographie

Graczyk-Zajac, Magdalena ; Mera, Gabriela ; Kaspar, Jan ; Riedel, Ralf (2010)
Electrochemical studies of carbon-rich polymer-derived SiCN ceramics as anode materials for lithium-ion batteries.
In: Journal of the European Ceramic Society, 30 (15)
doi: 10.1016/j.jeurceramsoc.2010.07.010
Artikel, Bibliographie

Kling, Jens ; Tan, Xiaoli ; Jo, Wook ; Kleebe, Hans-Joachim ; Fuess, Hartmut ; Rödel, Jürgen (2010)
In Situ Transmission Electron Microscopy of Electric Field-Triggered Reversible Domain Formation in Bi-Based Lead-Free Piezoceramics.
In: Journal of the American Ceramic Society, 93 (9)
doi: 10.1111/j.1551-2916.2010.03778.x
Artikel, Bibliographie

Li, Jing ; Wu, Qi-Hui ; Jaegermann, Wolfram (2010)
Resonant photoemission spectroscopy study of electronic structures of LiMn2O4.
In: Applied Physics A, 100 (2)
doi: 10.1007/s00339-010-5869-8
Artikel, Bibliographie

Jo, Wook ; Erdem, Emre ; Eichel, Rüdiger-A. ; Glaum, Julia ; Granzow, Torsten ; Damjanovic, Dragan ; Rödel, Jürgen (2010)
Effect of Nb-donor and Fe-acceptor dopants in (Bi[sub 1/2]Na[sub 1/2])TiO[sub 3]–BaTiO[sub 3]–(K[sub 0.5]Na[sub 0.5])NbO[sub 3] lead-free piezoceramics.
In: Journal of Applied Physics, 108 (1)
doi: 10.1063/1.3437645
Artikel, Bibliographie

Ahn, Cheol-Woo ; Park, Chee-Sung ; Dittmer, Robert ; Hong, Soon-Hyung ; Priya, Shashank (2010)
Effect of elemental diffusion on temperature coefficient of piezoelectric properties in KNN-based lead-free composites.
In: Journal of Materials Science, 45 (14)
doi: 10.1007/s10853-010-4550-0
Artikel, Bibliographie

Hinterstein, Manuel ; Schönau, Kristin A. ; Kling, Jens ; Fuess, Hartmut ; Knapp, Michael ; Kungl, Hans ; Hoffmann, Michael J. (2010)
Influence of lanthanum doping on the morphotropic phase boundary of lead zirconate titanate.
In: Journal of Applied Physics, 108 (2)
doi: 10.1063/1.3437399
Artikel, Bibliographie

Seifert, Klaus T. P. ; Jo, Wook ; Rödel, Jürgen (2010)
Temperature-Insensitive Large Strain of (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-(K0.5Na0.5)NbO3Lead-Free Piezoceramics.
In: Journal of the American Ceramic Society, 93 (5)
doi: 10.1111/j.1551-2916.2009.03573.x
Artikel, Bibliographie

Daniels, John E. ; Jo, Wook ; Rödel, Jürgen ; Honkimäki, Veijo ; Jones, Jacob L. (2010)
Electric-field-induced phase-change behavior in (Bi0.5Na0.5)TiO3–BaTiO3–(K0.5Na0.5)NbO3: A combinatorial investigation.
In: Acta Materialia, 58 (6)
doi: 10.1016/j.actamat.2009.11.052
Artikel, Bibliographie

Jo, Wook ; Rödel, Jürgen ; Lee, Jong-Sook ; Baik, Yoon-Hee ; Park, Chan (2010)
Effect of substitution of K for Na on the ferroelectric stability and properties in (Bi0.5Na1/2)TiO3-BaTiO3-(K1/2N1/2)NbO3.
In: Functional Materials Letters, 03 (01)
doi: 10.1142/S179360471000083X
Artikel, Bibliographie

Eichel, Rüdiger-A. ; Kungl, Hans (2010)
Recent developments and future perspectives of lead-free ferroelectrics.
In: Functional Materials Letters, 3 (1)
doi: 10.1142/S179360471000097X
Artikel, Bibliographie

Kungl, Hans ; Hoffmann, Michael J. (2010)
Effects of sintering temperature on microstructure and high field strain of niobium-strontium doped morphotropic lead zirconate titanate.
In: Journal of Applied Physics, 107 (5)
doi: 10.1063/1.3294648
Artikel, Bibliographie

2009

Genenko, Yuri A. ; Glaum, Julia ; Hirsch, O. ; Kungl, Hans ; Hoffmann, Michael J. ; Granzow, Torsten (2009)
Aging of poled ferroelectric ceramics due to relaxation of random depolarization fields by space-charge accumulation near grain boundaries.
In: Physical Review B, 80 (224109)
doi: 10.1103/PhysRevB.80.224109
Artikel, Bibliographie

Zhang, Shan-Tao ; Kounga Njiwa, Alain Brice ; Jo, Wook ; Jamin, Christine ; Seifert, Klaus T. P. ; Granzow, Torsten ; Rödel, Jürgen ; Damjanovic, Dragan (2009)
High-Strain Lead-free Antiferroelectric Electrostrictors.
In: Advanced Materials, 21 (46)
doi: 10.1002/adma.200901516
Artikel, Bibliographie

Van Tol, J. ; Dinse, Klaus-Peter ; Kungl, Hans ; Hoffmann, Michael J. (2009)
Pulsed High-Frequency EPR Investigation of Gadolinium-Doped PbZrO3 and PbTiO3.
In: Applied Magnetic Resonance, 36 (2-4)
doi: 10.1007/s00723-009-0026-2
Artikel, Bibliographie

Laubach, Sonja ; Laubach, Stefan ; Schmidt, Peter C. ; Gröting, Melanie ; Albe, Karsten ; Jaegermann, Wolfram ; Wolf, Walter (2009)
Structure, Electronic Structure and Defect Formation Energies of LixCo1-yNiyO2 as a Function of x (0<x<1) and y (y = 0, 0.5, 1).
In: Zeitschrift für Physikalische Chemie, 223 (10-11)
doi: 10.1524/zpch.2009.6082
Artikel, Bibliographie

Eichel, Rüdiger-A. ; Erünal, Ebru ; Drahus, Michael D. ; Smyth, Donald M. ; Van Tol, Johan ; Acker, Jérôme ; Kungl, Hans ; Hoffmann, Michael J. (2009)
Local variations in defect polarization and covalent bonding in ferroelectric Cu2+-doped PZT and KNN functional ceramics at the morphotropic phase boundary.
In: Physical Chemistry Chemical Physics, 11 (39)
doi: 10.1039/b905642d
Artikel, Bibliographie

Silvestroni, Laura ; Kleebe, Hans-Joachim ; Kungl, Hans ; Lauterbach, Stefan ; Müller, Mathis M. ; Hoffmann, Michael J. (2009)
Lead Zirconate Titanate-Magnetoplumbite Composites: A First Step Toward Multiferroic Ceramics?
In: Journal of the American Ceramic Society, 92 (10)
doi: 10.1111/j.1551-2916.2009.03192.x
Artikel, Bibliographie

Eichel, Rüdiger-A. ; Drahus, Michael D. ; Jakes, Peter ; Erünal, Ebru ; Erdem, Emre ; Parashar, Sandeep Kumar ; Kungl, Hans ; Hoffmann, Michael J. (2009)
Defect structure and formation of defect complexes in Cu2+-modified metal oxides derived from a spin-Hamiltonian parameter analysis.
In: Molecular Physics, 107 (19)
doi: 10.1080/00268970903084920
Artikel, Bibliographie

Fleissner, Arne ; Stegmaier, Katja ; Melzer, Christian ; Seggern, Heinz von ; Schwalm, Thorsten ; Rehahn, Matthias (2009)
Residual Halide Groups in Gilch-Polymerized Poly(p-phenylene-vinylene) and Their Impact on Performance and Lifetime of Organic Light-Emitting Diodes.
In: Chemistry of Materials, 21 (18)
doi: 10.1021/cm901513k
Artikel, Bibliographie

Schidleja, Martin ; Melzer, Christian ; Roth, Michael ; Schwalm, Thorsten ; Gawrisch, Christian ; Rehahn, Matthias ; Seggern, Heinz von (2009)
The impact of contact formation on the light emission from ambipolar transistors.
In: Applied Physics Letters, 95 (11)
doi: 10.1063/1.3222976
Artikel, Bibliographie

Tan, Xiaoli ; Aulbach, Emil ; Jo, Wook ; Granzow, Torsten ; Kling, Jens ; Marsilius, Mie ; Kleebe, Hans-Joachim ; Rödel, Jürgen (2009)
Effect of uniaxial stress on ferroelectric behavior of (Bi1/2Na1/2)TiO3-based lead-free piezoelectric ceramics.
In: Journal of Applied Physics, 106 (4)
doi: 10.1063/1.3207827
Artikel, Bibliographie

Schwalm, Thorsten ; Wiesecke, Jens ; Immel, Stefan ; Rehahn, Matthias (2009)
The Gilch Synthesis of Poly(p-phenylene vinylenes): Mechanistic Knowledge in the Service of Advanced Materials.
In: Macromolecular Rapid Communications, 30 (15)
doi: 10.1002/marc.200900104
Artikel, Bibliographie

Erdem, Emre ; Mass, Valentina ; Gembus, Armin ; Schulz, Armin ; Liebau-Kunzmann, Verena ; Fasel, Claudia ; Riedel, Ralf ; Eichel, Rüdiger-A. (2009)
Defect structure in lithium-doped polymer-derived SiCN ceramics characterized by Raman and electron paramagnetic resonance spectroscopy.
In: Physical Chemistry Chemical Physics, 11 (27)
doi: 10.1039/b822457a
Artikel, Bibliographie

Daniels, John E. ; Jo, Wook ; Rödel, Jürgen ; Jones, Jacob L. (2009)
Electric-field-induced phase transformation at a lead-free morphotropic phase boundary: Case study in a 93%(Bi0.5Na0.5)TiO3–7% BaTiO3 piezoelectric ceramic.
In: Applied Physics Letters, 95 (3)
doi: 10.1063/1.3182679
Artikel, Bibliographie

Rödel, Jürgen ; Jo, Wook ; Seifert, Klaus T. P. ; Anton, Eva-Maria ; Granzow, Torsten ; Damjanovic, Dragan (2009)
Perspective on the Development of Lead-free Piezoceramics.
In: Journal of the American Ceramic Society, 92 (6)
doi: 10.1111/j.1551-2916.2009.03061.x
Artikel, Bibliographie

Jo, Wook ; Granzow, Torsten ; Aulbach, Emil ; Rödel, Jürgen ; Damjanovic, Dragan (2009)
Origin of the large strain response in (K[sub 0.5]Na[sub 0.5])NbO[sub 3]-modified (Bi[sub 0.5]Na[sub 0.5])TiO[sub 3]–BaTiO[sub 3] lead-free piezoceramics.
In: Journal of Applied Physics, 105 (9)
doi: 10.1063/1.3121203
Artikel, Bibliographie

Sakamoto, Junji ; Rehahn, Matthias ; Wegner, Gerhard ; Schlüter, A. D. (2009)
Suzuki Polycondensation: Polyarylenes à la Carte.
In: Macromolecular Rapid Communications, 30 (9-10)
doi: 10.1002/marc.200900063
Artikel, Bibliographie

Kleebe, Hans-Joachim ; Lauterbach, Stefan ; Silvestroni, Laura ; Kungl, Hans ; Hoffmann, Michael J. ; Erdem, Emre ; Eichel, Rüdiger-A. (2009)
Formation of magnetic grains in ferroelectric Pb[Zr0.6Ti0.4]O3 ceramics doped with Fe3+ above the solubility limit.
In: Applied Physics Letters, 94 (14)
doi: 10.1063/1.3103313
Artikel, Bibliographie

Laubach, Sonja ; Laubach, Stefan ; Schmidt, Peter C. ; Ensling, David ; Schmid, Stefan ; Jaegermann, Wolfram ; Thißen, Andreas ; Nikolowski, Kristian ; Ehrenberg, Helmut (2009)
Changes in the crystal and electronic structure of LiCoO2 and LiNiO2 upon Li intercalation and de-intercalation.
In: Physical Chemistry Chemical Physics, 11 (17)
doi: 10.1039/b901200a
Artikel, Bibliographie

Westram, Ilona ; Kungl, Hans ; Hoffmann, Michael J. ; Rödel, Jürgen (2009)
Influence of crystal structure on crack propagation under cyclic electric loading in lead–zirconate–titanate.
In: Journal of the European Ceramic Society, 29 (3)
doi: 10.1016/j.jeurceramsoc.2008.05.050
Artikel, Bibliographie

2008

Zhang, Shan-Tao ; Kounga Njiwa, Alain Brice ; Aulbach, Emil ; Deng, Yu (2008)
Temperature-Dependent Electrical Properties of 0.94Bi0.5Na0.5TiO3-0.06BaTiO3Ceramics.
In: Journal of the American Ceramic Society, 91 (12)
doi: 10.1111/j.1551-2916.2008.02778.x
Artikel, Bibliographie

Ensling, David ; Thissen, Andreas ; Jaegermann, Wolfram (2008)
On the formation of lithium oxides and carbonates on Li metal electrodes in comparison to LiCoO2 surface phases investigated by photoelectron spectroscopy.
In: Applied Surface Science, 255 (5)
doi: 10.1016/j.apsusc.2008.07.196
Artikel, Bibliographie

Hall, D. A. ; Mori, T. ; Withers, P. J. ; Kungl, Hans ; Hoffmann, Michael J. ; Wright, J. (2008)
Domain switching in rhombohedral PZT ceramics under electrical and mechanical loading.
In: Materials Science and Technology, 24 (8)
doi: 10.1179/174328408X302611
Artikel, Bibliographie

Hoffmann, M. J. ; Kungl, H. ; Theissmann, R. ; Wagner, S.
Hrsg.: Heywang, W. ; Lubitz, K. ; Werding, W. (2008)
Microstructural Analysis Based on Microscopy and X-Ray Diffraction.
In: Piezoelectricity. Evolution and Future of a Technology.
doi: 10.1007/978-3-540-68683-5
Buchkapitel, Bibliographie

Farooq, M. U. ; Villaurrutia, R. ; MacLaren, I. ; Burnett, T. L. ; Comyn, Timothy P. ; Bell, Andrew J. ; Kungl, Hans ; Hoffmann, Michael J. (2008)
Electron backscatter diffraction mapping of herringbone domain structures in tetragonal piezoelectrics.
In: Journal of Applied Physics, 104 (2)
doi: 10.1063/1.2956704
Artikel, Bibliographie

Kounga, Alain Brice ; Zhang, Shan-Tao ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen (2008)
Morphotropic phase boundary in (1−x)Bi[sub 0.5]Na[sub 0.5]TiO[sub 3]–xK[sub 0.5]Na[sub 0.5]NbO[sub 3] lead-free piezoceramics.
In: Applied Physics Letters, 92 (22)
doi: 10.1063/1.2938064
Artikel, Bibliographie

Erdem, Emre ; Drahus, Michael D. ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; Van Tol, Johan ; Brunel, Louis Claude (2008)
DEFECT STRUCTURE IN "SOFT" (Gd,Fe)-CODOPED PZT 52.5/47.5 PIEZOELECTRIC CERAMIC.
In: Functional Materials Letters, 1 (1)
doi: 10.1142/S1793604708000034
Artikel, Bibliographie

Kungl, Hans ; Hoffmann, Michael J. (2008)
Method for the estimation of the total displacement of ferroelectric actuators under mixed thermal and electrical loading.
In: Sensors and Actuators A: Physical, 144 (2)
doi: 10.1016/j.sna.2008.01.021
Artikel, Bibliographie

Farooq, M. U. ; Villaurrutia, R. ; MacLaren, I. ; Kungl, Hans ; Hoffmann, Michael J. ; Fundenberger, J.-J. ; Bouzy, E. (2008)
Using EBSD and TEM-Kikuchi patterns to study local crystallography at the domain boundaries of lead zirconate titanate.
In: Journal of Microscopy, 230 (3)
doi: 10.1111/j.1365-2818.2008.02004.x
Artikel, Bibliographie

Erdem, Emre ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; Van Tol, Johan ; Brunei, L. C. (2008)
Characterization of (Fe<sub>Zr,Ti</sub>-V<sub>o</sub> <sup>ldrldr</sup>)<sup>ldr</sup> defect dipoles in (La,Fe)-codoped PZT 52.5/47.5 piezoelectric ceramics by multifrequency electron paramagnetic resonance spectroscopy.
In: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 55 (5)
doi: 10.1109/TUFFC.2008.757
Artikel, Bibliographie

Bhuvaneswari, M. S. ; Bramnik, N. N. ; Ensling, D. ; Ehrenberg, H. ; Jaegermann, W. (2008)
Synthesis and characterization of Carbon Nano Fiber/LiFePO4 composites for Li-ion batteries.
In: Journal of Power Sources, 180 (1)
doi: 10.1016/j.jpowsour.2008.01.090
Artikel, Bibliographie

Schmitt, Ljubomira A. ; Theissmann, Ralf ; Kling, Jens ; Kungl, Hans ; Hoffmann, Michael J. ; Fuess, Hartmut (2008)
In situ hot-stage transmission electron microscopy of Pb(Zr0.52Ti0.48)O3.
In: Phase Transitions, 81 (4)
doi: 10.1080/01411590701695778
Artikel, Bibliographie

Eichel, Rüdiger-A. ; Erhart, Paul ; Träskelin, Petra ; Albe, Karsten ; Kungl, Hans ; Hoffmann, Michael J. (2008)
Defect-Dipole Formation in Copper-Doped PbTiO3 Ferroelectrics.
In: Physical Review Letters, 100 (9)
doi: 10.1103/PhysRevLett.100.095504
Artikel, Bibliographie

Zhang, Shan-Tao ; Kounga, Alain Brice ; Aulbach, Emil ; Jo, Wook ; Granzow, Torsten ; Ehrenberg, Helmut ; Rödel, Jürgen (2008)
Lead-free piezoceramics with giant strain in the system Bi[sub 0.5]Na[sub 0.5]TiO[sub 3]–BaTiO[sub 3]–K[sub 0.5]Na[sub 0.5]NbO[sub 3]. II. Temperature dependent properties.
In: Journal of Applied Physics, 103 (3)
doi: 10.1063/1.2838476
Artikel, Bibliographie

Zhang, Shan-Tao ; Kounga, Alain Brice ; Aulbach, Emil ; Granzow, Torsten ; Jo, Wook ; Kleebe, Hans-Joachim ; Rödel, Jürgen (2008)
Lead-free piezoceramics with giant strain in the system Bi0.5Na0.5TiO3–BaTiO3–K0.5Na0.5NbO3. I. Structure and room temperature properties.
In: Journal of Applied Physics, 103 (3)
doi: 10.1063/1.2838472
Artikel, Bibliographie

Schwalm, Thorsten ; Rehahn, Matthias (2008)
Efficient Oxygen-Induced Molar-Mass Control of Poly(p-phenylene vinylenes) Synthesized via the Gilch Route.
In: Macromolecular Rapid Communications, 29 (3)
doi: 10.1002/marc.200700609
Artikel, Bibliographie

Langecker, Jens ; Rehahn, Matthias (2008)
Iridium-Functionalized Polyfluorenes: Advantages and Limitations of the Suzuki and Yamamoto Approaches.
In: Macromolecular Chemistry and Physics, 209 (3)
doi: 10.1002/macp.200700299
Artikel, Bibliographie

Schwalm, Thorsten ; Rehahn, Matthias (2008)
Gel Formation during the Gilch Synthesis of Poly(p-phenylene vinylenes): Evidence of an Unexpected Explanation.
In: Macromolecular Rapid Communications, 29 (1)
doi: 10.1002/marc.200700439
Artikel, Bibliographie

2007

Balke, Nina ; Kungl, Hans ; Granzow, Torsten ; Lupascu, Doru C. ; Hoffmann, Michael J. ; Rödel, Jürgen (2007)
Bipolar Fatigue Caused by Field Screening in Pb(Zr,Ti)O3Ceramics.
In: Journal of the American Ceramic Society, 90 (12)
doi: 10.1111/j.1551-2916.2007.02041.x
Artikel, Bibliographie

Schwalm, Thorsten ; Wiesecke, Jens ; Immel, Stefan ; Rehahn, Matthias (2007)
Toward Controlled Gilch Synthesis of Poly(p-phenylene vinylenes): Anionic vs Radical Chain Propagation, a Mechanistic Reinvestigation.
In: Macromolecules, 40 (25)
doi: 10.1021/ma071337p
Artikel, Bibliographie

Erdem, Emre ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; Van Tol, Hans ; Brunel, Louis Claude (2007)
Local symmetry-reduction in tetragonal (La,Fe)-codoped Pb[Zr0.4Ti0.6]O3 piezoelectric ceramics.
In: Physica Scripta, (T129)
doi: 10.1088/0031-8949/2007/T129/003
Artikel, Bibliographie

Kungl, Hans ; Hoffmann, Michael J. (2007)
Temperature dependence of poling strain and strain under high electric fields in LaSr-doped morphotropic PZT and its relation to changes in structural characteristics.
In: Acta Materialia, 55 (17)
doi: 10.1016/j.actamat.2007.06.035
Artikel, Bibliographie

Fett, Theo ; Kungl, Hans ; Hoffmann, Michael J. (2007)
Permittivity and loss tangent of unpoled LaSr-doped PZT under compressive loading.
In: Journal of Materials Science, 42 (20)
doi: 10.1007/s10853-007-1962-6
Artikel, Bibliographie

Schönau, Kristin ; Knapp, Michael ; Kungl, Hans ; Hoffmann, Michael J. ; Fuess, Hartmut (2007)
In situ synchrotron diffraction investigation of morphotropic Pb[Zr1−xTix]O3 under an applied electric field.
In: Physical Review B, 76 (14)
doi: 10.1103/PhysRevB.76.144112
Artikel, Bibliographie

Zhang, Shan-Tao ; Kounga, Alain Brice ; Aulbach, Emil ; Ehrenberg, Helmut ; Rödel, Jürgen (2007)
Giant strain in lead-free piezoceramics Bi[sub 0.5]Na[sub 0.5]TiO[sub 3]–BaTiO[sub 3]–K[sub 0.5]Na[sub 0.5]NbO[sub 3] system.
In: Applied Physics Letters, 91 (11)
doi: 10.1063/1.2783200
Artikel, Bibliographie

Puff, Werner ; Balke, Nina ; Kungl, Hans ; Hoffmann, Michael J. ; Balogh, Adam G. (2007)
Effect of Fe-doping and electrical load on the defect structure of Pb(ZrxTi1-x)O3ferroelectric ceramics.
In: physica status solidi (c), 4 (10)
doi: 10.1002/pssc.200675863
Artikel, Bibliographie

Rehahn, Matthias ; Langecker, Jens (2007)
POLY 320-Polyfluorene-based iridium complex polymers for organic light-emitting diodes.
In: ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 234
Artikel, Bibliographie

Theissmann, Ralf ; Schmitt, Ljubomira A. ; Kling, Jens ; Schierholz, Roland ; Schönau, Kristin A. ; Fuess, Hartmut ; Knapp, Michael ; Kungl, Hans ; Hoffmann, Michael J. (2007)
Nanodomains in morphotropic lead zirconate titanate ceramics: On the origin of the strong piezoelectric effect.
In: Journal of Applied Physics, 102 (2)
doi: 10.1063/1.2753569
Artikel, Bibliographie

Schönau, Kristin A. ; Schmitt, Ljubomira A. ; Knapp, Michael ; Fuess, Hartmut ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. (2007)
Nanodomain structure of Pb[Zr_{1−x}Ti_{x}]O_{3} at its morphotropic phase boundary: Investigations from local to average structure.
In: Physical Review B, 75 (18)
doi: 10.1103/PhysRevB.75.184117
Artikel, Bibliographie

Schwalm, Thorsten ; Rehahn, Matthias (2007)
Toward Controlled Gilch Synthesis of Poly(p-phenylenevinylenes): Synthesis and Thermally Induced Polymerization of α-Bromo-p-quinodimethanes.
In: Macromolecules, 40 (11)
doi: 10.1021/ma062649f
Artikel, Bibliographie

Kungl, Hans ; Theissmann, Ralf ; Knapp, Michael ; Baehtz, Carsten ; Fuess, Hartmut ; Wagner, Susanne ; Fett, Theo ; Hoffmann, Michael J. (2007)
Estimation of strain from piezoelectric effect and domain switching in morphotropic PZT by combined analysis of macroscopic strain measurements and synchrotron X-ray data.
In: Acta Materialia, 55 (6)
Artikel, Bibliographie

Zuo, Ruzhong ; Granzow, Torsten ; Lupascu, Doru C. ; Rödel, Jürgen (2007)
PMN-PT Ceramics Prepared By Spark Plasma Sintering.
In: Journal of the American Ceramic Society, 90 (4)
doi: 10.1111/j.1551-2916.2007.01533.x
Artikel, Bibliographie

Schmitt, Ljubomira A. ; Schönau, Kristin A. ; Theissmann, Ralf ; Fuess, Hartmut ; Kungl, Hans ; Hoffmann, Michael J. (2007)
Composition dependence of the domain configuration and size in Pb(Zr[sub 1−x]Ti[sub x])O[sub 3] ceramics.
In: Journal of Applied Physics, 101 (7)
doi: 10.1063/1.2715476
Artikel, Bibliographie

Gumann, Sina ; Nestle, Nikolaus ; Liebau-Kunzmann, Verena ; Riedel, Ralf (2007)
Investigations of Li-containing SiCN(O) ceramics via 7Li MAS NMR.
In: Solid State Nuclear Magnetic Resonance, 31 (2)
doi: 10.1016/j.ssnmr.2007.02.003
Artikel, Bibliographie

Laubach, Stefan ; Schmidt, Peter C. ; Thißen, Andreas ; Fernandez-Madrigal, Francisco Javier ; Wu, Qi-Hui ; Jaegermann, Wolfram ; Klemm, Matthias ; Horn, Siegfried (2007)
Theoretical and experimental determination of the electronic structure of V2O5, reduced V2O5-x and sodium intercalated NaV2O5.
In: Physical Chemistry Chemical Physics, 9 (20)
doi: 10.1039/b612489e
Artikel, Bibliographie

Kungl, Hans ; Fett, Theo ; Wagner, Susanne ; Hoffmann, Michael J. (2007)
Nonlinearity of strain and strain hysteresis in morphotropic LaSr-doped lead zirconate titanate under unipolar cycling with high electric fields.
In: Journal of Applied Physics, 101 (4)
doi: 10.1063/1.2434836
Artikel, Bibliographie

Wiesecke, Jens ; Rehahn, Matthias (2007)
The Effect of Persistent TEMPO Radicals on the Gilch Polymerization.
In: Macromolecular Rapid Communications, 28 (1)
doi: 10.1002/marc.200600655
Artikel, Bibliographie

Wiesecke, Jens ; Rehahn, Matthias (2007)
Direct Observation ofα-Chloro-p-quinodimethane as the Real Monomer in the Gilch Polymerization Leading to Poly(p-phenylene vinylene)s.
In: Macromolecular Rapid Communications, 28 (2)
doi: 10.1002/marc.200600649
Artikel, Bibliographie

Schwalm, Thorsten ; Wiesecke, Jens ; Rehahn, Matthias (2007)
Improved Poly(p-phenylene vinylenes) through Profound Mechanistic Understanding of their Synthesis via Gilch Reaction.
In: Electroactive Polymers: Materials & Devices, 2
Artikel, Bibliographie

2006

Granzow, Torsten ; Suvaci, Ender ; Kungl, Hans ; Hoffmann, Michael J. (2006)
Deaging of heat-treated iron-doped lead zirconate titanate ceramics.
In: Applied Physics Letters, 89 (26)
doi: 10.1063/1.2425035
Artikel, Bibliographie

Wu, Q.-H. ; Thissen, A. ; Jaegermann, W. ; Schüz, M. ; Schmidt, P. C. (2006)
Resonant photoemission spectroscopy study of electronic structure of V2O5.
In: Chemical Physics Letters, 430 (4-6)
doi: 10.1016/j.cplett.2006.08.071
Artikel, Bibliographie

Wu, Qi-Hui ; Thissen, Andreas ; Jaegermann, Wolfram (2006)
Photoemission spectroscopy and electronic structures of LiMn2O4.
In: Chinese Physics Letters, 23 (8)
doi: 10.1088/0256-307X/23/8/066
Artikel, Bibliographie

Granzow, Torsten ; Kounga Njiwa, Alain Brice ; Aulbach, Emil ; Rödel, Jürgen (2006)
Electromechanical poling of piezoelectrics.
In: Applied Physics Letters, 88 (25)
doi: 10.1063/1.2216028
Artikel, Bibliographie

Zuo, Ruzhong ; Rödel, Jürgen ; Chen, Renzheng ; Li, Longtu (2006)
Sintering and Electrical Properties of Lead-Free Na0.5K0.5NbO3 Piezoelectric Ceramics.
In: Journal of the American Ceramic Society, 89 (6)
doi: 10.1111/j.1551-2916.2006.00991.x
Artikel, Bibliographie

Meštrić, Hrvoje ; Eichel, Rüdiger-A. ; Dinse, Klaus-Peter ; Ozarowski, Andrew ; Van Tol, Johan ; Brunel, Louis ; Kungl, Hans ; Hoffmann, Michael ; Schönau, Kristin ; Knapp, Michael ; Fuess, Hartmut (2006)
Iron-oxygen vacancy defect association in polycrystalline iron-modified PbZrO3 antiferroelectrics: Multifrequency electron paramagnetic resonance and Newman superposition model analysis.
In: Physical Review B, 73 (18)
doi: 10.1103/PhysRevB.73.184105
Artikel, Bibliographie

Donsanti, F. ; Kostourou, K. ; Decker, F. ; Ibris, N. ; Salvi, A. M. ; Liberatore, M. ; Thissen, A. ; Jaegermann, W. ; Lincot, D. (2006)
Alkali ion intercalation in V2O5: Preparation and laboratory characterization of thin films produced by ALD.
In: Surface and Interface Analysis, 38 (4)
doi: 10.1002/sia.2237
Artikel, Bibliographie

Eichel, Rüdiger-A. ; Meštrić, Hrvoje ; Kungl, Hans ; Hoffmann, Michael J. (2006)
Multifrequency electron paramagnetic resonance analysis of polycrystalline gadolinium-doped PbTiO[sub 3]—Charge compensation and site of incorporation.
In: Applied Physics Letters, 88 (12)
doi: 10.1063/1.2185258
Artikel, Bibliographie

Kolb, Robert ; Fasel, Claudia ; Liebau-Kunzmann, Verena ; Riedel, Ralf (2006)
SiCN/C-ceramic composite as anode material for lithium ion batteries.
In: Journal of the European Ceramic Society, 26 (16)
doi: 10.1016/j.jeurceramsoc.2006.01.009
Artikel, Bibliographie

Liebau-Kunzmann, Verena ; Fasel, Claudia ; Kolb, Robert ; Riedel, Ralf (2006)
Lithium containing silazanes as precursors for SiCN:Li ceramics—A potential material for electrochemical applications.
In: Journal of the European Ceramic Society, 26 (16)
doi: 10.1016/j.jeurceramsoc.2005.11.008
Artikel, Bibliographie

2005

Eichel, Rüdiger-A. ; Meštrić, Hrvoje ; Dinse, Klaus-Peter ; Ozarowski, Andrew ; Van Tol, Johan ; Brunel, Louis Claude ; Kungl, Hans ; Hoffmann, Michael J. (2005)
High-field/high-frequency EPR of paramagnetic functional centers in Cu2+- and Fe3+-modified polycrystalline Pb[ZrxTi1−x]O3 ferroelectrics.
In: Magnetic Resonance in Chemistry, 43 (S1)
doi: 10.1002/mrc.1696
Artikel, Bibliographie

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2005)
XPS and UPS study of Na deposition on thin film V2O5.
In: Applied Surface Science, 252 (5)
doi: 10.1016/j.apsusc.2005.03.134
Artikel, Bibliographie

Ensling, D. ; Thißen, A. ; Gassenbauer, Y. ; Klein, Andreas ; Jaegermann, W. (2005)
In-Situ Preparation and Analysis of Functional Oxides.
In: Advanced Engineering Materials, 7 (10)
doi: 10.1002/adem.200500125
Artikel, Bibliographie

Alcántara, Ricardo ; Ortiz, Gregorio F. ; Lavela, Pedro ; Tirado, José L. ; Jaegermann, Wolfram ; Thißen, Andreas (2005)
Rotor blade grinding and re-annealing of LiCoO2: SEM, XPS, EIS and electrochemical study.
In: Journal of Electroanalytical Chemistry, 584 (2)
doi: 10.1016/j.jelechem.2005.07.011
Artikel, Bibliographie

Thißen, Andreas ; Ensling, David ; Fernández-Madrigal, Francisco Javier ; Jaegermann, Wolfram ; Alcántara, Ricardo ; Lavela, Pedro ; Tirado, José L. (2005)
Photoelectron Spectroscopic Study of the Reaction of Li and Na with NiCo2O4.
In: Chemistry of Materials, 17 (20)
doi: 10.1021/cm051138p
Artikel, Bibliographie

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2005)
Photoelectron spectroscopic study of Li oxides on Li over-deposited VO thin film surfaces.
In: Applied Surface Science, 250 (1-4)
doi: 10.1016/j.apsusc.2004.12.023
Artikel, Bibliographie

MacLaren, Ian ; Schmitt, Ljubomira A. ; Fuess, Hartmut ; Kungl, Hans ; Hoffmann, Michael J. (2005)
Experimental measurement of stress at a four-domain junction in lead zirconate titanate.
In: Journal of Applied Physics, 97 (9)
doi: 10.1063/1.1886910
Artikel, Bibliographie

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2005)
Photoelectron spectroscopic study of Li intercalation into V2O5 thin films.
In: Surface Science, 578 (1-3)
doi: 10.1016/j.susc.2005.01.042
Artikel, Bibliographie

Eichel, Rüdiger-A. ; Dinse, Klaus-Peter ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; Van Tol, Johan ; Brunel, Louis Claude (2005)
Exploring the morphotropic phase boundary in copper(II)-modified Pb[Zr0.54Ti0.46]O3 ferroelectrics.
In: Applied Physics A, 80 (1)
Artikel, Bibliographie

Hrsg.: Waser, Rainer ; Böttcher, Ulrich ; Tiedke, Stephan (2005)
Polar Oxides – Properties, Characterization and Imaging.
Buch, Bibliographie

2004

Gottschalk, Sebastian ; Hahn, Horst ; Balogh, Adam G. ; Puff, Werner ; Kungl, Hans ; Hoffmann, Michael J. (2004)
A positron lifetime study of lanthanum and niobium doped Pb(Zr[sub 0.6]Ti[sub 0.4])O[sub 3].
In: Journal of Applied Physics, 96 (12)
doi: 10.1063/1.1810198
Artikel, Bibliographie

Wu, Qi-Hui ; Thissen, Andreas ; Jaegermann, Wolfram ; Liu, Meilin (2004)
Photoelectron spectroscopy study of oxygen vacancy on vanadium oxides surface.
In: Applied Surface Science, 236 (1-4)
doi: 10.1016/j.apsusc.2004.05.112
Artikel, Bibliographie

Puff, Werner ; Kungl, Hans ; Hoffmann, Michael J. ; Gottschalk, Sebastian ; Balogh, Adam G. (2004)
Vacancy-like defects in doped Pb(Zr60Ti40)O-3 observed by positron lifetime and coincident Doppler spectroscopy.
In: POSITRON ANNIHILATION, ICPA-13, PROCEEDINGS, 445 (6)
Artikel, Bibliographie

Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. (2004)
Determination of functional center local environment in copper-modified Pb[Zr[sub 0.54]Ti[sub 0.46]]O[sub 3] ceramics.
In: Journal of Applied Physics, 95 (12)
doi: 10.1063/1.1728310
Artikel, Bibliographie

Wu, Qi-Hui ; Thißen, Andreas ; Jaegermann, Wolfram (2004)
Photoelectron spectroscopic study of Na intercalation into V2O5 thin films.
In: Solid State Ionics, 167 (1-2)
doi: 10.1016/j.ssi.2003.12.016
Artikel, Bibliographie

Hoffmann, Michael J. ; Kungl, Hans (2004)
High strain lead-based perovskite ferroelectrics.
In: Current Opinion in Solid State and Materials Science, 8 (1)
doi: 10.1016/j.cossms.2003.12.003
Artikel, Bibliographie

2003

Wiesecke, Jens ; Rehahn, Matthias (2003)
Paracyclophanes with defined substitution pattern - Key compounds for the mechanistic understanding of the Gilch reaction to poly(p-phenylene vinylene)s.
In: Angewandte Chemie International Edition, 42 (5)
doi: 10.1002/anie.200390163
Artikel, Bibliographie

Rehahn, Matthias (2003)
Elektrisch leitfähige Kunststoffe: Der Weg zu einer neuen Materialklasse.
In: Chemie in unserer Zeit, 37 (1)
doi: 10.1002/ciuz.200390000
Artikel, Bibliographie

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