2022

Lee, Ju-Hyeon ; Lee, Geon-Ju ; Hoang, An-Phuc ; Frömling, Till ; Pham, Thuy-Linh ; Lee, Jong-Sook ; Jo, Wook (2022)
Suppression of high-temperature dielectric loss by designed thermal annealing treatment in (Bi1/2Na1/2)TiO3 ceramics.
In: Journal of the European Ceramic Society, 42 (4)
doi: 10.1016/j.jeurceramsoc.2021.12.029
Artikel, Bibliographie

2018

Kounga, Alain Brice ; Zhang, S. ; Rödel, Jürgen ; Jo, Wook ; Granzow, Torsten (2018)
Keramischer Werkstoff, Verfahren zur Herstellung des keramischen Werkstoffs und Bauelement mit dem keramischen Werkstoff.
Norm, Patent, Standard, Bibliographie

2017

Groszewicz, Pedro B. ; Breitzke, H. ; Jo, Wook ; Rödel, Jürgen ; Buntkowsky, G. (2017)
Local structure of the B-site in BNT-xBT investigated by 47,49Ti NMR: Effect of barium content.
In: Journal of Applied Physics, 121 (11)
doi: 10.1063/1.4978017
Artikel, Bibliographie

Han, Hyoung-Su ; Koruza, Jurij ; Patterson, Eric A. ; Schultheiß, Jan ; Erdem, Emre ; Jo, Wook ; Lee, Jae-Shin ; Rödel, Jürgen (2017)
Hardening behavior and highly enhanced mechanical quality factor in(K0.5Na0.5)NbO3–based ceramics.
In: Journal of the European Ceramic Society, 37 (5)
doi: 10.1016/j.jeurceramsoc.2017.01.013
Artikel, Bibliographie

2016

Groszewicz, Pedro B. ; Gröting, Melanie ; Breitzke, Hergen ; Jo, Wook ; Albe, Karsten ; Buntkowsky, Gerd ; Rödel, Jürgen (2016)
Reconciling Local Structure Disorder and the Relaxor State in (Bi1/2Na1/2)TiO3-BaTiO3.
In: Scientific Reports, 6 (1)
doi: 10.1038/srep31739
Artikel, Bibliographie

Cheon, Chae II ; Choi, Jin Hong ; Kim, Jeong Seog ; Zang, Jiadong ; Frömling, Till ; Rödel, Jürgen ; Jo, Wook (2016)
Role of (Bi1/2K1/2)TiO3 in the dielectric relaxations of BiFeO3-(Bi1/2K1/2)TiO3 ceramics.
In: Journal of Applied Physics, 119 (15)
doi: 10.1063/1.4946844
Artikel, Bibliographie

2015

Wang, Ruiping ; Wang, Ke ; Yao, Fangzhou ; Li, Jing-Feng ; Schader, Florian H. ; Webber, Kyle G. ; Jo, Wook ; Rödel, Jürgen (2015)
Temperature Stability of Lead-Free Niobate Piezoceramics with Engineered Morphotropic Phase Boundary.
In: Journal of the American Ceramic Society, 98 (7)
doi: 10.1111/jace.13604
Artikel, Bibliographie

Zakhozheva, M. ; Schmitt, Ljubomira A. ; Acosta, Matias ; Guo, H. ; Jo, Wook ; Schierholz, Roland ; Kleebe, Hans-Joachim ; Tan, Xiaoli (2015)
Wide Compositional RangeIn SituElectric Field Investigations on Lead-FreeBa(Zr0.2Ti0.8)O3−x(Ba0.7Ca0.3)TiO3Piezoceramic.
In: Physical Review Applied, 3 (6)
doi: 10.1103/PhysRevApplied.3.064018
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

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

Acosta, Matias ; Khakpash, Nasser ; Someya, Takumi ; Novak, Nikola ; Jo, Wook ; Nagata, Hajime ; Rossetti, George A. ; Rödel, Jürgen (2015)
Origin of the large piezoelectric activity in (1 − x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 ceramics.
In: Physical Review B, 91 (10)
doi: 10.1103/PhysRevB.91.104108
Artikel, Bibliographie

Zhang, Haibo ; Groh, Claudia ; Zhang, Qi ; Jo, Wook ; Webber, Kyle G. ; Rödel, Jürgen (2015)
Large Strain in Relaxor/Ferroelectric Composite Lead-Free Piezoceramics.
In: Advanced Electronic Materials
doi: 10.1002/aelm.201500018
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

Humburg, Heide ; Acosta, Matias ; Jo, Wook ; Webber, Kyle G. ; Rödel, Jürgen (2014)
Stress-dependent electromechanical properties of doped (Ba1−xCax)(ZryTi1−y)O3.
In: Journal of the European Ceramic Society, 35
doi: 10.1016/j.jeurceramsoc.2014.10.016
Artikel, Bibliographie

Acosta, Matias ; Novak, Nikola ; Jo, Wook ; Rödel, Jürgen (2014)
Relationship between electromechanical properties and phase diagram in the Ba(Zr0.2Ti0.8)O3–x(Ba0.7Ca0.3)TiO3 lead-free piezoceramic.
In: Acta Materialia, 80
doi: 10.1016/j.actamat.2014.07.058
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

Zang, Jiadong ; Li, Ming ; Sinclair, Derek C. ; Frömling, Till ; Jo, Wook ; Rödel, Jürgen ; Johnson, D. (2014)
Impedance Spectroscopy of (Bi1/2Na1/2)TiO3-BaTiO3Based High-Temperature Dielectrics.
In: Journal of the American Ceramic Society, 97 (9)
doi: 10.1111/jace.13012
Artikel, Bibliographie

Gobeljic, Danka ; Shvartsman, Vladimir V. ; Wang, Ke ; Yao, Fangzhou ; Li, Jing-Feng ; Jo, Wook ; Rödel, Jürgen ; Lupascu, Doru C. (2014)
Temperature dependence of the local piezoresponse in (K,Na)NbO3-based ceramics with large electromechanical strain.
In: Journal of Applied Physics, 116 (6)
doi: 10.1063/1.4891398
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

Schneider, Deborah ; Jo, Wook ; Rödel, Jürgen ; Rytz, Daniel ; Granzow, Torsten (2014)
Anisotropy of ferroelectric behavior of (1 − x)Bi1/2Na1/2TiO3–xBaTiO3 single crystals across the morphotropic phase boundary.
In: Journal of Applied Physics, 116 (4)
doi: 10.1063/1.4891529
Artikel, Bibliographie

Yao, Fang-Zhou ; Patterson, Eric A. ; Wang, Ke ; Jo, Wook ; Rödel, Jürgen ; Li, Jing-Feng (2014)
Enhanced bipolar fatigue resistance in CaZrO3-modified (K,Na)NbO3 lead-free piezoceramics.
In: Applied Physics Letters, 104 (24)
doi: 10.1063/1.4884826
Artikel, Bibliographie

Groh, Claudia ; Jo, Wook ; Rödel, Jürgen (2014)
Frequency and temperature dependence of actuating performance of Bi1/2Na1/2TiO3-BaTiO3 based relaxor/ferroelectric composites.
In: Journal of Applied Physics, 115 (23)
doi: 10.1063/1.4876680
Artikel, Bibliographie

Acosta, Matias ; Jo, Wook ; Rödel, Jürgen ; Lupascu, Doru C. (2014)
Temperature- and Frequency-Dependent Properties of the 0.75Bi1/2Na1/2TiO3-0.25SrTiO3Lead-Free Incipient Piezoceramic.
In: Journal of the American Ceramic Society, 97 (6)
doi: 10.1111/jace.12884
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

Zang, Jiadong ; Li, Ming ; Sinclair, Derek C. ; Jo, Wook ; Rödel, Jürgen ; Zhang, S. (2014)
Impedance Spectroscopy of (Bi1/2Na1/2)TiO3-BaTiO3Ceramics Modified with (K0.5Na0.5)NbO3.
In: Journal of the American Ceramic Society, 97 (5)
doi: 10.1111/jace.12804
Artikel, Bibliographie

Groh, Claudia ; Jo, Wook ; Rödel, Jürgen (2014)
Tailoring Strain Properties of (0.94−x)Bi1/2Na1/2TiO3-0.06BaTiO3-xK0.5Na0.5NbO3Ferroelectric/Relaxor Composites.
In: Journal of the American Ceramic Society, 97 (5)
doi: 10.1111/jace.12783
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

Zhang, Hailong ; Jo, Wook ; Wang, Ke ; Webber, Kyle G. (2014)
Compositional dependence of dielectric and ferroelectric properties in BiFeO3–BaTiO3 solid solutions.
In: Ceramics International, 40 (3)
doi: 10.1016/j.ceramint.2013.09.020
Artikel, Bibliographie

Woodward, David I. ; Dittmer, Robert ; Jo, Wook ; Walker, David ; Keeble, Dean S. ; Dale, Matthew W. ; Rödel, Jürgen ; Thomas, Pam A. (2014)
Investigation of the depolarisation transition in Bi-based relaxor ferroelectrics.
In: Journal of Applied Physics, 115 (11)
doi: 10.1063/1.4869132
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

Groh, Claudia ; Franzbach, Daniel ; Jo, Wook ; Webber, Kyle G. ; Kling, Jens ; Schmitt, Ljubomira A. ; Kleebe, Hans-Joachim ; Jeong, Soon-Jong ; Lee, Jae-Shin ; Rödel, Jürgen (2014)
Relaxor/Ferroelectric Composites: A Solution in the Quest for Practically Viable Lead-Free Incipient Piezoceramics.
In: Advanced Functional Materials, 24 (3)
doi: 10.1002/adfm.201302102
Artikel, Bibliographie

Zang, Jiadong ; Jo, Wook ; Zhang, Haibo ; Rödel, Jürgen (2014)
Bi1/2Na1/2TiO3–BaTiO3 based thick-film capacitors for high-temperature applications.
In: Journal of the European Ceramic Society, 34 (1)
doi: 10.1016/j.jeurceramsoc.2013.07.020
Artikel, Bibliographie

2013

Yao, Fang-Zhou ; Glaum, Julia ; Wang, Ke ; Jo, Wook ; Rödel, Jürgen ; Li, Jing-Feng (2013)
Fatigue-free unipolar strain behavior in CaZrO3 and MnO2 co-modified (K,Na)NbO3-based lead-free piezoceramics.
In: Applied Physics Letters, 103 (19)
doi: 10.1063/1.4829150
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

Tran, Vu Diem Ngoc ; Dinh, Thi Hinh ; Han, Hyoung-Su ; Jo, Wook ; Lee, Jae-Shin (2013)
Lead-free Bi1/2(Na0.82K0.18)1/2TiO3 relaxor ferroelectrics with temperature insensitive electrostrictive coefficient.
In: Ceramics International, 39 (Supplement 1)
doi: 10.1016/j.ceramint.2012.10.046
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

Levin, I. ; Reaney, I. M. ; Anton, Eva-Maria ; Jo, Wook ; Rödel, Jürgen ; Pokorny, J. ; Schmitt, L. A. ; Kleebe, Hans-Joachim ; Hinterstein, Manuel ; Jones, J. L. (2013)
Local structure, pseudosymmetry, and phase transitions in Na1/2Bi1/2TiO3–K1/2Bi1/2TiO3 ceramics.
In: Physical Review B, 87 (2)
doi: 10.1103/PhysRevB.87.024113
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

2012

Acosta, Matias ; Zang, Jiadong ; Jo, Wook ; Rödel, Jürgen (2012)
High-temperature dielectrics in CaZrO3-modified Bi1/2Na1/2TiO3-based lead-free ceramics.
In: Journal of the European Ceramic Society, 32 (16)
doi: 10.1016/j.jeurceramsoc.2012.06.011
Artikel, Bibliographie

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

Anton, Eva-Maria ; Schmitt, Ljubomira Ana ; Hinterstein, Manuel ; Trodahl, Joe ; Kowalski, Ben ; Jo, Wook ; Kleebe, Hans-Joachim ; Rödel, Jürgen ; Jones, Jacob L. (2012)
Structure and temperature-dependent phase transitions of lead-free Bi1/2Na1/2TiO3–Bi1/2K1/2TiO3–K0.5Na0.5NbO3 piezoceramics.
In: Journal of Materials Research, 27 (19)
doi: 10.1557/jmr.2012.195
Artikel, Bibliographie

Han, Hyoung-Su ; Jo, Wook ; Rödel, Jürgen ; Hong, In-Ki ; Tai, Weon-Pil ; Lee, Jae-Shin (2012)
Coexistence of ergodicity and nonergodicity in LaFeO3-modified Bi1/2(Na0.78K0.22)1/2TiO3relaxors.
In: Journal of Physics: Condensed Matter, 24 (36)
doi: 10.1088/0953-8984/24/36/365901
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

Wang, Ke ; Hussain, Ali ; Jo, Wook ; Rödel, Jürgen (2012)
Temperature-Dependent Properties of (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-SrTiO3 Lead-Free Piezoceramics.
In: Journal of the American Ceramic Society, 95 (7)
doi: 10.1111/j.1551-2916.2012.05162.x
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

Kwon, O-Jong ; Jo, Wook ; Yoon, Sejin ; Shin, Dongmin ; You, Hyunwoo ; Choi, Kyeongdal ; Kim, Jin-Sang ; Park, Chan (2012)
Relation between Seebeck Coefficient and Lattice Parameters of (Ca2−y Sr y CoO3) x CoO2.
In: Journal of Electronic Materials, 41 (6)
doi: 10.1007/s11664-012-1983-z
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

Sebastian, Tutu ; Sterianou, Iasmi ; Reaney, Ian M. ; Leist, Thorsten ; Jo, Wook ; Rödel, Jürgen (2012)
Piezoelectric activity of (1-x)[0.35Bi(Mg1/2Ti1/2)O3-0.3BiFeO3-0.35BiScO3] - xPbTiO3 ceramics as a function of temperature.
In: Journal of Electroceramics, 28 (2-3)
doi: 10.1007/s10832-012-9685-8
Artikel, Bibliographie

Daniels, John E. ; Jo, Wook ; Donner, Wolfgang (2012)
High-Energy Synchrotron X-Ray Diffraction for In Situ Diffuse Scattering Studies of Bulk Single Crystals.
In: JOM, 64 (1)
doi: 10.1007/s11837-011-0230-z
Artikel, Bibliographie

Leist, Thorsten ; Chen, Jun ; Jo, Wook ; Aulbach, Emil ; Suffner, Jens ; Rödel, Jürgen ; Zhang, S. (2012)
Temperature Dependence of the Piezoelectric Coefficient in BiMeO3-PbTiO3 (Me = Fe, Sc, (Mg1/2Ti1/2)) Ceramics.
In: Journal of the American Ceramic Society, 95 (2)
doi: 10.1111/j.1551-2916.2011.04848.x
Artikel, Bibliographie

Sapper, Eva ; Schaab, Silke ; Jo, Wook ; Granzow, Torsten ; Rödel, Jürgen (2012)
Influence of electric fields on the depolarization temperature of Mn-doped (1-x)Bi1/2Na1/2TiO3-xBaTiO3.
In: Journal of Applied Physics, 111 (1)
doi: 10.1063/1.3674275
Artikel, Bibliographie

2011

Anton, Eva-Maria ; Jo, Wook ; Damjanovic, Dragan ; Rödel, Jürgen (2011)
Determination of depolarization temperature of (Bi1/2Na1/2)TiO3-based lead-free piezoceramics.
In: Journal of Applied Physics, 110 (9)
doi: 10.1063/1.3660253
Artikel, Bibliographie

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

Webber, Kyle G. ; Seo, Yo-Han ; Lee, Ho-Yong ; Aulbach, Emil ; Jo, Wook ; Rödel, Jürgen (2011)
R-Curve Behavior of Pb(Mg1/3Nb2/3)O3-29 mol% PbTiO3 Single Crystals: The Effect of Crystallographic Orientation and Grain Structure.
In: Journal of the American Ceramic Society, 94 (9)
doi: 10.1111/j.1551-2916.2011.04677.x
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

Chung, Yung-Bin ; Park, Hyung-Ki ; Lee, Dong-Kwon ; Jo, Wook ; Song, Jean-Ho ; Lee, Sang-Hoon ; Hwang, Nong-Moon (2011)
Low temperature deposition of crystalline silicon on glass by hot wire chemical vapor deposition.
In: Journal of Crystal Growth, 327 (1)
doi: 10.1016/j.jcrysgro.2011.05.004
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

Anton, Eva-Maria ; Jo, Wook ; Trodahl, Joe ; Damjanovic, Dragan ; Rödel, Jürgen (2011)
Effect of K0.5Na0.5NbO3on Properties at and off the Morphotropic Phase Boundary in Bi0.5Na0.5TiO3–Bi0.5K0.5TiO3Ceramics.
In: Japanese Journal of Applied Physics, 50 (5)
doi: 10.1143/JJAP.50.055802
Artikel, Bibliographie

Kwon, O-Jong ; Jo, Wook ; Ko, Kyeong-Eun ; Kim, Jae-Yeol ; Bae, Sung-Hwan ; Koo, Hyun ; Jeong, Seong-Min ; Kim, Jin-Sang ; Park, Chan (2011)
Thermoelectric properties and texture evaluation of Ca3Co4O9 prepared by a cost-effective multisheet cofiring technique.
In: Journal of Materials Science, 46 (9)
doi: 10.1007/s10853-010-5163-3
Artikel, Bibliographie

Frederick, Joshua ; Tan, Xiaoli ; Jo, Wook (2011)
Strains and Polarization During Antiferroelectric-Ferroelectric Phase Switching in Pb0.99Nb0.02[(Zr0.57Sn0.43)1−yTiy]0.98O3 Ceramics.
In: Journal of the American Ceramic Society, 94 (4)
doi: 10.1111/j.1551-2916.2010.04194.x
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

Leist, Thorsten ; Webber, Kyle G. ; Jo, Wook ; Granzow, Torsten ; Aulbach, Emil ; Suffner, Jens ; Rödel, Jürgen (2011)
Domain switching energies: Mechanical versus electrical loading in La-doped bismuth ferrite–lead titanate.
In: Journal of Applied Physics, 109 (5)
doi: 10.1063/1.3555599
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

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

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

Jo, Wook ; Daniels, John E. ; Jones, Jacob L. ; Tan, Xiaoli ; Thomas, Pamela A. ; Damjanovic, Dragan ; Rödel, Jürgen (2011)
Evolving morphotropic phase boundary in lead-free (Bi[sub 1/2]Na[sub 1/2])TiO[sub 3]–BaTiO[sub 3] piezoceramics.
In: Journal of Applied Physics, 109 (1)
doi: 10.1063/1.3530737
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

2010

Tan, Xiaoli ; Frederick, Joshua ; Ma, C. ; Jo, Wook ; Rödel, Jürgen (2010)
Can an Electric Field Induce an Antiferroelectric Phase Out of a Ferroelectric Phase?
In: Physical Review Letters, 105 (25)
doi: 10.1103/PhysRevLett.105.255702
Artikel, Bibliographie

Hinterstein, Manuel ; Knapp, Michael ; Hölzel, Markus ; Jo, Wook ; Cervellino, Antonio ; Ehrenberg, Helmut ; Fuess, Hartmut (2010)
Field-induced phase transition in Bi1/2Na1/2TiO3-based lead-free piezoelectric ceramics.
In: Journal of Applied Crystallography, 43 (6)
doi: 10.1107/S0021889810038264
Artikel, Bibliographie

Leist, Thorsten ; Webber, Kyle G. ; Jo, Wook ; Aulbach, Emil ; Rödel, Jürgen ; Prewitt, Anderson D. ; Jones, Jacob L. ; Schmidlin, Josh ; Hubbard, Camden R. (2010)
Stress-induced structural changes in La-doped BiFeO3–PbTiO3 high-temperature piezoceramics.
In: Acta Materialia, 58 (18)
doi: 10.1016/j.actamat.2010.07.012
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

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

Leist, Thorsten ; Granzow, Torsten ; Jo, Wook ; Rödel, Jürgen (2010)
Effect of tetragonal distortion on ferroelectric domain switching: A case study on La-doped BiFeO[sub 3]–PbTiO[sub 3] ceramics.
In: Journal of Applied Physics, 108 (1)
doi: 10.1063/1.3445771
Artikel, Bibliographie

Webber, Kyle G. ; Zhang, Y. ; Jo, Wook ; Daniels, John E. ; Rödel, Jürgen (2010)
High temperature stress-induced “double loop-like” phase transitions in Bi-based perovskites.
In: Journal of Applied Physics, 108 (1)
doi: 10.1063/1.3428373
Artikel, Bibliographie

Chen, Jun ; Wang, Xiaowei ; Jo, Wook ; Rödel, Jürgen (2010)
Microstructure and Electrical Properties of (1−x)Bi(Li1/3Zr2/3)O3-xPbTiO3Piezoelectric Ceramics.
In: Journal of the American Ceramic Society, 93 (6)
doi: 10.1111/j.1551-2916.2010.03625.x
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

Tan, Xiaoli ; Frederick, Joshua ; Ma, C. ; Aulbach, Emil ; Marsilius, Mie ; Hong, W. ; Granzow, Torsten ; Jo, Wook ; Rödel, Jürgen (2010)
Electric-field-induced antiferroelectric to ferroelectric phase transition in mechanically confined Pb_{0.99}Nb_{0.02}[(Zr_{0.57}Sn_{0.43})_{0.94}Ti_{0.06}]_{0.98}O_{3}.
In: Physical Review B, 81 (1)
doi: 10.1103/PhysRevB.81.014103
Artikel, Bibliographie

2009

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

Leist, Thorsten ; Jo, Wook ; Comyn, Timothy ; Bell, Andrew ; Rödel, Jürgen (2009)
Shift in Morphotropic Phase Boundary in La-Doped BiFeO3–PbTiO3Piezoceramics.
In: Japanese Journal of Applied Physics, 48 (12)
doi: 10.1143/JJAP.48.120205
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

Chen, Jun ; Tan, Xiaoli ; Jo, Wook ; Rödel, Jürgen (2009)
Temperature dependence of piezoelectric properties of high-T[sub C] Bi(Mg[sub 1/2]Ti[sub 1/2])O[sub 3]–PbTiO[sub 3].
In: Journal of Applied Physics, 106 (3)
doi: 10.1063/1.3191666
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

Dul'kin, E. ; Mojaev, E. ; Roth, M. ; Jo, Wook ; Granzow, Torsten (2009)
Acoustic emission study of domain wall motion and phase transition in (1−x−y)Bi0.5Na0.5TiO3–xBaTiO3–yK0.5Na0.5NbO3 lead-free piezoceramics.
In: Scripta Materialia, 60 (4)
doi: 10.1016/j.scriptamat.2008.10.014
Artikel, Bibliographie

Tan, Xiaoli ; Jo, Wook ; Granzow, Torsten ; Frederick, Joshua ; Aulbach, Emil ; Rödel, Jürgen (2009)
Auxetic behavior under electrical loads in an induced ferroelectric phase.
In: Applied Physics Letters, 94 (4)
doi: 10.1063/1.3076109
Artikel, Bibliographie

2008

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

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

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