Zhang, Mao-Hua ; Zhao, Changhao ; Fulanovic, Lovro ; Rödel, Jürgen ; Novak, Nikola ; Schökel, Alexander ; Koruza, Jurij (2021):
Revealing the mechanism of electric-field-induced phase transition in antiferroelectric NaNbO3 by in situ high-energy x-ray diffraction.
In: Applied Physics Letters, 118 (13), p. 132903. American Institute of Physics Publishing, ISSN 0003-6951,
DOI: 10.1063/5.0043050,
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Novak, Nikola ; Weyland, Florian ; Rossetti, George A. jr. (2021):
Electrocaloric properties and caloric figure of merit in the ferroelectric solid solution BaZrO3–BaTiO3 (BZT).
In: Journal of the European Ceramic Society, 41 (2), pp. 1280-1287. Elsevier Science Publishing, ISSN 09552219,
DOI: 10.1016/j.jeurceramsoc.2020.10.017,
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Keil, Peter ; Frömling, Till ; Klein, Andreas ; Rödel, Jürgen ; Novak, Nikola (2021):
Piezotronic effect at Schottky barrier of a metal-ZnO single crystal interface. (Publisher's Version)
In: Journal of Applied Physics, 121 (15), ISSN 0021-8979, e-ISSN 1089-7550,
DOI: 10.26083/tuprints-00019952,
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Cheng, Xiangyang ; Weyland, Florian ; Novak, Nikola ; Li, Yingwei (2019):
Indirect Electrocaloric Evaluation: Influence of Polarization Hysteresis Measurement Frequency.
In: physica status solidi (a), 2019 (1900684), pp. 1-8. WILEY-VCH Verlag GmbH & Co. KGaA, ISSN 18626300,
DOI: 10.1002/pssa.201900684,
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Du, Hongliang ; Chang, Yunfei ; Li, Chunwang ; Hu, Qingyuan ; Pang, Jing ; Sun, Yuan ; Weyland, Florian ; Novak, Nikola ; Jin, Li (2019):
Ultrahigh room temperature electrocaloric response in lead-free bulk ceramics via tape casting.
In: Journal of Materials Chemistry C, 7 (23), pp. 6860-6866. RSC Publishing, ISSN 2050-7526,
DOI: 10.1039/c9tc01407a,
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Yu, Ying ; Gao, Feng ; Weyland, Florian ; Du, Hongliang ; Jin, Li ; Hou, Lei ; Yang, Zetian ; Novak, Nikola ; Qu, Shaobo (2019):
Significantly enhanced room temperature electrocaloric response with superior thermal stability in sodium niobate-based bulk ceramics.
In: Journal of Materials Chemistry A, 7 (19), pp. 11543-12360. RSC Publishing, ISSN 2050-7488,
DOI: 10.1039/c9ta00713j,
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Weyland, Florian ; Hayati, Raziye ; Novak, Nikola (2019):
Tuning of electrocaloric performance in (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 by induced relaxor-like behavior.
In: Ceramics international, 2019 (45), pp. 11408-11412. Elsevier SCI LTD, Oxford, England, ISSN 0272-8842,
DOI: 10.1016/j.ceramint.2019.03.006,
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Keil, Peter ; Gehringer, Maximilian ; Frömling, Till ; Novak, Nikola ; Rödel, Jürgen (2019):
ZnO‐based single crystal‐polycrystal structures for piezotronicapplications.
In: Journal of the American Ceramic Society, 2019 (102), pp. 2640-2647. ISSN 00027820,
DOI: 10.1111/jace.16120,
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Novak, Nikola ; Keil, Peter ; Frömling, Till ; Schader, Florian H. ; Martin, Alexander ; Webber, Kyle G. ; Rödel, Jürgen (2019):
Influence of metal/semiconductor interface on attainable piezoelectric and energy harvesting properties of ZnO.
In: Acta Materialia, 162 (2019), pp. 277-283. Elsevier, ISSN 13596454,
DOI: 10.1016/j.actamat.2018.10.008,
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Pu, Yongping ; Lei, Zhang ; Keil, Peter ; Novak, Nikola ; Frömling, Till (2018):
Impact of mechanical stress on barium titanate-based positive temperature coefficient resistive material.
In: Journal of Materials Science, 2018 (53), pp. 16243-16251. ISSN 0022-2461,
DOI: 10.1007/s10853-018-2802-6,
[Article]

Weyland, Florian ; Perez-Moyet, Richard ; Rossetti, George A. jr. ; Novak, Nikola (2018):
Material Measures of Electrocaloric Cooling Power in Perovskite Ferroelectrics.
In: Energy Technology, 2018 (6), pp. 1512-1518. WILEY-VCH Verlag, ISSN 2194-4296,
DOI: 10.1002/ente.v6.8,
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Weyland, Florian ; Zhang, Haibo ; Novak, Nikola (2018):
Enhancement of Energy Storage Performance by Criticality in Lead-Free Relaxor Ferroelectrics.
In: Physica Status Solidi Rapid Research Letter, 12 (7), WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, DOI: 10.1002/pssr.201800165,
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Weyland, Florian ; Bradesko, Andraz ; Ma, Yang-Bin ; Koruza, Jurij ; Xu, Bai-Xiang ; Albe, Karsten ; Rojac, Tadej ; Novak, Nikola (2018):
Impact of polarization dynamics and charged defects on electrocaloric response of ferroelectric Pb(Zr,Ti)O3 ceramics.
In: Energy Technology, 6 (8), pp. 1519-1525. WILEY-VCH Verlag, Weinhem, Germany, ISSN 2194-4296,
DOI: 10.1002/ente.201800140,
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Pramanick, A. ; Dmowski, W. ; Egami, T. ; Budisuharto, A. Setadi ; Weyland, Florian ; Novak, Nikola ; Christanson, A. D. ; Borreguero, J. M. ; Abernathy, D. L. ; Jørgensen, M. R. V. (2018):
Stabilization of Polar Nanoregions in Pb-free Ferroelectrics.
In: Physical Review Letters, 120 (207603), pp. 1-7. American Physical Society, ISSN 0031-9007,
DOI: 10.1103/PhysRevLett.120.207603,
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Patel, Satyanarayan ; Chauhan, Aditya ; Rojas, Virginia ; Novak, Nikola ; Weyland, Florian ; Rödel, Jürgen ; Vaish, Rahul (2018):
Thermomechanical Energy Conversion Potential of Lead-Free 0.50Ba(Zr0.2Ti0.8 )O3–0.50(Ba0.7Ca0.3)TiO3 Bulk Ceramics.
In: Energy Technology, 2018 (6), pp. 865-871. WILEY-VCH Verlag, ISSN 2194-4296,
DOI: 10.1002/ente.201700416,
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Patel, Satyanarayan ; Weyland, Florian ; Tan, Xiaoli ; Novak, Nikola (2018):
Tunable Pyroelectricity around the Ferroelectric/ Antiferroelectric Transition.
In: Energy Technology, 2018 (6), pp. 872-880. WILEY-VCH Verlag, ISSN 2194-4296,
DOI: 10.1002/ente.201700411,
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Weyland, Florian ; Acosta, Matias ; Vögler, Malte ; Ehara, Yoshitaka ; Rödel, Jürgen ; Novak, Nikola (2018):
Electric field–temperature phase diagram of sodium bismuth titanate-based relaxor ferroelectrics.
In: Journal of Materials Science, 53, pp. 9353-9400. Springer, ISSN 0022-2461,
DOI: 10.1007/s10853-018-2232-5,
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Novak, Nikola ; Weyland, Florian ; Patel, Satyanarayan ; Guo, Hanzheng ; Tan, Xiaoli ; Rödel, Jürgen ; Koruza, Jurij (2018):
Interplay of conventional with inverse electrocaloric response in (Pb,Nb)(Zr,Sn,Ti)O3 antiferroelectric materials.
In: Physical Review B, 97 (094113), pp. 1-6. American Physical Society, ISSN 1098-0121,
DOI: 10.1103/PhysRevB.97.094113,
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Keil, Peter ; Trapp, Maximilian ; Novak, Nikola ; Frömling, Till ; Kleebe, Hans-Joachim ; Rödel, Jürgen (2018):
Piezotronic Tuning of Potential Barriers in ZnO Bicrystals.
In: Advanced Materials, 30 (10), p. 1705573. Wiley-VCH Verlag GmbH & Co. KGaA, ISSN 0935-9648,
DOI: 10.1002/adma.201705573,
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Weyland, Florian ; Eisele, Thorsten ; Steiner, Sebastian ; Frömling, Till ; Rossetti, George A. jr. ; Rödel, Jürgen ; Novak, Nikola (2018):
Long term stability of electrocaloric response in barium zirconate titanate.
In: Journal of the European Ceramic Society, 38, pp. 551-556. Elsevier Science Ltd, England, ISSN 09552219,
DOI: 10.1016/j.jeurceramsoc.2017.09.018,
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Acosta, Matias ; Novak, Nikola ; Rojas, Virginia ; Patel, Satyanarayan ; Vaish, Rahul ; Koruza, Jurij ; Rossetti, George A. jr. ; Rödel, Jürgen (2017):
BaTiO3-based piezoelectrics: Fundamentals, current status, and perspectives.
In: APPLIED PHYSICS REVIEWS, 4 (041305), pp. 1-53. DOI: 10.1063/1.4990046,
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Chauhan, Aditya ; Patel, Satyanarayan ; Wang, Shuai ; Novak, Nikola ; Xu, Bai-Xiang ; Lv, Peng ; Vaish, Rahul ; Lynch, Christopher S. (2017):
Enhanced performance of ferroelectric materials under hydrostatic pressure.
In: Journal of Applied Physics, 122 (22), pp. 1-8. ISSN 00218979,
DOI: 10.1063/1.5003775,
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Denkhaus, Sarah Marie ; Vögler, Malte ; Novak, Nikola ; Rödel, Jürgen (2017):
Short crack fracture toughness in (1-x)(Na1/2Bi1/2) TiO3–xBaTiO3 relaxor ferroelectrics.
In: Journal of the American Ceramic Society, 100 (10), pp. 4760-4769. The American Ceramic Society, ISSN 00027820,
DOI: 10.1111/jace.15008,
[Article]

Fulanovic, Lovro ; Koruza, Jurij ; Novak, Nikola ; Weyland, Florian ; Malič, Barbara ; Bobnar, Vid (2017):
Fatigue-less electrocaloric effect in relaxor Pb(Mg1/3Nb2/3)O3 multilayer elements.
In: Journal of the European Ceramic Society, 37, pp. 5105-5108. Elsevier Science Ltd., ISSN 09552219,
DOI: https://doi.org/10.1016,
[Article]

Hagiwara, M. ; Ehara, Yoshitaka ; Novak, Nikola ; Khansur, Neamul H. ; Ayrikyan, Azatuhi ; Webber, Kyle G. ; Fujihara, Shinobu (2017):
Relaxor-ferroelectric crossover in (Bi1/2K1/2)TiO3: Origin of the spontaneous phase transition and the effect of an applied external field.
In: Physical Review B, 96 (014103), pp. 1-9. American Physical Society, ISSN 1098-0121,
DOI: 10.1103/PhysRevB.96.014103,
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Molin, Christian ; Peräntie, Jani ; Weyland, Florian ; Sanlialp, Mehmet ; Stingelin, Natalie ; Novak, Nikola ; Lupascu, Doru C. ; Gebhardt, Sylvia (2017):
Comparison of direct electrocaloric characterization methods exemplified by 0.92 Pb(Mg1/3Nb2/3)O3-0.08 PbTiO3 multilayer ceramics.
In: Journal of the American Ceramic Society, 100 (7), pp. 2885-2892. ISSN 0002-7820,
DOI: 10.1111/jace.14805,
[Article]

Keil, Peter ; Frömling, Till ; Klein, Andreas ; Rödel, Jürgen ; Novak, Nikola (2017):
Piezotronic effect at Schottky barrier of a metal-ZnO single crystal interface.
In: Journal of Applied Physics, 121, p. 155701. AIP Publishing, ISSN 00218979,
[Article]

Keil, Peter ; Baraki, Raschid ; Novak, Nikola ; Rödel, Jürgen ; Frömling, Till (2017):
Gauge factors for piezotronic stress sensor in polycrystalline ZnO.
In: Journal of Physics D: Applied Physics, 50 (17), p. 175106. IOP Publishing, ISSN 0022-3727,
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Vögler, Malte ; Novak, Nikola ; Schader, Florian H. ; Rödel, Jürgen (2017):
Temperature-dependent volume fraction of polar nanoregions in lead-free (1 − x)(Bi0.5Na0.5)TiO3-xBaTiO3 ceramics.
In: Physical Review B, 95, American Physical Society, ISSN 1098-0121,
[Article]

Ma, Yang-Bin ; Novak, Nikola ; Albe, Karsten ; Xu, Bai-Xiang (2016):
Optimized electrocaloric effect by field reversal: Analytical model.
In: Applied Physics Letters, 109 (202906), pp. 1-5. American Institute of Physics Publishing, ISSN 0003-6951,
[Article]

Ehara, Yoshitaka ; Novak, Nikola ; Ayrikyan, Azatuhi ; Geiger, Philipp T. ; Webber, Kyle G. (2016):
Phase transformation induced by electric field and mechanical stress in Mn-doped (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 ceramics.
In: Journal of Applied Physics, 120 (174103), AIP Publishing, ISSN 00218979,
[Article]

Weyland, Florian ; Acosta, Matias ; Koruza, Jurij ; Breckner, Patrick ; Rödel, Jürgen ; Novak, Nikola (2016):
Criticality : concept to enhance the piezoelectri and electrocaloric properties of ferroelectrics.
In: Advanced Functional Materials, 26 (40), pp. 7326-7333. ISSN 1616-301X,
[Article]

Ma, Yang-Bin ; Novak, Nikola ; Koruza, Jurij ; Yang, Tongqing ; Albe, Karsten ; Xu, Bai-Xiang (2016):
Enhanced electrocaloric cooling in ferroelectric single crystals by electric field reversal.
In: Physical Review B, 94 (10), pp. 100104 (1. APS Publishing, ISSN 2469-9950,
[Article]

Hayati, Raziye ; Bahrevar, Mohammed Ali ; Edadzadeh, Touradj ; Rojas, Virginia ; Novak, Nikola ; Koruza, Jurij (2016):
Effects of Bi2O3 additive on sintering process and dielectric, ferroelectric, and piezoelectric properties of (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 lead-free piezoceramics.
In: Journal of the European Ceramic Society, 36 (14), pp. 3391-3400. ISSN 0955-2219,
[Article]

Ehara, Yoshitaka ; Novak, Nikola ; Shintaro, Yasui ; Itoh, Mitsuru ; Webber, Kyle G. (2015):
Electric-field-temperature phase diagram of Mn-doped Bi0.5(Na0.9K0.1)0.5TiO3 ceramics.
In: Applied Physics Letters, 107, ISSN 00036951,
[Article]

Hoeher, Robin ; Raidt, Thomas ; Novak, Nikola ; Katzenberg, Frank ; Tiller, Joerg C. (2015):
Shape-Memory PVDF Exhibiting Switchable Piezoelectricity.
In: Macromolecular Rapid Communications, 36 (23), WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, ISSN 10221336,
[Article]

Acosta, Matias ; Novak, Nikola ; Rossetti, George A. jr. ; Rödel, Jürgen (2015):
Mechanisms of electromechanical response in (1 − x)Ba(Zr0.2Ti0.8)O3- x(Ba0.7Ca0.3)TiO3 ceramics.
In: Applied Physics Letters, 107 (14), AIP Publishing, [Article]

Baraki, Raschid ; Novak, Nikola ; Hofstätter, Michael ; Supancic, Peter ; Rödel, Jürgen ; Frömling, Till (2015):
Varistor piezotronics: Mechanically tuned conductivity in varistors.
In: Journal of Applied Physics, 118 (8), pp. 085703(1-9). ISSN 0021-8979,
[Article]

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), pp. 104108(1-11). ISSN 1098-0121,
[Article]

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, pp. 48-55. ISSN 13596454,
[Article]

Baraki, Raschid ; Novak, Nikola ; Frömling, Till ; Granzow, Torsten ; Rödel, Jürgen (2014):
Bulk ZnO as piezotronic pressure sensor.
In: Applied Physics Letters, 105 (11), pp. 111604(1-4). ISSN 0003-6951,
[Article]

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), pp. 194104(1-7). ISSN 0021-8979,
[Article]