Control of Ferroelectricity in Solution‐Processed Hafnia Films Through Annealing Atmosphere

Autor: Barnik Mandal, Nathalie Valle, Brahime El Adib, Stéphanie Girod, Kevin Menguelti, Yves Fleming, Patrick Grysan, Emmanuel Defay, Sebastjan Glinsek

Publikováno v: Advanced Electronic Materials, Vol 10, Iss 8, Pp n/a-n/a (2024)

Abstract Chemical Solution Deposition enables low‐cost fabrication of ferroelectric HfO2 films suitable for piezoelectric applications. Control of processing parameters is of utmost importance to obtain high‐quality functional films. However, the

Externí odkaz: https://doaj.org/article/c90252d1520d4866908fd0f1b88dd892

Large pyroelectric energy conversion in lead scandium tantalate thin films

Autor: Ashwath Aravindhan, Sebastjan Glinsek, Stephanie Girod, Alfredo Blazquez Martinez, Torsten Granzow, Veronika Kovacova, Emmanuel Defay

Publikováno v: Heliyon, Vol 10, Iss 9, Pp e30430- (2024)

Non-linear pyroelectric energy harvesting using ferroelectric thin films exhibits high energy conversion, primarily due to their large breakdown field compared to bulks. Here, we report the pyroelectric energy conversion potential of lead scandium ta

Externí odkaz: https://doaj.org/article/88616ea96d604f92a82570ec96de49e9

Direct measurement of electrocaloric effect in P(VDF-TrFE-CFE) film using infrared imaging

Autor: Ashwath Aravindhan, Pierre Lheritier, Alvar Torelló, Uros Prah, Youri Nouchokgwe, Asmaa El Moul, Xavier Chevalier, Fabrice Domingues Dos Santos, Emmanuel Defay, Veronika Kovacova

Publikováno v: Journal of Materiomics, Vol 9, Iss 2, Pp 256-260 (2023)

Poly (vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) P(VDF-TrFE-CFE) is a relaxor ferroelectric polymer, which exhibits a temperature-independent electrocaloric effect at room temperature. In this work, the electrocaloric effect in P(VDF

Externí odkaz: https://doaj.org/article/eab7073c012145859c83c85028be33bd

Phenomenological Material Model for First-Order Electrocaloric Material

Autor: Sabrina Unmüßig, David Bach, Youri Nouchokgwe, Emmanuel Defay, Kilian Bartholomé

Publikováno v: Energies, Vol 16, Iss 15, p 5837 (2023)

Caloric cooling systems are potentially more efficient than systems based on vapour compression. Electrocaloric cooling systems use a phase transformation from the paraelectric to the ferroelectric state by applying or removing an electric field to p

Externí odkaz: https://doaj.org/article/90f6426f4d6246ecb1cc55093f2e6b73

Roadmap on energy harvesting materials

Autor: Vincenzo Pecunia, S Ravi P Silva, Jamie D Phillips, Elisa Artegiani, Alessandro Romeo, Hongjae Shim, Jongsung Park, Jin Hyeok Kim, Jae Sung Yun, Gregory C Welch, Bryon W Larson, Myles Creran, Audrey Laventure, Kezia Sasitharan, Natalie Flores-Diaz, Marina Freitag, Jie Xu, Thomas M Brown, Benxuan Li, Yiwen Wang, Zhe Li, Bo Hou, Behrang H Hamadani, Emmanuel Defay, Veronika Kovacova, Sebastjan Glinsek, Sohini Kar-Narayan, Yang Bai, Da Bin Kim, Yong Soo Cho, Agnė Žukauskaitė, Stephan Barth, Feng Ru Fan, Wenzhuo Wu, Pedro Costa, Javier del Campo, Senentxu Lanceros-Mendez, Hamideh Khanbareh, Zhong Lin Wang, Xiong Pu, Caofeng Pan, Renyun Zhang, Jing Xu, Xun Zhao, Yihao Zhou, Guorui Chen, Trinny Tat, Il Woo Ock, Jun Chen, Sontyana Adonijah Graham, Jae Su Yu, Ling-Zhi Huang, Dan-Dan Li, Ming-Guo Ma, Jikui Luo, Feng Jiang, Pooi See Lee, Bhaskar Dudem, Venkateswaran Vivekananthan, Mercouri G Kanatzidis, Hongyao Xie, Xiao-Lei Shi, Zhi-Gang Chen, Alexander Riss, Michael Parzer, Fabian Garmroudi, Ernst Bauer, Duncan Zavanelli, Madison K Brod, Muath Al Malki, G Jeffrey Snyder, Kirill Kovnir, Susan M Kauzlarich, Ctirad Uher, Jinle Lan, Yuan-Hua Lin, Luis Fonseca, Alex Morata, Marisol Martin-Gonzalez, Giovanni Pennelli, David Berthebaud, Takao Mori, Robert J Quinn, Jan-Willem G Bos, Christophe Candolfi, Patrick Gougeon, Philippe Gall, Bertrand Lenoir, Deepak Venkateshvaran, Bernd Kaestner, Yunshan Zhao, Gang Zhang, Yoshiyuki Nonoguchi, Bob C Schroeder, Emiliano Bilotti, Akanksha K Menon, Jeffrey J Urban, Oliver Fenwick, Ceyla Asker, A Alec Talin, Thomas D Anthopoulos, Tommaso Losi, Fabrizio Viola, Mario Caironi, Dimitra G Georgiadou, Li Ding, Lian-Mao Peng, Zhenxing Wang, Muh-Dey Wei, Renato Negra, Max C Lemme, Mahmoud Wagih, Steve Beeby, Taofeeq Ibn-Mohammed, K B Mustapha, A P Joshi

Publikováno v: JPhys Materials, Vol 6, Iss 4, p 042501 (2023)

Ambient energy harvesting has great potential to contribute to sustainable development and address growing environmental challenges. Converting waste energy from energy-intensive processes and systems (e.g. combustion engines and furnaces) is crucial

Externí odkaz: https://doaj.org/article/884d9a349be14f07b276e877a5fd1391