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Articles, 2 registres trobats
Articles 2 registres trobats  
1.
17 p, 1.1 MB Flexoelectricity in antiferroelectrics / Vales Castro, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Roleder, Krystian (University of Silesia in Katowice. Institute of Physics) ; Zhao, Lei (Tsinghua University) ; Li, Jing-Feng (Tsinghua University) ; Kajewski, Dariusz (University of Silesia in Katowice. Institute of Physics) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
Flexoelectricity (coupling between polarization and strain gradients) is a property of all dielectric materials that has been theoretically known for decades, but only relatively recently it has begun to attract experimental attention. [...]
2018 - 10.1063/1.5044724
Applied physics letters, Vol. 113, Issue 13 (September 2018) , art. 132903  
2.
16 p, 968.3 KB Flexoelectric fracture-ratchet effect in ferroelectrics / Cordero Edwards, Rohini Kumara (Institut Català de Nanociència i Nanotecnologia) ; Kianirad, Hoda (Kungliga Tekniska högskolan. Institutionen för Tillämpad fysik) ; Canalias, Carlot (Kungliga Tekniska högskolan. Institutionen för Tillämpad fysik) ; Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
The propagation front of a crack generates large strain gradients and it is therefore a strong source of gradient-induced polarization (flexoelectricity). Herein, we demonstrate that, in piezoelectric materials, a consequence of flexoelectricity is that crack propagation is helped or hindered depending on whether it is parallel or antiparallel to the piezoelectric polar axis. [...]
2019 - 10.1103/PhysRevLett.122.135502
Physical review letters, Vol. 122, issue 13 (April 2019) , p. 135502  

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