نتایج جستجو برای: ferroelectricity

تعداد نتایج: 1253  

Journal: :Journal of Physics: Condensed Matter 2014

2017
Evgheni Strelcov Qingfeng Dong Tao Li Jungseok Chae Yuchuan Shao Yehao Deng Alexei Gruverman Jinsong Huang Andrea Centrone

Ferroelectricity has been proposed as a plausible mechanism to explain the high photovoltaic conversion efficiency in organic-inorganic perovskites; however, convincing experimental evidence in support of this hypothesis is still missing. Identifying and distinguishing ferroelectricity from other properties, such as piezoelectricity, ferroelasticity, etc., is typically nontrivial because these ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Yuanming Liu Hong-Ling Cai Matthew Zelisko Yunjie Wang Jinglan Sun Fei Yan Feiyue Ma Peiqi Wang Qian Nataly Chen Hairong Zheng Xiangjian Meng Pradeep Sharma Yanhang Zhang Jiangyu Li

Ferroelectricity has long been speculated to have important biological functions, although its very existence in biology has never been firmly established. Here, we present compelling evidence that elastin, the key ECM protein found in connective tissues, is ferroelectric, and we elucidate the molecular mechanism of its switching. Nanoscale piezoresponse force microscopy and macroscopic pyroele...

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