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铁电介孔钛酸钡薄膜的化学制备：介孔衍生应变引起居里温度的显著提高。

Chemical preparation of ferroelectric mesoporous barium titanate thin films: drastic enhancement of Curie temperature induced by mesopore-derived strain.

作者信息

Suzuki Norihiro, Jiang Xiangfen, Salunkhe Rahul R, Osada Minoru, Yamauchi Yusuke

机构信息

International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047 (Japan).

出版信息

Chemistry. 2014 Sep 1;20(36):11283-6. doi: 10.1002/chem.201403308. Epub 2014 Aug 8.

DOI:10.1002/chem.201403308
PMID:25111152
Abstract

Mesoporous barium titanate (BT) thin films are synthesized by a surfactant-assisted sol-gel method. The obtained mesoporous BT thin films show enhanced ferroelectricity due to the effective strains induced by mesopores. The Curie temperature (T(c)) of the mesoporous BT reaches approximately 470 °C.

摘要

通过表面活性剂辅助溶胶-凝胶法合成了介孔钛酸钡（BT）薄膜。由于介孔引起的有效应变，所制备的介孔BT薄膜表现出增强的铁电性。介孔BT的居里温度（T(c)）约为470°C。

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