The First Room-Temperature Ferroelectric Sn Insulator and Its Polarization Switching Kinetics

被引：96
|
作者：
Wang, Yazhong [1 ,2 ]
Huang, Fei-Ting [1 ,2 ]
Luo, Xuan [3 ,4 ]
Gao, Bin [1 ,2 ]
Cheong, Sang-Wook [1 ,2 ]
机构：
[1] Rutgers State Univ, Rutgers Ctr Emergent Mat, Piscataway, NJ 08854 USA
[2] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA
[3] Pohang Univ Sci & Technol, Lab Pohang Emergent Mat, Pohang 790784, South Korea
[4] Pohang Univ Sci & Technol, Max Plank POSTECH Ctr Complex Phase Mat, Pohang 790784, South Korea
来源：
ADVANCED MATERIALS | 2017年 / 29卷 / 02期
关键词：
PHASE-TRANSITIONS; PEROVSKITES; MEMORIES; CRYSTALS; SN2P2S6;
D O I：
10.1002/adma.201601288
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Sr3Sn2O7 is the first room-temperature ferroelectric Sn insulator with switchable electric polarization. The ferroelastic twin domains are observed using a polarized optical microscope. The polarization hysteresis loop clearly demonstrates the ferroelectric property. Intriguing polarization switching kinetics are observed through an in situ poling process using a dark-field transmission electron microscopy technique.
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页数：5
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