Characterization of integrated heterostructures of SbSI-La0.67Ca0.33MnO3

被引：3
|
作者：
Surthi, S [1 ]
Kotru, S [1 ]
Pandey, RK [1 ]
机构：
[1] Univ Alabama, Dept Elect & Comp Engn, Tuscaloosa, AL 35487 USA
来源：
MATERIALS LETTERS | 2003年 / 57卷 / 22-23期
关键词：
perovskites; ferroelectrics; thin films; pulsed laser deposition; electrical properties; field effect; non-volatile memory; switching fatigue;
D O I：
10.1016/S0167-577X(03)00099-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Heterostructures of ferroelectric antimony sulpho iodide (SbSI) and colossal magnetoresistive La0.67Ca0.33MnO3 (LCMO) have been grown on NdGaO3 substrates by pulsed laser deposition (PLD) technique. The integrated structure, with SbSI acting as a gate insulator and LCMO as a semiconductor channel, exhibited field effect along with a channel modulation of about 10%. This ferroelectric field effect has been observed at a voltage of only 2 V. The field effect was non-volatile, and very little change was observed in the channel resistance after more than 2 It. Polarization switching tests showed a small polarization loss of about 5% after more than 10(7) bipolar switching cycles. (C) 2003 Elsevier Science B.V All rights reserved.
引用
收藏
页码：3455 / 3460
页数：6
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