Enhanced colossal electroresistance in Cu/Pr0.7Ca0.3MnO3/Cu structure

被引：16
|
作者：
Peng, W. C.
Lin, J. G. [1 ]
Wu, J. H.
机构：
[1] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 106, Taiwan
[2] Natl Taiwan Univ, Ctr Nanostorage Res, Taipei 106, Taiwan
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 100卷 / 09期
关键词：
D O I：
10.1063/1.2361087
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Voltage-current (V-I) curves have been measured in symmetrical metal/Pr0.7Ca0.3MnO3/metal structures with metal=Ag, Cu, Pt, and Au. Our four measured samples exhibit room-temperature nonlinear and asymmetric V-I curves with electrical hysteresis loops. Among these four samples, Cu/Pr0.7Ca0.3MnO3/Cu produces the largest hysteresis loop, yielding an enhanced colossal electroresistance of 2279% at a current of 0.5 A. (c) 2006 American Institute of Physics.
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