Effect of charge ordering and disordering on terahertz radiation characteristics of magnetoresistive Pr0.7Ca0.3MnO3 thin films

被引：6
|
作者：
Kida, N [1 ]
Takahashi, K [1 ]
Tonouchi, M [1 ]
机构：
[1] Osaka Univ, Res Ctr Superconductor Photon, Suita, Osaka 5650871, Japan
来源：
OPTICS LETTERS | 2004年 / 29卷 / 21期
关键词：
D O I：
10.1364/OL.29.002554
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Terahertz (THz) radiation from voltage-biased photoswitching devices made on magnetoresistive manganite Pr0.7Ca0.3MnO3 have been investigated for thin films grown under different conditions. We find that the temperature dependence of THz radiation near the charge-ordering temperature strongly depends on the growth condition of Pr0.7Ca0.3MnO3, whereas THz radiation shows no such temperature dependence near the spin-ordering temperature. (C) 2004 Optical Society of America.
引用
收藏
页码：2554 / 2556
页数：3
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