Phase diagram of Ca1-xCexMnO3 thin films studied by X-ray magnetic circular dichroism

被引：1
|
作者：
Harano, T. [1 ]
Shibata, G. [1 ]
Yoshimatsu, K. [1 ]
Ishigami, K. [2 ]
Verma, V. K. [1 ]
Takahashi, Y. [1 ]
Kadono, T. [1 ]
Yoshida, T. [1 ]
Fujimori, A. [1 ]
Koide, T. [3 ]
Chang, F. -H. [4 ]
Lin, H. -J. [4 ]
Huang, D. -J. [4 ]
Chen, C. -T. [4 ]
Xiang, P. -H. [5 ,6 ]
Yamada, H. [5 ]
Sawa, A. [5 ]
机构：
[1] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[2] Univ Tokyo, Dept Complex Sci & Engn, Kashiwa, Chiba 2778561, Japan
[3] High Energy Accelerator Res Org KEK Photon Factor, Tsukuba, Ibaraki 3050016, Japan
[4] NSRRC, Hsinchu 300, Taiwan
[5] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058562, Japan
[6] E China Normal Univ, Minist Educ, Key Lab Polar Mat & Devices, Shanghai 200241, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2015年 / 207卷
关键词：
D O I：
10.1016/j.ssc.2014.08.003
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In the perovskite-type Ca1-xCexMnO3 (CCMO), one can control the transport and magnetic properties through varying Ce content. In the case of thin films, the properties can also be controlled by epitaxial strain from the substrate through changing it such as YAlO3 (YAO), NdAlO3 (NAO), and LaSrAlO4 (LSAO). However, one cannot measure the magnetization of thin films on NAO substrates by conventional magnetization measurements because of the strong paramagnetic signals from the Nd3+ ions. In order to eliminate the influence of Nd3+ and to identify magnetic phases of the CCMO thin films, we have performed element-selective X-ray magnetic circular dichroism (XMCD) measurements of the Mn 2p core level. By studying the anisotropy of the XMCD intensity, we could unambiguously determine the magnetic phase diagram of the CCMO thin films. (C) 2015 Elsevier Ltd. All rights reserved.
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收藏
页码：50 / 53
页数：4
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