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

  • T. Harano
  • , G. Shibata
  • , K. Yoshimatsu
  • , K. Ishigami
  • , V. K. Verma
  • , Y. Takahashi
  • , T. Kadono
  • , T. Yoshida
  • , A. Fujimori*
  • , T. Koide
  • , F. H. Chang
  • , H. J. Lin
  • , D. J. Huang
  • , C. T. Chen
  • , P. H. Xiang
  • , H. Yamada
  • , A. Sawa
  • *此作品的通讯作者
  • The University of Tokyo
  • High Energy Accelerator Research Organization, Tsukuba
  • National Synchrotron Radiation Research Center Taiwan
  • National Institute of Advanced Industrial Science and Technology

科研成果: 期刊稿件文章同行评审

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.

源语言英语
页(从-至)30-33
页数4
期刊Solid State Communications
174
DOI
出版状态已出版 - 2013

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