Phase diagram of Ca 1-x Ce x MnO 3 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

Research output: Contribution to journalComment/debatepeer-review

1 Citation (Scopus)

Abstract

In the perovskite-type Ca 1-x Ce x MnO 3 (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 YAlO 3 (YAO), NdAlO 3 (NAO), and LaSrAlO 4 (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 Nd 3+ ions. In order to eliminate the influence of Nd 3+ 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.

Original languageEnglish
Pages (from-to)50-53
Number of pages4
JournalSolid State Communications
Volume207
DOIs
Publication statusPublished - 2015 Apr
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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