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Report No.

X-ray absorption magnetic circular dichroism of (La,Ce)MnO$$_{3}$$ thin films

Yanagida, Tsuyoshi*; Saito, Yuji  ; Takeda, Yukiharu   ; Fujimori, Atsushi*; Tanaka, Hidekazu*; Kawai, Tomoji*

Creating a bipolarity of semiconductors has been a key technology to develop recent advanced semiconductor devices. Although theoretical calculation predicts the presence of ferromagnetic electron-doped manganites with doping tetravalent cations, the ferromagnetic origin in experiments has been controversial due to the lack of direct experimental evidence. Here, we investigate the ferromagnetism in (La,Ce)MnO$$_{3}$$ thin films by measuring the magnetic circular dichroism in soft X-ray absorption (XMCD). The XMCD measurements clarified that the ferromagnetism is not caused by the presence of Mn$$^{2+}$$ but by self-hole doping for manganese.



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Category:Materials Science, Multidisciplinary



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