Determination of the Orbital Polarization in YTiO3 by Using Soft X-Ray Linear Dichroism

Physical Review Letters 93 巻 25 号 257207-1-257207-4 頁 2004-12-15 発行
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タイトル ( eng )
Determination of the Orbital Polarization in YTiO3 by Using Soft X-Ray Linear Dichroism
作成者
Iga Fumitoshi
Tsubota Masami
Huang H. B.
Kura Souichirou
Takemura Masaki
Yaji Koichiro
Nagira M.
Jo Takeo
収録物名
Physical Review Letters
93
25
開始ページ 257207-1
終了ページ 257207-4
抄録
We report measurements of linear dichroism in x-ray absorption at Ti L2;3 edges of a Mott-insulating ferromagnet YTiO3, where orbital ordering occurs in the triply degenerate Ti 3d t2g states. Dichroic spectra and their integrated intensities are obtained for the incident electric field with polarizations parallel to a, b, and c axes. The comparison of the spectra with atomic multiplet calculations removes the ambiguity about the orbital polarization, i.e., the relative weights of |xy>, |yz>, and |zx> orbits, which are crucial for the origin of ferromagnetism. The result is consistent with the previous analysis of nuclear magnetic resonance in the Mizokawa-Fujimori scheme.
言語
英語
資源タイプ 学術雑誌論文
出版者
American Physical Society
発行日 2004-12-15
権利情報
Copyright (c) 2004 American Physical Society.
出版タイプ Version of Record(出版社版。早期公開を含む)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.93.257207
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.93.257207