Anomalous variation of optical spectra with spin polarization in double-exchange ferromagnet: La1-xSrxMnO3

Y. Okimoto, T. Katsufuji, T. Ishikawa, A. Urushibara, T. Arima, Y. Tokura

研究成果: Article査読

443 被引用数 (Scopus)

抄録

Optical spectra and their temperature dependence have been investigated for a prototypical double-exchange ferromagnet La1-xSrxMnO3 (x=0.175). The optical conductivity spectrum above Tc is characterized by interband transitions between the exchange-split bands and gradually changes into intraband excitations with decrease of temperature, accompanied by conspicuous transfer of spectral weight over a wide energy region of 0-3 eV. The results indicate a large variation of the electronic structure with the spin polarization of the conduction carriers.

本文言語English
ページ(範囲)109-112
ページ数4
ジャーナルPhysical Review Letters
75
1
DOI
出版ステータスPublished - 1995
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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