Systematic Analysis of ARPES Spectra of Transition-Metal Oxides: Nature of Effective $d$ Band

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概要

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• We have performed a systematic tight-binding analysis of the angle-resolved photoemission spectroscopy (ARPES) spectra of a series of transition-metal (TM) oxides A(TM)O3 and compared the obtained electronic structure parameters with those well established values obtained from cluster-model analyses of photoemission spectra. The values of $\epsilon_{d}-\epsilon_{p}$ from ARPES are found to be much larger than the values which would be expected for the limit of weak $ p$–$d$ hybridization, indicating that the "effective" TM 3d bands are originated from the strong hybridization with the O 2p bands even for light TM oxides.

• Physical Society of Japanの論文
• 2009-09-15

著者

• CHIKAMATSU Akira

  Department of Applied Chemistry, The University of Tokyo

• WADATI Hiroki

  Department of Physics and Department of Complexity Science and Engineering, University of Tokyo

• TAKIZAWA Masaru

  Department of Physics and Department of Complexity Science and Engineering, University of Tokyo

• Mizokawa Takashi

  Department Of Complexity Science And Engineering And Department Of Physics University Of Tokyo

• Hamada Noriaki

  Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research Osaka Uni

• Fujimori Atsushi

  Department Of Complexity Science And Engineering And Department Of Physics University Of Tokyo

• Oshima Masaharu

  Department Of Applied Chemistry Graduate School Of Engineering The University Of Tokyo

• KUMIGASHIRA Hiroshi

  Department of Applied Chemistry and JST-CREST, The University of Tokyo

• Kumigashira Hiroshi

  Department of Applied Chemistry, University of Tokyo, Bunkyo, Tokyo 113-8656

• Yoshida Teppei

  Department of Complexity Science and Engineering and Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033

• Yoshida Teppei

  Department of Physics, University of Tokyo, Bunkyo, Tokyo 113-0033

• Hamada Noriaki

  Department of Physics, Tokyo University of Science, Noda, Chiba 278-8510

• Takizawa Masaru

  Department of Physics, University of Tokyo, Bunkyo, Tokyo 113-0033

• Chikamatsu Akira

  Department of Applied Chemistry, University of Tokyo, Bunkyo, Tokyo 113-8656

• Wadati Hiroki

  Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T-1Z1, Canada

• OSHIMA Masaharu

  Department of Applied Chemistry and JST-CREST, The University of Tokyo

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