Polaronic Behavior of Photoelectron Spectra of Fe^sub 3^O^sub 4^ Revealed by Both Hard X-ray and Extremely Low Energy Photons

Hard X-ray and extremely low energy bulk-sensitive photoelectron spectroscopy has been performed in the temperature range of 100-330 K for ... In the high temperature phase just above the Verwey transition, the intensity at the Fermi level ( E F ) is still very weak, but it increases gradually with...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2010-06, Vol.79 (6), p.1
Main Authors: Kimura, Masato, Fujiwara, Hidenori, Sekiyama, Akira, Yamaguchi, Junichi, Kishimoto, Kazumasa, Sugiyama, Hiroshi, Funabashi, Gen, Imada, Shin, Iguchi, Satoshi, Tokura, Yoshinori, Higashiya, Atsushi, Yabashi, Makina, Tamasaku, Kenji, Ishikawa, Tetsuya, Ito, Takahiro, Kimura, Shin-ichi, Suga, Shigemasa
Format: Article
Language:English
Subjects:
Conductivity
Electrons
High temperature
Spectrum analysis
Online Access:Get full text
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Summary:Hard X-ray and extremely low energy bulk-sensitive photoelectron spectroscopy has been performed in the temperature range of 100-330 K for ... In the high temperature phase just above the Verwey transition, the intensity at the Fermi level ( E F ) is still very weak, but it increases gradually with further increasing the temperature (250 K, 330 K) in consistence with the temperature dependence of the conductivity. The spectral behaviors near E F with temperature are well explained by the polaronic model, which shows the change from small polaron to large polaron. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0031-9015
1347-4073