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Filling of the Mott-Hubbard gap in the high temperature photoemission spectrum of (V0.972Cr0.028)(2)O-3 SCIE SCOPUS
- Title
- Filling of the Mott-Hubbard gap in the high temperature photoemission spectrum of (V0.972Cr0.028)(2)O-3
- Authors
- Mo, SK; Kim, HD; Allen, JW; Gweon, GH; Denlinger, JD; Park, JH; Sekiyama, A; Yamasaki, A; Suga, S; Metcalf, P; Held, K
- Date Issued
- 2004-08-13
- Publisher
- AMERICAN PHYSICAL SOC
- Abstract
- Photoemission spectra of the paramagnetic insulating phase of (V0.972Cr0.028)(2)O-3, taken in ultrahigh vacuum up to the unusually high temperature (T) of 800 K, reveal a property unique to the Mott-Hubbard (MH) insulator that has not been observed previously. With increasing T the MH gap is filled by spectral weight transfer, in qualitative agreement with high-T theoretical calculations combining dynamical mean field theory and band theory in the local density approximation.
- ISSN
- 0031-9007
- Article Type
- Article
- Citation
- PHYSICAL REVIEW LETTERS, vol. 93, no. 7, 2004-08-13
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Related Researcher
- 박재훈PARK, JAE HOON
- Dept of Physics