Mamiya, K. ; Mizokawa, T. ; Fujimori, A. ; Takahashi, H. ; Môri, N. ; Miyadai, T. ; Suga, S. ; Chandrasekharan, Nirmala ; Krishnakumar, S. R. ; Sarma, D. D. (1997) Photoemission study of pyrite-type transition-metal chalcogenides MS2−xSex (M=Fe, Co, Ni) Physica B: Condensed Matter, 237-238 . pp. 390-391. ISSN 0163-1829
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0921-4526(97)00243-3
Abstract
The electronic structures of pyrite-type transition-metal chalcogenides MS2−xSex (M=Fe, Co, Ni) has been investigated by photoemission and inverse-photoemission spectroscopy. The valence-band spectrum of ferromagnetic CoS2 does not show exchange splitting of the Co 3d peak, in disagreement with band-structure calculations. High-resolution photoemission spectra of NiS1.55Se0.45 shows spectral weight transfer from low (≅ 50 meV) to high (0.2-0.5 eV) binding energies, in going from the metallic to the insulating phase.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Photoemission Spectroscopy; Electronic Structure; Metal-insulator Transition |
| ID Code: | 46430 |
| Deposited On: | 04 Jul 2011 11:52 |
| Last Modified: | 04 Jul 2011 11:52 |
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