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- Glasbey, JC, et al.
(author)
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- 2021
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swepub:Mat__t
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- Galakhov, AV, et al.
(author)
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Influence of the Coulomb parameter U on partial densities of states of CuGeO3: Comparison with X-ray spectral data
- 2004
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In: European Physical Journal B. Condensed Matter and Complex Systems. - : Springer Science and Business Media LLC. - 1434-6028. ; 41:3, s. 295-300
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Journal article (peer-reviewed)abstract
- The electronic structure of the strongly Coulomb correlated cuprate CuGeO3 has been calculated by the local-density-approximation method (LDA+U). The parameter U was varied from 0 to 8 eV. The results of the band-structure calculations are compared with experimental data obtained by means of X-ray photoelectron and resonant X-ray emission spectroscopy methods (Cu Lalpha and O Kalpha X-ray emission spectra). It is established that a LDA+U calculation with U = 4 eV reproduces well the X-ray photoelectron and X-ray resonant emission spectral data.
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- Galakhov, VR, et al.
(author)
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Co 3d-level position in ZnS : Co semiconductors
- 2003
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In: Physical Review B (Condensed Matter and Materials Physics). - 1098-0121. ; 68:3: 033204
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Journal article (peer-reviewed)abstract
- Experimental studies of x-ray photoelectron and Co Lalpha x-ray emission spectra of the ZnS:Co semiconductor were carried out. It was established that Co ions are present in isovalent Co2+ configuration and that the Co 3d impurity states are localized above the top of the valence band by 1.0 +/- 0.2 eV.
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