Calculated photoemission, inverse photoemission, and x-ray emission spectra of high-Tc superconductors: Tl2Ba2CaCu2O8 and Tl2Ba2Ca2Cu3O10

P. Marksteiner, Jaejun Yu, S. Massidda, Arthur J Freeman, J. Redinger, P. Weinberger

Research output: Contribution to journalArticle

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Abstract

Angle-integrated photoemission, inverse photoemission, and x-ray emission spectra were calculated for Tl2Ba2CaCu2O8 and Tl2Ba2Ca2Cu3O10. All spectra are based on densities of states obtained from local-density full-potential linearized augmented plane-wave (FLAPW) calculations. For the photoemission and inverse photoemission spectra, the single-scatterer final-state approximation was applied. For low photon energies mainly O p states show up in the spectra, and there are appreciable differences between the two compounds. For high photon energies the spectra of both compounds are very similar and show Cu and Tl contributions. The unoccupied states probed by inverse photoemission have mainly O p character with some Tl and Ba contributions. The Cu LIII x-ray emission spectra of both compounds reflect the Cu d density of states (DOS) and closely resemble each other, whereas the O K x-ray-emission spectra are narrower than the corresponding DOS because of differences in the core levels of inequivalent O atoms.

Original languageEnglish
Pages (from-to)2894-2897
Number of pages4
JournalPhysical Review B
Volume39
Issue number4
DOIs
Publication statusPublished - 1989

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x ray spectra
Photoemission
Superconducting materials
emission spectra
photoelectric emission
X rays
Photons
Core levels
photons
plane waves
Atoms
energy
approximation
scattering
atoms

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Calculated photoemission, inverse photoemission, and x-ray emission spectra of high-Tc superconductors : Tl2Ba2CaCu2O8 and Tl2Ba2Ca2Cu3O10. / Marksteiner, P.; Yu, Jaejun; Massidda, S.; Freeman, Arthur J; Redinger, J.; Weinberger, P.

In: Physical Review B, Vol. 39, No. 4, 1989, p. 2894-2897.

Research output: Contribution to journalArticle

Marksteiner, P. ; Yu, Jaejun ; Massidda, S. ; Freeman, Arthur J ; Redinger, J. ; Weinberger, P. / Calculated photoemission, inverse photoemission, and x-ray emission spectra of high-Tc superconductors : Tl2Ba2CaCu2O8 and Tl2Ba2Ca2Cu3O10. In: Physical Review B. 1989 ; Vol. 39, No. 4. pp. 2894-2897.
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abstract = "Angle-integrated photoemission, inverse photoemission, and x-ray emission spectra were calculated for Tl2Ba2CaCu2O8 and Tl2Ba2Ca2Cu3O10. All spectra are based on densities of states obtained from local-density full-potential linearized augmented plane-wave (FLAPW) calculations. For the photoemission and inverse photoemission spectra, the single-scatterer final-state approximation was applied. For low photon energies mainly O p states show up in the spectra, and there are appreciable differences between the two compounds. For high photon energies the spectra of both compounds are very similar and show Cu and Tl contributions. The unoccupied states probed by inverse photoemission have mainly O p character with some Tl and Ba contributions. The Cu LIII x-ray emission spectra of both compounds reflect the Cu d density of states (DOS) and closely resemble each other, whereas the O K x-ray-emission spectra are narrower than the corresponding DOS because of differences in the core levels of inequivalent O atoms.",
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AU - Yu, Jaejun

AU - Massidda, S.

AU - Freeman, Arthur J

AU - Redinger, J.

AU - Weinberger, P.

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N2 - Angle-integrated photoemission, inverse photoemission, and x-ray emission spectra were calculated for Tl2Ba2CaCu2O8 and Tl2Ba2Ca2Cu3O10. All spectra are based on densities of states obtained from local-density full-potential linearized augmented plane-wave (FLAPW) calculations. For the photoemission and inverse photoemission spectra, the single-scatterer final-state approximation was applied. For low photon energies mainly O p states show up in the spectra, and there are appreciable differences between the two compounds. For high photon energies the spectra of both compounds are very similar and show Cu and Tl contributions. The unoccupied states probed by inverse photoemission have mainly O p character with some Tl and Ba contributions. The Cu LIII x-ray emission spectra of both compounds reflect the Cu d density of states (DOS) and closely resemble each other, whereas the O K x-ray-emission spectra are narrower than the corresponding DOS because of differences in the core levels of inequivalent O atoms.

AB - Angle-integrated photoemission, inverse photoemission, and x-ray emission spectra were calculated for Tl2Ba2CaCu2O8 and Tl2Ba2Ca2Cu3O10. All spectra are based on densities of states obtained from local-density full-potential linearized augmented plane-wave (FLAPW) calculations. For the photoemission and inverse photoemission spectra, the single-scatterer final-state approximation was applied. For low photon energies mainly O p states show up in the spectra, and there are appreciable differences between the two compounds. For high photon energies the spectra of both compounds are very similar and show Cu and Tl contributions. The unoccupied states probed by inverse photoemission have mainly O p character with some Tl and Ba contributions. The Cu LIII x-ray emission spectra of both compounds reflect the Cu d density of states (DOS) and closely resemble each other, whereas the O K x-ray-emission spectra are narrower than the corresponding DOS because of differences in the core levels of inequivalent O atoms.

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