Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy

A. Krol; Z. H. Ming; Y. H. Kao; N. N̈cker; G. Roth; J. Fink; G. C. Smith; Key Taeck Park; Jaejun Yu; A. J. Freeman; A. Erband; G. M̈ller-Vogt; J. Karpinski; E. Kaldis; K. Schönmann

doi:10.1103/PhysRevB.45.2581

Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy

A. Krol, Z. H. Ming, Y. H. Kao, N. N̈cker, G. Roth, J. Fink, G. C. Smith, Key Taeck Park, Jaejun Yu, A. J. Freeman, A. Erband, G. M̈ller-Vogt, J. Karpinski, E. Kaldis, K. Schönmann

Northwestern University

Research output: Contribution to journal › Article › peer-review

54 Citations (Scopus)

Abstract

The symmetry and density of unoccupied states of twin-free YBa2Cu3O7 and YBa2Cu4O8 single crystals have been investigated by orientation-dependent x-ray absorption spectroscopy at the O 1s edge, using a bulk-sensitive fluoresence-yield-detection method. In conjunction with earlier results obtained by electron-energy-loss spectroscopy, the relative density of unoccupied states for different oxygen sites has been derived. Comparison with local-density energy-band-structure calculations shows reasonable agreement with the experimental results.

Original language	English
Pages (from-to)	2581-2584
Number of pages	4
Journal	Physical Review B
Volume	45
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.45.2581
Publication status	Published - 1992

ASJC Scopus subject areas

Condensed Matter Physics

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Krol, A., Ming, Z. H., Kao, Y. H., N̈cker, N., Roth, G., Fink, J., Smith, G. C., Park, K. T., Yu, J., Freeman, A. J., Erband, A., M̈ller-Vogt, G., Karpinski, J., Kaldis, E., & Schönmann, K. (1992). Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy. Physical Review B, 45(5), 2581-2584. https://doi.org/10.1103/PhysRevB.45.2581

Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy. / Krol, A.; Ming, Z. H.; Kao, Y. H.; N̈cker, N.; Roth, G.; Fink, J.; Smith, G. C.; Park, Key Taeck; Yu, Jaejun; Freeman, A. J.; Erband, A.; M̈ller-Vogt, G.; Karpinski, J.; Kaldis, E.; Schönmann, K.

In: Physical Review B, Vol. 45, No. 5, 1992, p. 2581-2584.

Research output: Contribution to journal › Article › peer-review

Krol, A, Ming, ZH, Kao, YH, N̈cker, N, Roth, G, Fink, J, Smith, GC, Park, KT, Yu, J, Freeman, AJ, Erband, A, M̈ller-Vogt, G, Karpinski, J, Kaldis, E & Schönmann, K 1992, 'Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy', Physical Review B, vol. 45, no. 5, pp. 2581-2584. https://doi.org/10.1103/PhysRevB.45.2581

Krol, A. ; Ming, Z. H. ; Kao, Y. H. ; N̈cker, N. ; Roth, G. ; Fink, J. ; Smith, G. C. ; Park, Key Taeck ; Yu, Jaejun ; Freeman, A. J. ; Erband, A. ; M̈ller-Vogt, G. ; Karpinski, J. ; Kaldis, E. ; Schönmann, K. / Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy. In: Physical Review B. 1992 ; Vol. 45, No. 5. pp. 2581-2584.

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title = "Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy",

abstract = "The symmetry and density of unoccupied states of twin-free YBa2Cu3O7 and YBa2Cu4O8 single crystals have been investigated by orientation-dependent x-ray absorption spectroscopy at the O 1s edge, using a bulk-sensitive fluoresence-yield-detection method. In conjunction with earlier results obtained by electron-energy-loss spectroscopy, the relative density of unoccupied states for different oxygen sites has been derived. Comparison with local-density energy-band-structure calculations shows reasonable agreement with the experimental results.",

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AU - Krol, A.

AU - Ming, Z. H.

AU - Kao, Y. H.

AU - N̈cker, N.

AU - Roth, G.

AU - Fink, J.

AU - Smith, G. C.

AU - Park, Key Taeck

AU - Yu, Jaejun

AU - Freeman, A. J.

AU - Erband, A.

AU - M̈ller-Vogt, G.

AU - Karpinski, J.

AU - Kaldis, E.

AU - Schönmann, K.

PY - 1992

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AB - The symmetry and density of unoccupied states of twin-free YBa2Cu3O7 and YBa2Cu4O8 single crystals have been investigated by orientation-dependent x-ray absorption spectroscopy at the O 1s edge, using a bulk-sensitive fluoresence-yield-detection method. In conjunction with earlier results obtained by electron-energy-loss spectroscopy, the relative density of unoccupied states for different oxygen sites has been derived. Comparison with local-density energy-band-structure calculations shows reasonable agreement with the experimental results.

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Hole states in CuO2 planes and Cu-O chains of YBa2Cu3O7 and YBa2Cu4O8 probed by soft-x-ray absorption spectroscopy

Abstract

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