Electronic states in La2-xSrxCuO4+ probed by soft-x-ray absorption

C. T. Chen; F. Sette; Y. Ma; M. S. Hybertsen; E. B. Stechel; W. M.C. Foulkes; M. Schulter; S. W. Cheong; A. S. Cooper; L. W. Rupp; B. Batlogg; Y. L. Soo; Z. H. Ming; A. Krol; Y. H. Kao

doi:10.1103/PhysRevLett.66.104

Electronic states in La2-xSrxCuO4+ probed by soft-x-ray absorption

C. T. Chen, F. Sette, Y. Ma, M. S. Hybertsen, E. B. Stechel, W. M.C. Foulkes, M. Schulter, S. W. Cheong, A. S. Cooper, L. W. Rupp, B. Batlogg, Y. L. Soo, Z. H. Ming, A. Krol, Y. H. Kao

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Abstract

Oxygen K-edge absorption spectra of carefully characterized La2-xSrxCuO4+ samples were measured using a bulk-sensitive fluoresence-yield-detection method. They reveal two distinct pre-edge peaks which evolve systematically as a function of Sr concentration. The measured spectra are quantitatively described by calculations based on the Hubbard model, including local Coulomb interactions and core-hole excitonic correlations. The absorption data are consistent with a description of electronic states based on a doped charge-transfer insulator.

Original language	English (US)
Pages (from-to)	104-107
Number of pages	4
Journal	Physical Review Letters
Volume	66
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.66.104
State	Published - 1991
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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@article{c2276fa1d0da4db995540d64924af179,

title = "Electronic states in La2-xSrxCuO4+ probed by soft-x-ray absorption",

abstract = "Oxygen K-edge absorption spectra of carefully characterized La2-xSrxCuO4+ samples were measured using a bulk-sensitive fluoresence-yield-detection method. They reveal two distinct pre-edge peaks which evolve systematically as a function of Sr concentration. The measured spectra are quantitatively described by calculations based on the Hubbard model, including local Coulomb interactions and core-hole excitonic correlations. The absorption data are consistent with a description of electronic states based on a doped charge-transfer insulator.",

author = "Chen, {C. T.} and F. Sette and Y. Ma and Hybertsen, {M. S.} and Stechel, {E. B.} and Foulkes, {W. M.C.} and M. Schulter and Cheong, {S. W.} and Cooper, {A. S.} and Rupp, {L. W.} and B. Batlogg and Soo, {Y. L.} and Ming, {Z. H.} and A. Krol and Kao, {Y. H.}",

year = "1991",

doi = "10.1103/PhysRevLett.66.104",

language = "English (US)",

volume = "66",

pages = "104--107",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "1",

}

TY - JOUR

T1 - Electronic states in La2-xSrxCuO4+ probed by soft-x-ray absorption

AU - Chen, C. T.

AU - Sette, F.

AU - Ma, Y.

AU - Hybertsen, M. S.

AU - Stechel, E. B.

AU - Foulkes, W. M.C.

AU - Schulter, M.

AU - Cheong, S. W.

AU - Cooper, A. S.

AU - Rupp, L. W.

AU - Batlogg, B.

AU - Soo, Y. L.

AU - Ming, Z. H.

AU - Krol, A.

AU - Kao, Y. H.

PY - 1991

Y1 - 1991

N2 - Oxygen K-edge absorption spectra of carefully characterized La2-xSrxCuO4+ samples were measured using a bulk-sensitive fluoresence-yield-detection method. They reveal two distinct pre-edge peaks which evolve systematically as a function of Sr concentration. The measured spectra are quantitatively described by calculations based on the Hubbard model, including local Coulomb interactions and core-hole excitonic correlations. The absorption data are consistent with a description of electronic states based on a doped charge-transfer insulator.

AB - Oxygen K-edge absorption spectra of carefully characterized La2-xSrxCuO4+ samples were measured using a bulk-sensitive fluoresence-yield-detection method. They reveal two distinct pre-edge peaks which evolve systematically as a function of Sr concentration. The measured spectra are quantitatively described by calculations based on the Hubbard model, including local Coulomb interactions and core-hole excitonic correlations. The absorption data are consistent with a description of electronic states based on a doped charge-transfer insulator.

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U2 - 10.1103/PhysRevLett.66.104

DO - 10.1103/PhysRevLett.66.104

M3 - Article

AN - SCOPUS:0001318914

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EP - 107

JO - Physical Review Letters

JF - Physical Review Letters

IS - 1

ER -

Electronic states in La2-xSrxCuO4+ probed by soft-x-ray absorption

Abstract

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