Band mapping of the model insulator Sr2CuO2Cl2-Dispersion of a single hole in an antiferromagnetic background

B. O. Wells; Z. X. Shen; A. Matsuura; D. M. King; M. A. Kastner; M. Greven; R. J. Birgeneau

doi:10.1016/0022-3697(95)00216-2

Band mapping of the model insulator Sr₂CuO₂Cl₂-Dispersion of a single hole in an antiferromagnetic background

B. O. Wells, Z. X. Shen, A. Matsuura, D. M. King, M. A. Kastner, M. Greven, R. J. Birgeneau

Physics and Astronomy (Twin Cities)

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

1 Scopus citations

Abstract

We report angle resolved photoemission measurements on Sr₂CuO₂Cl₂, an insulating layered copper oxide. We map the energy-momentum dispersion of the highest energy band. We find that the width of this band is consistent with calculations based on variations of the Hubbard model. The dispersion in some directions and the position of the valence band maximum at ( π 2, π 2) match predictions of the t - J model. However the overall shape of the band differs from these predictions. A comparison of our data with spectra previously reported on metallic samples leads to surprising new suggestions for the phenomenology of doping.

Original language	English (US)
Pages (from-to)	1871-1874
Number of pages	4
Journal	Journal of Physics and Chemistry of Solids
Volume	56
Issue number	12
DOIs	https://doi.org/10.1016/0022-3697(95)00216-2
State	Published - Dec 1995

Bibliographical note

Funding Information:
Acknowledgements-We would like to acknowledghee lpfulc onver-sationsw ith P. W. Anderson,V . Emery,E . Dagotto,R . B. Laugh-lin, I? A. Lee and D. J. Scalapino.W e thank D. S. Dessauf or help with the experimentasle t up and P. Blakesleefo r assistance in characterizintgh e crystalsS. SRL is operatedb y the DOE Office of Basic Energy ScienceD, ivision of ChemicalS ciencesT.h e work at Stanfordw as supportedb y DOE Division of Materials ScienceN, SF grant DMR9357057,a nd the StanfordC enterfor MaterialsR esearchT. he work at M.I.T. was supportedb y NSF grantsn umberD MR90-22933a nd DMR93-15715.

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Copyright 2015 Elsevier B.V., All rights reserved.

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title = "Band mapping of the model insulator Sr2CuO2Cl2-Dispersion of a single hole in an antiferromagnetic background",

abstract = "We report angle resolved photoemission measurements on Sr2CuO2Cl2, an insulating layered copper oxide. We map the energy-momentum dispersion of the highest energy band. We find that the width of this band is consistent with calculations based on variations of the Hubbard model. The dispersion in some directions and the position of the valence band maximum at ( π 2, π 2) match predictions of the t - J model. However the overall shape of the band differs from these predictions. A comparison of our data with spectra previously reported on metallic samples leads to surprising new suggestions for the phenomenology of doping.",

author = "Wells, {B. O.} and Shen, {Z. X.} and A. Matsuura and King, {D. M.} and Kastner, {M. A.} and M. Greven and Birgeneau, {R. J.}",

note = "Funding Information: Acknowledgements-We would like to acknowledghee lpfulc onver-sationsw ith P. W. Anderson,V . Emery,E . Dagotto,R . B. Laugh-lin, I? A. Lee and D. J. Scalapino.W e thank D. S. Dessauf or help with the experimentasle t up and P. Blakesleefo r assistance in characterizintgh e crystalsS. SRL is operatedb y the DOE Office of Basic Energy ScienceD, ivision of ChemicalS ciencesT.h e work at Stanfordw as supportedb y DOE Division of Materials ScienceN, SF grant DMR9357057,a nd the StanfordC enterfor MaterialsR esearchT. he work at M.I.T. was supportedb y NSF grantsn umberD MR90-22933a nd DMR93-15715. Copyright: Copyright 2015 Elsevier B.V., All rights reserved.",

year = "1995",

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doi = "10.1016/0022-3697(95)00216-2",

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AU - Wells, B. O.

AU - Shen, Z. X.

AU - Matsuura, A.

AU - King, D. M.

AU - Kastner, M. A.

AU - Greven, M.

AU - Birgeneau, R. J.

N1 - Funding Information: Acknowledgements-We would like to acknowledghee lpfulc onver-sationsw ith P. W. Anderson,V . Emery,E . Dagotto,R . B. Laugh-lin, I? A. Lee and D. J. Scalapino.W e thank D. S. Dessauf or help with the experimentasle t up and P. Blakesleefo r assistance in characterizintgh e crystalsS. SRL is operatedb y the DOE Office of Basic Energy ScienceD, ivision of ChemicalS ciencesT.h e work at Stanfordw as supportedb y DOE Division of Materials ScienceN, SF grant DMR9357057,a nd the StanfordC enterfor MaterialsR esearchT. he work at M.I.T. was supportedb y NSF grantsn umberD MR90-22933a nd DMR93-15715. Copyright: Copyright 2015 Elsevier B.V., All rights reserved.

PY - 1995/12

Y1 - 1995/12

N2 - We report angle resolved photoemission measurements on Sr2CuO2Cl2, an insulating layered copper oxide. We map the energy-momentum dispersion of the highest energy band. We find that the width of this band is consistent with calculations based on variations of the Hubbard model. The dispersion in some directions and the position of the valence band maximum at ( π 2, π 2) match predictions of the t - J model. However the overall shape of the band differs from these predictions. A comparison of our data with spectra previously reported on metallic samples leads to surprising new suggestions for the phenomenology of doping.

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