Unconventional electronic structure evolution with hole doping in Bi2Sr2CaCu2O8+δ: Angle-resolved photoemission results

D. S. Marshall; D. S. Dessau; A. G. Loeser; C. H. Park; A. Y. Matsuura; J. N. Eckstein; I. Bozovic; P. Fournier; A. Kapitulnik; W. E. Spicer; Z. X. Shen

doi:10.1103/PhysRevLett.76.4841

Unconventional electronic structure evolution with hole doping in Bi₂Sr₂CaCu₂O_8+δ: Angle-resolved photoemission results

D. S. Marshall, D. S. Dessau, A. G. Loeser, C. H. Park, A. Y. Matsuura, J. N. Eckstein, I. Bozovic, P. Fournier, A. Kapitulnik, W. E. Spicer, Z. X. Shen

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

Abstract

We report angle-resolved photoemission results on Bi₂Sr₂Ca_1-xDy_xCu₂O _8+δ and oxygen depleted Bi₂Sr₂CaCu₂O_8+δ investigating the electronic structure changes above T_c in materials with hole doping levels ranging from insulating to slightly overdoped. Near optimal hole doping, the Fermi surface is large and consistent with band calculations. In underdoped samples with T_c of 60-70 K, portions of this Fermi surface are not seen. This change is related to the opening of an energy gap near (π 0) above T_c.

Original language	English (US)
Pages (from-to)	4841-4844
Number of pages	4
Journal	Physical review letters
Volume	76
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.76.4841
State	Published - 1996
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Marshall, D. S., Dessau, D. S., Loeser, A. G., Park, C. H., Matsuura, A. Y., Eckstein, J. N., Bozovic, I., Fournier, P., Kapitulnik, A., Spicer, W. E., & Shen, Z. X. (1996). Unconventional electronic structure evolution with hole doping in Bi₂Sr₂CaCu₂O_8+δ: Angle-resolved photoemission results. Physical review letters, 76(25), 4841-4844. https://doi.org/10.1103/PhysRevLett.76.4841

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abstract = "We report angle-resolved photoemission results on Bi2Sr2Ca1-xDyxCu2O 8+δ and oxygen depleted Bi2Sr2CaCu2O8+δ investigating the electronic structure changes above Tc in materials with hole doping levels ranging from insulating to slightly overdoped. Near optimal hole doping, the Fermi surface is large and consistent with band calculations. In underdoped samples with Tc of 60-70 K, portions of this Fermi surface are not seen. This change is related to the opening of an energy gap near (π 0) above Tc.",

author = "Marshall, {D. S.} and Dessau, {D. S.} and Loeser, {A. G.} and Park, {C. H.} and Matsuura, {A. Y.} and Eckstein, {J. N.} and I. Bozovic and P. Fournier and A. Kapitulnik and Spicer, {W. E.} and Shen, {Z. X.}",

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AU - Marshall, D. S.

AU - Dessau, D. S.

AU - Loeser, A. G.

AU - Park, C. H.

AU - Matsuura, A. Y.

AU - Eckstein, J. N.

AU - Bozovic, I.

AU - Fournier, P.

AU - Kapitulnik, A.

AU - Spicer, W. E.

AU - Shen, Z. X.

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