Effect of nonmagnetic impurities on the magnetic resonance peak in YBa2Cu3O7

H. F. Fong; P. Bourges; Y. Sidis; L. P. Regnault; J. Bossy; A. Ivanov; D. L. Milius; Ilhan A. Aksay; B. Keimer

doi:10.1103/PhysRevLett.82.1939

Effect of nonmagnetic impurities on the magnetic resonance peak in YBa₂Cu₃O₇

H. F. Fong, P. Bourges, Y. Sidis, L. P. Regnault, J. Bossy, A. Ivanov, D. L. Milius, Ilhan A. Aksay, B. Keimer

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Abstract

The magnetic excitation spectrum of a YBa₂Cu₃O₇ crystal containing 0.5% of nonmagnetic (Zn) impurities has been determined by inelastic neutron scattering. Whereas in the pure system a sharp resonance peak at E≃40meV is observed exclusively below the superconducting transition temperature T_cthe magnetic response in the Zn-substituted system is broadened significantly and vanishes at a temperature much higher than Tc. The energy-integrated spectral weight observed near q=(π,π) increases with Zn substitution, and only about half of the spectral weight is removed at T_c.

Original language	English (US)
Pages (from-to)	1939-1942
Number of pages	4
Journal	Physical review letters
Volume	82
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.82.1939
State	Published - 1999

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.82.1939

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title = "Effect of nonmagnetic impurities on the magnetic resonance peak in YBa2Cu3O7",

abstract = "The magnetic excitation spectrum of a YBa2Cu3O7 crystal containing 0.5% of nonmagnetic (Zn) impurities has been determined by inelastic neutron scattering. Whereas in the pure system a sharp resonance peak at E≃40meV is observed exclusively below the superconducting transition temperature Tcthe magnetic response in the Zn-substituted system is broadened significantly and vanishes at a temperature much higher than Tc. The energy-integrated spectral weight observed near q=(π,π) increases with Zn substitution, and only about half of the spectral weight is removed at Tc.",

author = "Fong, {H. F.} and P. Bourges and Y. Sidis and Regnault, {L. P.} and J. Bossy and A. Ivanov and Milius, {D. L.} and Aksay, {Ilhan A.} and B. Keimer",

year = "1999",

doi = "10.1103/PhysRevLett.82.1939",

language = "English (US)",

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T1 - Effect of nonmagnetic impurities on the magnetic resonance peak in YBa2Cu3O7

AU - Fong, H. F.

AU - Bourges, P.

AU - Sidis, Y.

AU - Regnault, L. P.

AU - Bossy, J.

AU - Ivanov, A.

AU - Milius, D. L.

AU - Aksay, Ilhan A.

AU - Keimer, B.

PY - 1999

Y1 - 1999

N2 - The magnetic excitation spectrum of a YBa2Cu3O7 crystal containing 0.5% of nonmagnetic (Zn) impurities has been determined by inelastic neutron scattering. Whereas in the pure system a sharp resonance peak at E≃40meV is observed exclusively below the superconducting transition temperature Tcthe magnetic response in the Zn-substituted system is broadened significantly and vanishes at a temperature much higher than Tc. The energy-integrated spectral weight observed near q=(π,π) increases with Zn substitution, and only about half of the spectral weight is removed at Tc.

AB - The magnetic excitation spectrum of a YBa2Cu3O7 crystal containing 0.5% of nonmagnetic (Zn) impurities has been determined by inelastic neutron scattering. Whereas in the pure system a sharp resonance peak at E≃40meV is observed exclusively below the superconducting transition temperature Tcthe magnetic response in the Zn-substituted system is broadened significantly and vanishes at a temperature much higher than Tc. The energy-integrated spectral weight observed near q=(π,π) increases with Zn substitution, and only about half of the spectral weight is removed at Tc.

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DO - 10.1103/PhysRevLett.82.1939

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EP - 1942

JO - Physical Review Letters

JF - Physical Review Letters

IS - 9

ER -

Effect of nonmagnetic impurities on the magnetic resonance peak in YBa₂Cu₃O₇

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