Pinning strength dependence of mixed-state hall effect in YBa2Cu3O7 crystals with columnar defects

W. N. Kang; D. H. Kim; S. Y. Shim; J. H. Park; T. S. Hahn; S. S. Choi; W. C. Lee; J. D. Hettinger; K. E. Gray

doi:10.1103/PhysRevLett.76.2993

Pinning strength dependence of mixed-state hall effect in YBa₂Cu₃O₇ crystals with columnar defects

W. N. Kang, D. H. Kim, S. Y. Shim, J. H. Park, T. S. Hahn, S. S. Choi, W. C. Lee, J. D. Hettinger, K. E. Gray

Physics

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

73 Scopus citations

Abstract

The mixed-state Hall effect of twinned YBa₂Cu₃O₇ crystals after heavy-ion irradiation clearly showed that the strong pinning induced by columnar defects not only modifies the scaling behavior between the Hall resistivity and longitudinal resistivity, but affects the temperature dependence of the Hall conductivity. For the irradiated crystals, the scaling exponent at 4 T was found to be 1.5±0.1 compared to 2.0±0.2 for the unirradiated one. The temperature dependence of the Hall conductivity of the irradiated crystals exhibited a clear deviation from that of the unirradiated one at low temperatures.

Original language	English (US)
Pages (from-to)	2993-2996
Number of pages	4
Journal	Physical Review Letters
Volume	76
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.76.2993
State	Published - Apr 15 1996

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.76.2993

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title = "Pinning strength dependence of mixed-state hall effect in YBa2Cu3O7 crystals with columnar defects",

abstract = "The mixed-state Hall effect of twinned YBa2Cu3O7 crystals after heavy-ion irradiation clearly showed that the strong pinning induced by columnar defects not only modifies the scaling behavior between the Hall resistivity and longitudinal resistivity, but affects the temperature dependence of the Hall conductivity. For the irradiated crystals, the scaling exponent at 4 T was found to be 1.5±0.1 compared to 2.0±0.2 for the unirradiated one. The temperature dependence of the Hall conductivity of the irradiated crystals exhibited a clear deviation from that of the unirradiated one at low temperatures.",

author = "Kang, {W. N.} and Kim, {D. H.} and Shim, {S. Y.} and Park, {J. H.} and Hahn, {T. S.} and Choi, {S. S.} and Lee, {W. C.} and Hettinger, {J. D.} and Gray, {K. E.}",

year = "1996",

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doi = "10.1103/PhysRevLett.76.2993",

language = "English (US)",

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T1 - Pinning strength dependence of mixed-state hall effect in YBa2Cu3O7 crystals with columnar defects

AU - Kang, W. N.

AU - Kim, D. H.

AU - Shim, S. Y.

AU - Park, J. H.

AU - Hahn, T. S.

AU - Choi, S. S.

AU - Lee, W. C.

AU - Hettinger, J. D.

AU - Gray, K. E.

PY - 1996/4/15

Y1 - 1996/4/15

N2 - The mixed-state Hall effect of twinned YBa2Cu3O7 crystals after heavy-ion irradiation clearly showed that the strong pinning induced by columnar defects not only modifies the scaling behavior between the Hall resistivity and longitudinal resistivity, but affects the temperature dependence of the Hall conductivity. For the irradiated crystals, the scaling exponent at 4 T was found to be 1.5±0.1 compared to 2.0±0.2 for the unirradiated one. The temperature dependence of the Hall conductivity of the irradiated crystals exhibited a clear deviation from that of the unirradiated one at low temperatures.

AB - The mixed-state Hall effect of twinned YBa2Cu3O7 crystals after heavy-ion irradiation clearly showed that the strong pinning induced by columnar defects not only modifies the scaling behavior between the Hall resistivity and longitudinal resistivity, but affects the temperature dependence of the Hall conductivity. For the irradiated crystals, the scaling exponent at 4 T was found to be 1.5±0.1 compared to 2.0±0.2 for the unirradiated one. The temperature dependence of the Hall conductivity of the irradiated crystals exhibited a clear deviation from that of the unirradiated one at low temperatures.

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