Mixed-state Hall effect in Hg- And Tl-based superconducting thin films containing columnar defects

W. N. Kang; Wan Seon Kim; Sung Ik Lee; B. W. Kang; J. Z. Wu; Q. Y. Chen; W. K. Chu; C. W. Chu

doi:10.1016/S0921-4534(00)01138-2

Mixed-state Hall effect in Hg- And Tl-based superconducting thin films containing columnar defects

W. N. Kang
, Wan Seon Kim
, Sung Ik Lee
, B. W. Kang
, J. Z. Wu
, Q. Y. Chen
, W. K. Chu
, C. W. Chu

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5 引文斯高帕斯（Scopus）

摘要

We have investigated the mixed-state Hall resistivity ρ_xy and longitudinal resistivity σ_xx in HgBa₂CaCu₂O₆, HgBa₂Ca₂Cu₃O₈, and Tl₂Ba₂CaCu₂O₈ thin films for various parameters, such as densities of columnar defects, number of CuO₂ planes, and anisotropy ratios, as a function of the magnetic field up to 18 T. The scaling exponent β in ρ_xy = Aρ_xx^β is 1.9 ± 0.1 in the clean limit (CL) at high fields and low T whereas β is 1 β 0.1 in the moderately clean limit (MCL) at low fields and high T. We also find the triple sign reversal in the HgBa₂CaCu₂O₆ films containing high-density columnar defects. These results can be interpreted within the context of a recent theory based on the midgap states in the vortex core.

原文	English
頁（從 - 到）	1235-1236
頁數	2
期刊	Physica C: Superconductivity and its Applications
卷	341-348
發行號	PART 3
DOIs	https://doi.org/10.1016/S0921-4534(00)01138-2
出版狀態	Published - 2000

All Science Journal Classification (ASJC) codes

電子、光磁材料
凝聚態物理學
能源工程與電力技術
電氣與電子工程

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10.1016/S0921-4534(00)01138-2

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@article{0403a8e492eb4beab04fbc1232e297a0,

title = "Mixed-state Hall effect in Hg- And Tl-based superconducting thin films containing columnar defects",

abstract = "We have investigated the mixed-state Hall resistivity ρxy and longitudinal resistivity σxx in HgBa2CaCu2O6, HgBa2Ca2Cu3O8, and Tl2Ba2CaCu2O8 thin films for various parameters, such as densities of columnar defects, number of CuO2 planes, and anisotropy ratios, as a function of the magnetic field up to 18 T. The scaling exponent β in ρxy = Aρxxβ is 1.9 ± 0.1 in the clean limit (CL) at high fields and low T whereas β is 1 β 0.1 in the moderately clean limit (MCL) at low fields and high T. We also find the triple sign reversal in the HgBa2CaCu2O6 films containing high-density columnar defects. These results can be interpreted within the context of a recent theory based on the midgap states in the vortex core.",

author = "Kang, \{W. N.\} and Kim, \{Wan Seon\} and Lee, \{Sung Ik\} and Kang, \{B. W.\} and Wu, \{J. Z.\} and Chen, \{Q. Y.\} and Chu, \{W. K.\} and Chu, \{C. W.\}",

note = "Funding Information: This work is supported by the Korean Ministry of Science and Technology through the Creative Research Initiatives Program. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

year = "2000",

doi = "10.1016/S0921-4534(00)01138-2",

language = "English",

volume = "341-348",

pages = "1235--1236",

journal = "Physica C: Superconductivity and its Applications",

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TY - JOUR

T1 - Mixed-state Hall effect in Hg- And Tl-based superconducting thin films containing columnar defects

AU - Kang, W. N.

AU - Kim, Wan Seon

AU - Lee, Sung Ik

AU - Kang, B. W.

AU - Wu, J. Z.

AU - Chen, Q. Y.

AU - Chu, W. K.

AU - Chu, C. W.

N1 - Funding Information: This work is supported by the Korean Ministry of Science and Technology through the Creative Research Initiatives Program. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

PY - 2000

Y1 - 2000

N2 - We have investigated the mixed-state Hall resistivity ρxy and longitudinal resistivity σxx in HgBa2CaCu2O6, HgBa2Ca2Cu3O8, and Tl2Ba2CaCu2O8 thin films for various parameters, such as densities of columnar defects, number of CuO2 planes, and anisotropy ratios, as a function of the magnetic field up to 18 T. The scaling exponent β in ρxy = Aρxxβ is 1.9 ± 0.1 in the clean limit (CL) at high fields and low T whereas β is 1 β 0.1 in the moderately clean limit (MCL) at low fields and high T. We also find the triple sign reversal in the HgBa2CaCu2O6 films containing high-density columnar defects. These results can be interpreted within the context of a recent theory based on the midgap states in the vortex core.

AB - We have investigated the mixed-state Hall resistivity ρxy and longitudinal resistivity σxx in HgBa2CaCu2O6, HgBa2Ca2Cu3O8, and Tl2Ba2CaCu2O8 thin films for various parameters, such as densities of columnar defects, number of CuO2 planes, and anisotropy ratios, as a function of the magnetic field up to 18 T. The scaling exponent β in ρxy = Aρxxβ is 1.9 ± 0.1 in the clean limit (CL) at high fields and low T whereas β is 1 β 0.1 in the moderately clean limit (MCL) at low fields and high T. We also find the triple sign reversal in the HgBa2CaCu2O6 films containing high-density columnar defects. These results can be interpreted within the context of a recent theory based on the midgap states in the vortex core.

UR - https://www.scopus.com/pages/publications/0343396646

UR - https://www.scopus.com/pages/publications/0343396646#tab=citedBy

U2 - 10.1016/S0921-4534(00)01138-2

DO - 10.1016/S0921-4534(00)01138-2

M3 - Article

AN - SCOPUS:0343396646

SN - 0921-4534

VL - 341-348

SP - 1235

EP - 1236

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - PART 3

ER -

Mixed-state Hall effect in Hg- And Tl-based superconducting thin films containing columnar defects

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