Search for magnetic field induced gap in a high-Tc superconductor

G. Mihály; A. Halbritter; L. Mihály; L. Forró

doi:10.1016/S0038-1098(00)00306-9

Search for magnetic field induced gap in a high-T_c superconductor

G. Mihály
, A. Halbritter
, L. Mihály
, L. Forró

Physics and Astronomy

Swiss Federal Institute of Technology Lausanne

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

1 Scopus citations

Abstract

Break junctions made of the optimally doped high-temperature superconductor Bi₂Sr₂Ca₂CuO₈ with T_c of 90 K has been investigated in magnetic fields up to 12 T, at temperatures from 4.2 K to T_c. The junction resistance varied between 1 and 300 kΩ. The differential conductance at low biases did not exhibit a significant magnetic field dependence, indicating that a magnetic field induced gap, if exists, must be smaller than 0.25 meV.

Original language	English
Pages (from-to)	197-200
Number of pages	4
Journal	Solid State Communications
Volume	116
Issue number	4
DOIs	https://doi.org/10.1016/S0038-1098(00)00306-9
State	Published - Sep 15 2000

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title = "Search for magnetic field induced gap in a high-Tc superconductor",

abstract = "Break junctions made of the optimally doped high-temperature superconductor Bi2Sr2Ca2CuO8 with Tc of 90 K has been investigated in magnetic fields up to 12 T, at temperatures from 4.2 K to Tc. The junction resistance varied between 1 and 300 kΩ. The differential conductance at low biases did not exhibit a significant magnetic field dependence, indicating that a magnetic field induced gap, if exists, must be smaller than 0.25 meV.",

author = "G. Mih{\'a}ly and A. Halbritter and L. Mih{\'a}ly and L. Forr{\'o}",

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AU - Mihály, G.

AU - Halbritter, A.

AU - Mihály, L.

AU - Forró, L.

PY - 2000/9/15

Y1 - 2000/9/15

N2 - Break junctions made of the optimally doped high-temperature superconductor Bi2Sr2Ca2CuO8 with Tc of 90 K has been investigated in magnetic fields up to 12 T, at temperatures from 4.2 K to Tc. The junction resistance varied between 1 and 300 kΩ. The differential conductance at low biases did not exhibit a significant magnetic field dependence, indicating that a magnetic field induced gap, if exists, must be smaller than 0.25 meV.

AB - Break junctions made of the optimally doped high-temperature superconductor Bi2Sr2Ca2CuO8 with Tc of 90 K has been investigated in magnetic fields up to 12 T, at temperatures from 4.2 K to Tc. The junction resistance varied between 1 and 300 kΩ. The differential conductance at low biases did not exhibit a significant magnetic field dependence, indicating that a magnetic field induced gap, if exists, must be smaller than 0.25 meV.

UR - https://www.scopus.com/pages/publications/0343878805

U2 - 10.1016/S0038-1098(00)00306-9

DO - 10.1016/S0038-1098(00)00306-9

M3 - Article

AN - SCOPUS:0343878805

SN - 0038-1098

VL - 116

SP - 197

EP - 200

JO - Solid State Communications

JF - Solid State Communications

IS - 4

ER -

Search for magnetic field induced gap in a high-T_c superconductor

Abstract

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