Resistive transition of TlBaCaCuO in high magnetic fields

J. D. Hettinger; A. G. Swanson; J. S. Brooks; Y. Z. Huang; L. Q. Chen; Zhong Xian Zhao

doi:10.1088/0953-2048/1/6/017

Resistive transition of TlBaCaCuO in high magnetic fields

J. D. Hettinger, A. G. Swanson, J. S. Brooks, Y. Z. Huang, L. Q. Chen, Zhong Xian Zhao

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Abstract

The authors have measured the resistance of a polycrystalline sample of Tl-Ba-Ca-Cu-O as a function of temperature and magnetic field. Above T _c, they see no systematic change in resistance as a magnetic field is applied. The deviation from linearity (onset of paraconductivity) in the resistivity transition T_c has been analysed in terms of fluctuations. Application of a magnetic field has only a small effect on the paraconductivity. Below T_c, the resistivity transition has an activated behaviour with activation energies varying from 1 eV at 0 T to 40 meV at 19 T. This behaviour may be explained within the framework of Anderson's theory of thermally activated flux motion.

Original language	English (US)
Article number	017
Pages (from-to)	349-351
Number of pages	3
Journal	Superconductor Science and Technology
Volume	1
Issue number	6
DOIs	https://doi.org/10.1088/0953-2048/1/6/017
State	Published - 1989
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0953-2048/1/6/017

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title = "Resistive transition of TlBaCaCuO in high magnetic fields",

abstract = "The authors have measured the resistance of a polycrystalline sample of Tl-Ba-Ca-Cu-O as a function of temperature and magnetic field. Above T c, they see no systematic change in resistance as a magnetic field is applied. The deviation from linearity (onset of paraconductivity) in the resistivity transition Tc has been analysed in terms of fluctuations. Application of a magnetic field has only a small effect on the paraconductivity. Below Tc, the resistivity transition has an activated behaviour with activation energies varying from 1 eV at 0 T to 40 meV at 19 T. This behaviour may be explained within the framework of Anderson's theory of thermally activated flux motion.",

author = "Hettinger, {J. D.} and Swanson, {A. G.} and Brooks, {J. S.} and Huang, {Y. Z.} and Chen, {L. Q.} and Zhao, {Zhong Xian}",

year = "1989",

doi = "10.1088/0953-2048/1/6/017",

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pages = "349--351",

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TY - JOUR

T1 - Resistive transition of TlBaCaCuO in high magnetic fields

AU - Hettinger, J. D.

AU - Swanson, A. G.

AU - Brooks, J. S.

AU - Huang, Y. Z.

AU - Chen, L. Q.

AU - Zhao, Zhong Xian

PY - 1989

Y1 - 1989

N2 - The authors have measured the resistance of a polycrystalline sample of Tl-Ba-Ca-Cu-O as a function of temperature and magnetic field. Above T c, they see no systematic change in resistance as a magnetic field is applied. The deviation from linearity (onset of paraconductivity) in the resistivity transition Tc has been analysed in terms of fluctuations. Application of a magnetic field has only a small effect on the paraconductivity. Below Tc, the resistivity transition has an activated behaviour with activation energies varying from 1 eV at 0 T to 40 meV at 19 T. This behaviour may be explained within the framework of Anderson's theory of thermally activated flux motion.

AB - The authors have measured the resistance of a polycrystalline sample of Tl-Ba-Ca-Cu-O as a function of temperature and magnetic field. Above T c, they see no systematic change in resistance as a magnetic field is applied. The deviation from linearity (onset of paraconductivity) in the resistivity transition Tc has been analysed in terms of fluctuations. Application of a magnetic field has only a small effect on the paraconductivity. Below Tc, the resistivity transition has an activated behaviour with activation energies varying from 1 eV at 0 T to 40 meV at 19 T. This behaviour may be explained within the framework of Anderson's theory of thermally activated flux motion.

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ER -

Resistive transition of TlBaCaCuO in high magnetic fields

Abstract

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