Thermal conductivity of high-Tc oxides

M. Sera; S. Shamoto; M. Sato

doi:10.1016/0921-4534(91)91891-7

Thermal conductivity of high-T_c oxides

M. Sera, S. Shamoto, M. Sato

Department of Physics

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

5 Citations (Scopus)

Abstract

The thermal conductivity κ of Y(Ba_1-ySr_y)₂Cu₃O₇ and La_2-xSr_xCuO₄ has been studied. Heat carriers in the samples which exhibit superconducting transition, are found to be phonons, while in the nonsuperconducting metallic x region of La_2-xSr_xCuO₄, electrons mainly carry the heat current. Just below T_c, κ exhibits a linear increase in temperature T as T decreases, which seems to be somewhat different from the behavior expected by Tewordt et al. for the s-wave pairing.

Original language	English
Pages (from-to)	1335-1336
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	185-189
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4534(91)91891-7
Publication status	Published - 1991 Dec 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/0921-4534(91)91891-7

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abstract = "The thermal conductivity κ of Y(Ba1-ySry)2Cu3O7 and La2-xSrxCuO4 has been studied. Heat carriers in the samples which exhibit superconducting transition, are found to be phonons, while in the nonsuperconducting metallic x region of La2-xSrxCuO4, electrons mainly carry the heat current. Just below Tc, κ exhibits a linear increase in temperature T as T decreases, which seems to be somewhat different from the behavior expected by Tewordt et al. for the s-wave pairing.",

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AU - Sato, M.

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AB - The thermal conductivity κ of Y(Ba1-ySry)2Cu3O7 and La2-xSrxCuO4 has been studied. Heat carriers in the samples which exhibit superconducting transition, are found to be phonons, while in the nonsuperconducting metallic x region of La2-xSrxCuO4, electrons mainly carry the heat current. Just below Tc, κ exhibits a linear increase in temperature T as T decreases, which seems to be somewhat different from the behavior expected by Tewordt et al. for the s-wave pairing.

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JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

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Thermal conductivity of high-T_c oxides

Abstract

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