Superconductivity of La2-xSrxCuO4 with high strontium concentration by sulphur doping

S. Fujihara; H. Kozuka; T. Yoko; S. Sakka

doi:10.1007/BF00353194

Superconductivity of La_2-xSr_xCuO₄ with high strontium concentration by sulphur doping

S. Fujihara, H. Kozuka, T. Yoko, S. Sakka

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

Abstract

The effects of sulphur substitution for oxygen on the structure and properties of nonsuperconducting La_2-xSr_xCuO₄, where x=0.26 and 0.30, have been studied. In La_2-xSr_xCuO _4-y-S_y, the sulphur-doped samples exhibit superconducting transition at 37-39 K and a larger Meissner effect than undoped samples. It was found that the superconductivity of La_2-xSr_xCuO_4-yS_y is apparently determined by the value of x-y and the strontium concentration region in which La_2-xSr_xCuO₄ shows superconductivity shifts to higher strontium concentrations with sulphur doping.

Original language	English
Pages (from-to)	3874-3878
Number of pages	5
Journal	Journal of Materials Science
Volume	28
Issue number	14
DOIs	https://doi.org/10.1007/BF00353194
Publication status	Published - 1993 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "Superconductivity of La2-xSrxCuO4 with high strontium concentration by sulphur doping",

abstract = "The effects of sulphur substitution for oxygen on the structure and properties of nonsuperconducting La2-xSrxCuO4, where x=0.26 and 0.30, have been studied. In La2-xSrxCuO 4-y-Sy, the sulphur-doped samples exhibit superconducting transition at 37-39 K and a larger Meissner effect than undoped samples. It was found that the superconductivity of La2-xSrxCuO4-ySy is apparently determined by the value of x-y and the strontium concentration region in which La2-xSrxCuO4 shows superconductivity shifts to higher strontium concentrations with sulphur doping.",

author = "S. Fujihara and H. Kozuka and T. Yoko and S. Sakka",

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AU - Fujihara, S.

AU - Kozuka, H.

AU - Yoko, T.

AU - Sakka, S.

PY - 1993/1/1

Y1 - 1993/1/1

N2 - The effects of sulphur substitution for oxygen on the structure and properties of nonsuperconducting La2-xSrxCuO4, where x=0.26 and 0.30, have been studied. In La2-xSrxCuO 4-y-Sy, the sulphur-doped samples exhibit superconducting transition at 37-39 K and a larger Meissner effect than undoped samples. It was found that the superconductivity of La2-xSrxCuO4-ySy is apparently determined by the value of x-y and the strontium concentration region in which La2-xSrxCuO4 shows superconductivity shifts to higher strontium concentrations with sulphur doping.

AB - The effects of sulphur substitution for oxygen on the structure and properties of nonsuperconducting La2-xSrxCuO4, where x=0.26 and 0.30, have been studied. In La2-xSrxCuO 4-y-Sy, the sulphur-doped samples exhibit superconducting transition at 37-39 K and a larger Meissner effect than undoped samples. It was found that the superconductivity of La2-xSrxCuO4-ySy is apparently determined by the value of x-y and the strontium concentration region in which La2-xSrxCuO4 shows superconductivity shifts to higher strontium concentrations with sulphur doping.

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Superconductivity of La_2-xSr_xCuO₄ with high strontium concentration by sulphur doping

Abstract

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