Properties of the superconductor (Sr, Ca)-La-Cu-O system in various sintering atmosphere

Yoshitami Saito; Takashi Noji; Akihiko Endo; Nozomu Matsuzaki; Masao Katsumata; Naoaki Higuchi

doi:10.1143/JJAP.26.L366

Properties of the superconductor (Sr, Ca)-La-Cu-O system in various sintering atmosphere

Yoshitami Saito, Takashi Noji, Akihiko Endo, Nozomu Matsuzaki, Masao Katsumata, Naoaki Higuchi

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

4 Citations (Scopus)

Abstract

A sort of the layered perovskite (Sr_1-zCa_z)_0.15La_1.85CuO_4-y was prepared by a ceramic technique. Electrical resistance was measured for the various substitution ratio z. It exhibited the highest T_c value at z=0.03. The dependence of T_c upon the composition of sintering atmosphere (N₂-O₂ mixed gas) was also studied. At the oxygen partial pressure of 530 Torr, T_c exhibited the highest value.

Original language	English
Pages (from-to)	L366-L367
Journal	Japanese journal of applied physics
Volume	26
Issue number	4 A
DOIs	https://doi.org/10.1143/JJAP.26.L366
Publication status	Published - 1987 Apr
Externally published	Yes

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "A sort of the layered perovskite (Sr1-zCaz)0.15La1.85CuO4-y was prepared by a ceramic technique. Electrical resistance was measured for the various substitution ratio z. It exhibited the highest Tc value at z=0.03. The dependence of Tc upon the composition of sintering atmosphere (N2-O2 mixed gas) was also studied. At the oxygen partial pressure of 530 Torr, Tc exhibited the highest value.",

author = "Yoshitami Saito and Takashi Noji and Akihiko Endo and Nozomu Matsuzaki and Masao Katsumata and Naoaki Higuchi",

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AU - Saito, Yoshitami

AU - Noji, Takashi

AU - Endo, Akihiko

AU - Matsuzaki, Nozomu

AU - Katsumata, Masao

AU - Higuchi, Naoaki

PY - 1987/4

Y1 - 1987/4

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AB - A sort of the layered perovskite (Sr1-zCaz)0.15La1.85CuO4-y was prepared by a ceramic technique. Electrical resistance was measured for the various substitution ratio z. It exhibited the highest Tc value at z=0.03. The dependence of Tc upon the composition of sintering atmosphere (N2-O2 mixed gas) was also studied. At the oxygen partial pressure of 530 Torr, Tc exhibited the highest value.

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Properties of the superconductor (Sr, Ca)-La-Cu-O system in various sintering atmosphere

Abstract

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