Strontium Substitution in SuperconductingRBa2Cu4O8(R=Gd and Ho) Compound

Motohide Matsuda; Yasuhiko Aihara; Kimihiro Yamashita; Takao Umegaki; Michihiro Miyake

doi:10.1006/jssc.1996.7198

Strontium Substitution in SuperconductingRBa₂Cu₄O₈(R=Gd and Ho) Compound

Motohide Matsuda, Yasuhiko Aihara, Kimihiro Yamashita, Takao Umegaki, Michihiro Miyake

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

2 Citations (Scopus)

Abstract

The effect of substitution of Sr for a part of Ba in superconducting GdBa₂Cu₄O₈and HoBa₂Cu₄O₈on critical temperatures and lattice constants was investigated. The critical temperatures were definitely unchanged in spite of the reduction of the unit cell which was reportedly effective for the enhancement of the critical temperature in the rare-earth element substitution. The ortho-rhombicities of unit cells increased with the Sr content, as resulted from the large shortening of theaaxis compared with thebaxis. In the present work, the dependence of the shortening of each axis on the ionic radius of a rare-earth element was found.

Original language	English
Pages (from-to)	310-312
Number of pages	3
Journal	Journal of Solid State Chemistry
Volume	128
Issue number	2
DOIs	https://doi.org/10.1006/jssc.1996.7198
Publication status	Published - Feb 1 1997

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1006/jssc.1996.7198

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abstract = "The effect of substitution of Sr for a part of Ba in superconducting GdBa2Cu4O8and HoBa2Cu4O8on critical temperatures and lattice constants was investigated. The critical temperatures were definitely unchanged in spite of the reduction of the unit cell which was reportedly effective for the enhancement of the critical temperature in the rare-earth element substitution. The ortho-rhombicities of unit cells increased with the Sr content, as resulted from the large shortening of theaaxis compared with thebaxis. In the present work, the dependence of the shortening of each axis on the ionic radius of a rare-earth element was found.",

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AU - Matsuda, Motohide

AU - Aihara, Yasuhiko

AU - Yamashita, Kimihiro

AU - Umegaki, Takao

AU - Miyake, Michihiro

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N2 - The effect of substitution of Sr for a part of Ba in superconducting GdBa2Cu4O8and HoBa2Cu4O8on critical temperatures and lattice constants was investigated. The critical temperatures were definitely unchanged in spite of the reduction of the unit cell which was reportedly effective for the enhancement of the critical temperature in the rare-earth element substitution. The ortho-rhombicities of unit cells increased with the Sr content, as resulted from the large shortening of theaaxis compared with thebaxis. In the present work, the dependence of the shortening of each axis on the ionic radius of a rare-earth element was found.

AB - The effect of substitution of Sr for a part of Ba in superconducting GdBa2Cu4O8and HoBa2Cu4O8on critical temperatures and lattice constants was investigated. The critical temperatures were definitely unchanged in spite of the reduction of the unit cell which was reportedly effective for the enhancement of the critical temperature in the rare-earth element substitution. The ortho-rhombicities of unit cells increased with the Sr content, as resulted from the large shortening of theaaxis compared with thebaxis. In the present work, the dependence of the shortening of each axis on the ionic radius of a rare-earth element was found.

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Strontium Substitution in SuperconductingRBa₂Cu₄O₈(R=Gd and Ho) Compound

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