The study and formation of the antiferromagnetic insulators Bi2(Gd1-xCax)ySr2Cu2Oδ

Y. Y. Xue; P. H. Hor; Y. Y. Sun; Z. J. Huang; L. Gao; R. L. Meng; C. W. Chu; J. C. Ho; C. Y. Wu

doi:10.1016/0921-4534(89)90319-5

The study and formation of the antiferromagnetic insulators Bi₂(Gd_1-xCa_x)_ySr₂Cu₂O_δ

Y. Y. Xue, P. H. Hor, Y. Y. Sun, Z. J. Huang, L. Gao, R. L. Meng, C. W. Chu, J. C. Ho, C. Y. Wu

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摘要

We have studied the non-superconducting compounds Bi₂(Gd_1-xCa_x)_ySr₂Cu₂O₇ for x≤0.5 and y=0.8 or 1, structurally, electrically, magnetically and calorimetrically. Single phase antiferromagnets were found for x<0.4 and y∼0.8 only, with a maximum Néel temperature of 1.6 K for x = 0. Rietveld refinements of the X-ray diffraction data suggested that the (Bi-O) double layers act as a charge reservoir for the superconducting Bi-Ca-Sr-Cu-O (BCSCO) system. The results will be discussed with respect to the formation of the various homologous phases and the role of Ca-layers in the occurrence of superconductivity in BCSCO.

原文	English
頁（從 - 到）	211-216
頁數	6
期刊	Physica C: Superconductivity and its applications
卷	158
發行號	1-2
DOIs	https://doi.org/10.1016/0921-4534(89)90319-5
出版狀態	Published - 1989 4月 1

All Science Journal Classification (ASJC) codes

電子、光磁材料
凝聚態物理學
能源工程與電力技術
電氣與電子工程

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10.1016/0921-4534(89)90319-5

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title = "The study and formation of the antiferromagnetic insulators Bi2(Gd1-xCax)ySr2Cu2Oδ",

abstract = "We have studied the non-superconducting compounds Bi2(Gd1-xCax)ySr2Cu2O7 for x≤0.5 and y=0.8 or 1, structurally, electrically, magnetically and calorimetrically. Single phase antiferromagnets were found for x<0.4 and y∼0.8 only, with a maximum N{\'e}el temperature of 1.6 K for x = 0. Rietveld refinements of the X-ray diffraction data suggested that the (Bi-O) double layers act as a charge reservoir for the superconducting Bi-Ca-Sr-Cu-O (BCSCO) system. The results will be discussed with respect to the formation of the various homologous phases and the role of Ca-layers in the occurrence of superconductivity in BCSCO.",

author = "Xue, {Y. Y.} and Hor, {P. H.} and Sun, {Y. Y.} and Huang, {Z. J.} and L. Gao and Meng, {R. L.} and Chu, {C. W.} and Ho, {J. C.} and Wu, {C. Y.}",

note = "Funding Information: The work is supportebdy DARPA GrantN o. MDA 972-88-G-002N, SF Low TemperaturPeh ysicsP ro-gram Grant No. DMR 8616539T, exasC enterf or Superconductivitayt the University of Houston, NASA Grant No. NAGW 977, and the T.L.L. Temple Foundation.",

year = "1989",

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doi = "10.1016/0921-4534(89)90319-5",

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TY - JOUR

T1 - The study and formation of the antiferromagnetic insulators Bi2(Gd1-xCax)ySr2Cu2Oδ

AU - Xue, Y. Y.

AU - Hor, P. H.

AU - Sun, Y. Y.

AU - Huang, Z. J.

AU - Gao, L.

AU - Meng, R. L.

AU - Chu, C. W.

AU - Ho, J. C.

AU - Wu, C. Y.

N1 - Funding Information: The work is supportebdy DARPA GrantN o. MDA 972-88-G-002N, SF Low TemperaturPeh ysicsP ro-gram Grant No. DMR 8616539T, exasC enterf or Superconductivitayt the University of Houston, NASA Grant No. NAGW 977, and the T.L.L. Temple Foundation.

PY - 1989/4/1

Y1 - 1989/4/1

N2 - We have studied the non-superconducting compounds Bi2(Gd1-xCax)ySr2Cu2O7 for x≤0.5 and y=0.8 or 1, structurally, electrically, magnetically and calorimetrically. Single phase antiferromagnets were found for x<0.4 and y∼0.8 only, with a maximum Néel temperature of 1.6 K for x = 0. Rietveld refinements of the X-ray diffraction data suggested that the (Bi-O) double layers act as a charge reservoir for the superconducting Bi-Ca-Sr-Cu-O (BCSCO) system. The results will be discussed with respect to the formation of the various homologous phases and the role of Ca-layers in the occurrence of superconductivity in BCSCO.

AB - We have studied the non-superconducting compounds Bi2(Gd1-xCax)ySr2Cu2O7 for x≤0.5 and y=0.8 or 1, structurally, electrically, magnetically and calorimetrically. Single phase antiferromagnets were found for x<0.4 and y∼0.8 only, with a maximum Néel temperature of 1.6 K for x = 0. Rietveld refinements of the X-ray diffraction data suggested that the (Bi-O) double layers act as a charge reservoir for the superconducting Bi-Ca-Sr-Cu-O (BCSCO) system. The results will be discussed with respect to the formation of the various homologous phases and the role of Ca-layers in the occurrence of superconductivity in BCSCO.

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The study and formation of the antiferromagnetic insulators Bi2(Gd1-xCax)ySr2Cu2Oδ

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The study and formation of the antiferromagnetic insulators Bi₂(Gd_1-xCa_x)_ySr₂Cu₂O_δ