High-pressure study on Mo-stabilized Sr-based 123 compounds YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy

Q. Xiong; Y. Q. Wang; J. W. Chu; Y. Y. Sun; K. Matsuishi; H. H. Feng; P. H. Hor; C. W. Chu

doi:10.1016/0921-4534(92)90267-G

High-pressure study on Mo-stabilized Sr-based 123 compounds YSr₂Cu_2.8Mo_0.2O_y and TbSr₂Cu_2.7Mo_0.3O_y

Q. Xiong, Y. Q. Wang, J. W. Chu, Y. Y. Sun, K. Matsuishi, H. H. Feng, P. H. Hor, C. W. Chu

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摘要

The pressure effect on the superconducting transition temperature T_c of the newly stabilized YSr₂Cu_2.8Mo_0.2O_y and TbSr₂Cu_2.7Mo_0.3O_y compounds has been examined under hydrostatic pressure. The pressure coefficient dT_c/dP was found to be+0.84 K/kbar for YSr₂Cu_2.8Mo_0.2O_y and +0.4 K/kbar for TbSr₂Cu_2.7Mo_0.3O_y. These large positive values of dT_c/dP suggest that the presence of Mo in the CuO-chain sites is crucial in the stabilization of the Sr-based 123 compounds.

原文	English
頁（從 - 到）	70-74
頁數	5
期刊	Physica C: Superconductivity and its applications
卷	198
發行號	1-2
DOIs	https://doi.org/10.1016/0921-4534(92)90267-G
出版狀態	Published - 1992 7月 20

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(92)90267-G

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@article{76fb8392d383490e815b5ca4f0c62525,

title = "High-pressure study on Mo-stabilized Sr-based 123 compounds YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy",

abstract = "The pressure effect on the superconducting transition temperature Tc of the newly stabilized YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy compounds has been examined under hydrostatic pressure. The pressure coefficient dTc/dP was found to be+0.84 K/kbar for YSr2Cu2.8Mo0.2Oy and +0.4 K/kbar for TbSr2Cu2.7Mo0.3Oy. These large positive values of dTc/dP suggest that the presence of Mo in the CuO-chain sites is crucial in the stabilization of the Sr-based 123 compounds.",

author = "Q. Xiong and Wang, {Y. Q.} and Chu, {J. W.} and Sun, {Y. Y.} and K. Matsuishi and Feng, {H. H.} and Hor, {P. H.} and Chu, {C. W.}",

note = "Funding Information: This work was supported in part by NSF Grant Funding Information: No. DMR 91-22043,D ARPA Grant No. MDA 972-88-G-002, NASA Grant No. NAGW-977, Texas Center for Superconductivity at the University of Houston, and the T.L.L. Temple Foundation.",

year = "1992",

month = jul,

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doi = "10.1016/0921-4534(92)90267-G",

language = "English",

volume = "198",

pages = "70--74",

journal = "Physica C: Superconductivity and its applications",

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TY - JOUR

T1 - High-pressure study on Mo-stabilized Sr-based 123 compounds YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy

AU - Xiong, Q.

AU - Wang, Y. Q.

AU - Chu, J. W.

AU - Sun, Y. Y.

AU - Matsuishi, K.

AU - Feng, H. H.

AU - Hor, P. H.

AU - Chu, C. W.

N1 - Funding Information: This work was supported in part by NSF Grant Funding Information: No. DMR 91-22043,D ARPA Grant No. MDA 972-88-G-002, NASA Grant No. NAGW-977, Texas Center for Superconductivity at the University of Houston, and the T.L.L. Temple Foundation.

PY - 1992/7/20

Y1 - 1992/7/20

N2 - The pressure effect on the superconducting transition temperature Tc of the newly stabilized YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy compounds has been examined under hydrostatic pressure. The pressure coefficient dTc/dP was found to be+0.84 K/kbar for YSr2Cu2.8Mo0.2Oy and +0.4 K/kbar for TbSr2Cu2.7Mo0.3Oy. These large positive values of dTc/dP suggest that the presence of Mo in the CuO-chain sites is crucial in the stabilization of the Sr-based 123 compounds.

AB - The pressure effect on the superconducting transition temperature Tc of the newly stabilized YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy compounds has been examined under hydrostatic pressure. The pressure coefficient dTc/dP was found to be+0.84 K/kbar for YSr2Cu2.8Mo0.2Oy and +0.4 K/kbar for TbSr2Cu2.7Mo0.3Oy. These large positive values of dTc/dP suggest that the presence of Mo in the CuO-chain sites is crucial in the stabilization of the Sr-based 123 compounds.

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U2 - 10.1016/0921-4534(92)90267-G

DO - 10.1016/0921-4534(92)90267-G

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SN - 0921-4534

VL - 198

SP - 70

EP - 74

JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

IS - 1-2

ER -

High-pressure study on Mo-stabilized Sr-based 123 compounds YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy

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High-pressure study on Mo-stabilized Sr-based 123 compounds YSr₂Cu_2.8Mo_0.2O_y and TbSr₂Cu_2.7Mo_0.3O_y