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

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

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
403 KB
Volume
198
Category
Article
ISSN
0921-4534

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โœฆ Synopsis

The pressure effect on the superconducting transition temperature

T, of the newly stabilized YSrZCuZ.8Mo,,20y and Tb-SrzCuZ,Mo,.jO, compounds has been examined under hydrostatic pressure. The pressure coefficient dTJd?'was found to be+0.84 K/kbar for YSr2Cu2.sMo0.z0, and + 0.4 K/kbar for TbSr2CuZ.,Mo0.,0,.

These large positive values of dT,/dP suggest that the presence of MO in the CuO-chain sites is crucial in the stabilization of the Sr-based 123 compounds.

๐Ÿ“œ SIMILAR VOLUMES

Crystal Structure and Superconductivity
Crystal Structure and Superconductivity of the Mo-Stabilized Sr-Based YSr2Cu2.7Mo0.3O7-ฮด Compound
โœ S.F. Hu; R.S. Liu; S.C. Su; D.S. Shy; D.A. Jefferson ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 502 KB

The crystal structure of the Mo-stabilized Sr-based superconductor with nominal composition \(\mathrm{YSr}_{2} \mathrm{Cu}_{2.7} \mathrm{Mo}_{0.3} \mathrm{O}_{7-\delta}\) has been analyzed by X-ray powder diffraction (XRD), electron diffraction, and high-resolution electron microscope techniques. Th