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Neutron diffraction study of a (C,Cu)(Sr,Ca)2(Y,Ca,Sr) Cu2O7 superconductor

โœ Scribed by Y. Miyazaki; H. Yamane; T. Kajitani; Y. Morii; S. Funahashi; T. Hirai


Book ID
108023568
Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
164 KB
Volume
213-214
Category
Article
ISSN
0921-4526

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๐Ÿ“œ SIMILAR VOLUMES


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A series of solid solutions containing CO3 groups, (CyCul\_y)(Srl \_z/2Caz/2)2(Y1 \_xCax\_zSrz)Cu20 d with 0.30<x <0.70, was prepared at 1313 K under the atmosphere of 02-4202. The values ofy (0.48-0.67) and z (0.14--0.28) depend on the total Ca content, x. The length of the a-axis increases from 3.

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Bulk superconductivity up to 90 K has been achieved in the Hg containing cuprate (Pb, Hg)Sr2(Cal\_xYx)Cu2OT\_6 when x= 0.3, which has the highest Tยข among the Pb based materials. The crystal structure of the newly discovered Hg containing Pb based 1212 phase has been investigated by Rietveld analysi