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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/8736

Title: THERMAL-EXPANSION OF ORTHORHOMBIC AND TETRAGONAL PHASES OF THE HIGH T(C) SUPERCONDUCTORS RE1BA2CU3OY (RE = Y, GD, DY)
Authors: PRAKASH, OM
RAO, A
PRAKASH, O
DHEER, PN
Keywords: tc
yba2cu3o7
magnetostriction
dependence
heat
Issue Date: 1993
Publisher: INDIAN ACADEMY SCIENCES
Citation: PRAMANA-JOURNAL OF PHYSICS, 41(5), 421-428
Abstract: Measurements of the coefficient of linear thermal expansion alpha have been carried out for the orthorhombic and tetragonal phases of RE1Ba2Cu3Oy(RE = Y, Gd, Dy) compounds using a high resolution capacitance dilatometer in the temperature range 77-300 K. All the superconducting samples exhibit a jump DELTAalpha at their respective transition temperatures, T(c). Evidences of, sample-to-sample variation in alpha values and dependence of DELTAalpha on the sample preparation conditions, have been obtained. The non-superconducting samples, in general, exhibit lower values of alpha possibly because of lowering of oxygen content.
URI: http://dx.doi.org/10.1007/BF02847448
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8736
http://hdl.handle.net/10054/8736
ISSN: 0304-4289
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