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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/227

Title: The interrelationship of cu effective charge and superconductivity in the t '-type gd1.85-xprxce0.15cuoy system
Authors: GUPTA, S
PRAKASH, O
PADALIA, BD
GOPALAKRISHNAN, IK
YAKHMI, JV
PATNAIK, AK
Issue Date: 2000
Publisher: IOP PUBLISHING LTD
Citation: JOURNAL OF PHYSICS-CONDENSED MATTER,12(1)L9-L12
Abstract: The lattice oxygen content (y) is measured and the effective charge (n) on Cu is calculated for the T'-type Gd1.85-xPrxCe0.15CuOy 0.0 less than or equal to x less than or equal to 1.85 compounds. It is found that the superconductive response (T-c onset) of the samples is related to n. Whenever n less than or equal to 1.87 (+/-0.01), the compounds are superconducting. The optimum T-c is seen for n similar to 1.79 which is in good agreement with the values of n (1.77 less than or equal to n less than or equal to 1.84) calculated from the reported y in different optimum TcT'-cuprates. This brings out a universality in the interrelationship between n and T-c.
URI: http://dx.doi.org/10.1088/0953-8984/12/1/102
http://dspace.library.iitb.ac.in/xmlui/handle/10054/14013
http://hdl.handle.net/100/227
ISSN: 0953-8984
Appears in Collections:Letter

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