Frozen magnetoresistance in the magnetization reversal of granular Bi(Pb)-HTSCs

The frozen magnetoresistance of ceramic Bi(Pb)-HTSC samples is investigated as a function of the fields initiating magnetic flux trapping and the magnetization-reversing fields: R t (H i ,H r ). It is found that the R t (H r ) curves are nonmonotonic. The value of the frozen magnetoresistance decrea...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2004-06, Vol.30 (6), p.452-455
Main Authors: Sukhanov, A. A., Omelchenko, V. I.
Format: Article
Language:English
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Summary:The frozen magnetoresistance of ceramic Bi(Pb)-HTSC samples is investigated as a function of the fields initiating magnetic flux trapping and the magnetization-reversing fields: R t (H i ,H r ). It is found that the R t (H r ) curves are nonmonotonic. The value of the frozen magnetoresistance decreases substantially after application of the first H r pulse (H r
ISSN:1063-777X
1090-6517
DOI:10.1063/1.1768335