Magnetoresistance in a well-annealed sample of UCu2Ge2

Nigam, A. K. ; Roy, S. B. ; Chaddah, P. (1999) Magnetoresistance in a well-annealed sample of UCu2Ge2 Physical Review B: Condensed Matter and Materials Physics, 60 (5). pp. 3002-3004. ISSN 1098-0121

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Results are presented of magnetoresistance measurements in a well-annealed sample of UCu2Ge2. Between the as cast sample and the annealed sample, a significant difference in the low temperature behavior has been observed. A fairly large positive magnetoresistance is observed in the temperature regime below ~50 K in the annealed sample whereas earlier study on the as cast sample had shown a metamagnetic behavior at low temperatures. The measurements suggest the presence of antiferromagnetic interactions in this compound, even in the well-annealed sample, which has been otherwise characterized as a ferromagnet.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:84607
Deposited On:27 Feb 2012 13:06
Last Modified:27 Feb 2012 13:06

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