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C R Rotundu, D Mixson, G R Stewart, and B Andraka. Specific heat of U1-xYxRu2Si2; 0< x< 0. 5: search for a hidden order. Journal of Magnetism and Magnetic Materials, 272-274, pp. e123-e124, 2004.

Rezumat: Specific heat for U1&#8722;xYxRu2Si2 alloys, with 0less-than-or-equals, slantxless-than-or-equals, slant0.5, is reported. All studied alloys showed an anomaly at a temperature Tm. Tm is rapidly reduced with x for small x (less-than-or-equals, slant0.02), increases for x=0.05, and is only weakly x-dependent for larger concentrations. This and other low temperature characteristics are consistent with the existence of two-ordered phases.

Cuvinte cheie: URu2Si2; Hidden order; Specific heat; Heavy fermions

URL: http://www.sciencedirect.com/science?_ob=ArticleURL&_aset=W-WA-A-A-B-MsSAYWA-UUW-AUDDEEUZYD-WZYDAACWA-B-U&_rdoc=1&_fmt=full&_udi=B6TJJ-4BCWWXY-30&_coverDate=01%2F25%2F2004&_cdi=5312&_orig=search&_st=13&_sort=d&view=c&_acct=C000054276&_version=1&_urlVersio

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