Non-Fermi-liquid scaling in U(Cu,Al){sub 5} compounds

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We report on the electronic properties of various UCu{sub x}Al{sub 5-x} compounds (2.9{le}x{le}3.5). These compounds crystallize in the hexagonal CaCu{sub 5} structure. For all compounds, we find that the low-temperature specific heat diverges logarithmitically, which may be taken as an indication of non-Fermi-liquid scaling in these materials. Also we find a large magnetic anisotropy in all compounds studied, and we show that the magnetic anisotropy should not be neglected in the analysis of other bulk properties. Though for some of UCu{sub x}Al{sub 5-x} polycrystals non-Fermi-liquid scaling is found also in the magnetic susceptibility, comparison with single-crystal results on UCu{sub 3}Al{sub ... continued below

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12 p.

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Nakotte, H.; Buschow, K.H.J.; Brueck, E. & Klaasse, J.C.P. August 1, 1996.

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We report on the electronic properties of various UCu{sub x}Al{sub 5-x} compounds (2.9{le}x{le}3.5). These compounds crystallize in the hexagonal CaCu{sub 5} structure. For all compounds, we find that the low-temperature specific heat diverges logarithmitically, which may be taken as an indication of non-Fermi-liquid scaling in these materials. Also we find a large magnetic anisotropy in all compounds studied, and we show that the magnetic anisotropy should not be neglected in the analysis of other bulk properties. Though for some of UCu{sub x}Al{sub 5-x} polycrystals non-Fermi-liquid scaling is found also in the magnetic susceptibility, comparison with single-crystal results on UCu{sub 3}Al{sub 2} indicates that any temperature dependence may be due to averaging anisotropic response over all crystallographic directions.

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12 p.

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INIS; OSTI as DE96012823

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  • Strongly correlated electron systems (SCES `96), Zurich (Switzerland), 19-22 Aug 1996

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  • Other: DE96012823
  • Report No.: LA-UR--96-2234
  • Report No.: CONF-9608119--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 379110
  • Archival Resource Key: ark:/67531/metadc678501

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  • August 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 29, 2016, 10:05 p.m.

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Nakotte, H.; Buschow, K.H.J.; Brueck, E. & Klaasse, J.C.P. Non-Fermi-liquid scaling in U(Cu,Al){sub 5} compounds, article, August 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc678501/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.