Possible non-Fermi-liquid behaviour in URh1/3Ni2/3Al
Prokes, K., Hagmusa, I. H., Estrela, P., Klaasse, J. C. P., Andreev, A. V., Sechovsky, V., Brueck, E. and de Boer, F. R., 2000. Possible non-Fermi-liquid behaviour in URh1/3Ni2/3Al. Physica B Condensed Matter, 281-282, pp. 377-378.
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The quasiternary intermetallic compound URh1/3Ni2/3Al crystallizes in the hexagonal ZrNiAl-type of structure, like the parent compounds URhAl (ferromagnet, TC = 27 K) and UNiAl (antiferromagnet, TN = 19 K). A delicate balance between ferromagnetic and antiferromagnetic interactions leads to suppression of magnetic order. The low-temperature properties show all attributes of a non-Fermi-liquid system, i.e. divergence of the low-temperature specific heat divided by temperature, which behaves as -ln(T/T0), divergence of the magnetic susceptibility and absence of a T2 dependence in the electrical resistivity. URh1/3Ni2/3Al also exhibits an enhanced low-temperature specific heat of 225 mJ/molU K2. The compound can be classified as a NFL system in which the magnetic phase transition is at zero kelvin.
|Creators||Prokes, K., Hagmusa, I. H., Estrela, P., Klaasse, J. C. P., Andreev, A. V., Sechovsky, V., Brueck, E. and de Boer, F. R.|
|Departments||Faculty of Engineering & Design > Electronic & Electrical Engineering|
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