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Pressure and magnetic field effects in heavy-fermion UCu.sub.3.5./sub.Al.sub.1.5./sub..
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SYSNO ASEP 0336181 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Pressure and magnetic field effects in heavy-fermion UCu3.5Al1.5. Title Vliv tlaku a magnetického pole na heavy-fermionové chování UCu3.5Al1.5. Author(s) Nasreen, F. (US)
Kothapalli, K. (US)
Nakotte, H. (US)
Alsmadi, A.M. (JO)
Zapf, V. (US)
Fabris, F. (US)
Lacerda, A. (US)
Kamarád, Jiří (FZU-D) RID, ORCIDNumber of authors 8 Source Title Journal of Applied Physics. - : AIP Publishing - ISSN 0021-8979
Roč. 105, č. 7 (2009), 07E112/1-07E112/3Number of pages 3 s. Language eng - English Country US - United States Keywords aluminium alloys ; copper alloys ; crystallisation ; heavy fermion systems ; high-pressure effects ; long-range order ; magnetic field effects ; magnetoresis Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/09/1027 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100521 - FZU-D (2005-2011) UT WOS 000266633500643 DOI 10.1063/1.3067588 Annotation UCu3.5Al1.5 is a heavy-fermion compound, which crystallizes in the hexagonal CaCu5 structure, and it was reported to exhibit non-Fermi-liquid scaling at low temperatures. We report on the measurements of the electrical resistivity and magnetoresistance as a function of temperature (2–150 K), pressure (0–10 kbar), and applied magnetic field (0–18 T). The results provide evidence that, for UCu3.5Al1.5, application of pressure and/or magnetic field tends to suppress non-Fermi-liquid scaling and a tendency toward long-range magnetic correlations is observed for temperatures below 20 K, although there is no clear evidence of long-range order in the available pressure and field range. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
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