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Heavy fermion behaviour in CeRuSn3 compound

โœ Scribed by Shigeru Takayanagi; Tadasi Fukuhara; Hideyuki Sato; Nobuo Wada; Yuh Yamada

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
185 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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โœฆ Synopsis

The electrical resistivity under pressure (up to 23 kbar), magnetic susceptibility and specific heat of CeRuSn3 with cubic Pm3n structure were measured between 30 mK and 300 K. The magnetic scattering of the resistivity behaves like a dilute Kondo type. Below 1 K, the ratio C/T remarkably increases and reaches a broad maximum around 0.5 K. The magnetic susceptibility also shows a maximum at the same temperature. These results indicate a antiferromagnetic-tpye ordering induced by the RKKY-interaction between 4f-electrons below20.5 K. fermion compound with specific heat coefficient of CeRuSn3 is a new heavy 1.67 J/K mmol at 0.6 K.

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