Resistivity of non-Fermi liquid U2Pt2In under pressure

Details Resistivity of non-Fermi liquid U2Pt2In under pressure Resistivity of non-Fermi liquid U2Pt2In under pressure

1999-07-20

arxiv.org/abs/cond-mat/9907292v1

Physica B 281-282 (2000) 381

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages (incl. 2 figures), submitted to SCES'99, Nagano

Scientific paper

10.1016/S0921-4526(99)00933-3

Non-Fermi liquid behaviour in single-crystalline U2Pt2In has been studied by means of resistivity experiments (I||c) under hydrostatic pressure (P<1.5 GPa). At ambient pressure the resistivity rho(T) follows a power law rho~T^alpha with alpha~0.5. Upon applying pressure alpha increases. For P>1 GPa a minimum develops in rho(T). A study of the field dependence of the minimum confirms its magnetic origin. The ratio c/a is proposed as the effective control parameter, rather than the unit cell volume.

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