Pressure-induced residual resistivity anomaly in CeCu_5Au

A. Rosch; D. Jaccard; H. v. Loehneysen; H. Wilhelm; O. Stockert; S. Raymond

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arxiv cond-mat/0007322 v1 pith:PYGWB73C submitted 2000-07-20 cond-mat.str-el

Pressure-induced residual resistivity anomaly in CeCu₅Au

H. Wilhelm , S. Raymond , D. Jaccard , O. Stockert , H. v. Loehneysen , A. Rosch This is my paper

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keywords pressureresistivitycecudisordermagneticallyorderedregionresidual

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The electrical resistivity of the magnetically ordered CeCu_5Au has been investigated under pressure up to 8.5 GPa. In the magnetically ordered region (p<3.4 GPa) the residual resistivity rho_0 shows a pronounced maximum as a function of pressure. Even in the nonmagnetic region rho_0 decreases monotonically by more than a factor of three. These two effects can be qualitatively explained in terms of the interplay of pressure, magnetism and disorder in a strongly correlated electron system with weak disorder.

Pressure-induced residual resistivity anomaly in CeCu₅Au

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