High-Field Properties of Single-Crystalline Cavo3

Details High-Field Properties of Single-Crystalline Cavo3 High-Field Properties of Single-Crystalline Cavo3

2002-02-25

arxiv.org/abs/cond-mat/0202449v1

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, including 3 figures

Scientific paper

10.1142/S0217979202013547

The magnetic properties of perovskite CaVO3 single crystals have been studied by means of magnetoresistance r(T, H) and magnetization M(H) measurements in fields to 18T. At 2 K, the magnetoresistance is positive and a maximum value of Dr(18T)/r(0) = 16.5% is found for H//a. The magnetization exhibits a smooth increase at 2 K, reaching values of M(18T) = 0.03, 0.05, 0.17 mB/f.u. for H//a, H//b, and H//c, respectively. This anisotropy found in M(H) is consistent with that observed for Dr(H//a) > Dr(H//b) > Dr(H//c). These results can be interpreted in terms of the field-dependent scattering mechanism of CaVO3.

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