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Phys. Rev. B 76, 115105 (2007) [5 pages]

Anisotropy in the magnetic and electrical transport properties of Fe1−xCrxSb2

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Rongwei Hu1,2, V. F. Mitrović2, and C. Petrovic1
1Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
2Department of Physics, Brown University, Providence, Rhode Island 02912, USA

Received 1 May 2007; revised 27 June 2007; published 10 September 2007

We have investigated anisotropy in magnetic and electrical transport properties of Fe1−xCrxSb2 (0⩽x⩽1) single crystals. The magnetic ground state of the system evolves from paramagnetic to antiferromagnetic with gradual substitution of Fe with Cr. Anisotropy in electrical transport diminishes with increased Cr substitution and fades away by x=0.5. We find that the variable range hopping conduction mechanism dominates at low temperatures for 0.4⩽x⩽0.75.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.76.115105
DOI:
10.1103/PhysRevB.76.115105
PACS:
71.28.+d, 71.20.Nr, 75.50.Pp, 75.30.−m
 
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