Anisotropy in magnetic and transport properties of Fe1-xCoxSb2

Details Anisotropy in magnetic and transport properties of Fe1-xCoxSb2 Anisotropy in magnetic and transport properties of Fe1-xCoxSb2

2008-01-09

arxiv.org/abs/0801.1350v2

PHYSICAL REVIEW B 74 (19): 195130 (2006)

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 6 figures

Scientific paper

10.1103/PhysRevB.74.195130

Anisotropic magnetic and electronic transport measurements were carried out on large single crystals of Fe1-xCoxSb2 (0<= x <=1). The semiconducting state of FeSb2 evolves into metallic and weakly ferromagnetic by substitution of Fe with Co for x<0.5. Further doping induces structural transformation from orthorhombic Pnnm structure of FeSb2 to monoclinic P21/c structure of CoSb2 where semiconducting and diamagnetic ground state is restored again. Large magnetoresistance and anisotropy in electronic transport were observed.

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