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Anisotropy in magnetic and transport properties of Fe1-xCoxSb2

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arxiv 0801.1350 v2 pith:TYMKQQIK submitted 2008-01-09 cond-mat.str-el cond-mat.mtrl-sci

Anisotropy in magnetic and transport properties of Fe1-xCoxSb2

classification cond-mat.str-el cond-mat.mtrl-sci
keywords transportanisotropyelectronicfe1-xcoxsb2fesb2largemagneticsemiconducting
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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