Weak ferromagnetism in Fe1-x Cox Sb2

Rongwei Hu; R. P. Hermann; F. Grandjean; Y. Lee; J. B. Warren; V. F. Mitrović; C. Petrovic

doi:10.1103/PhysRevB.76.224422

Weak ferromagnetism in Fe1-x Cox Sb2

Rongwei Hu, R. P. Hermann, F. Grandjean, Y. Lee, J. B. Warren, V. F. Mitrović, C. Petrovic

Neutron & X-Ray Scattering, & Thermophys

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Abstract

Weak ferromagnetism in Fe1-x Cox Sb2 is studied by magnetization and Mössbauer measurements. A small spontaneous magnetic moment of the order of ∼ 10-3 μB appears along the b axis for 0.2≤x≤0.4. Based on a structural analysis, we argue against extrinsic sources of weak ferromagnetism. We discuss our results in the framework of the nearly magnetic electronic structure of the parent compound FeSb2.

Original language	English
Article number	224422
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	76
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevB.76.224422
State	Published - Dec 20 2007

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10.1103/PhysRevB.76.224422

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AU - Hu, Rongwei

AU - Hermann, R. P.

AU - Grandjean, F.

AU - Lee, Y.

AU - Warren, J. B.

AU - Mitrović, V. F.

AU - Petrovic, C.

PY - 2007/12/20

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AB - Weak ferromagnetism in Fe1-x Cox Sb2 is studied by magnetization and Mössbauer measurements. A small spontaneous magnetic moment of the order of ∼ 10-3 μB appears along the b axis for 0.2≤x≤0.4. Based on a structural analysis, we argue against extrinsic sources of weak ferromagnetism. We discuss our results in the framework of the nearly magnetic electronic structure of the parent compound FeSb2.

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ER -

Weak ferromagnetism in Fe1-x Cox Sb2

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