Ferromagnetism in Laves-phase WFe2 nanoparticles

M. A. Koten; P. Manchanda; B. Balamurugan; R. Skomski; D. J. Sellmyer; J. E. Shield

doi:10.1063/1.4926610

Ferromagnetism in Laves-phase WFe₂ nanoparticles

M. A. Koten, P. Manchanda, B. Balamurugan, R. Skomski, D. J. Sellmyer, J. E. Shield

Physics and Astronomy

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5 Scopus citations

Abstract

While rare-earth based Laves phases are known to exhibit large magnetostriction, the magnetic properties of some binary Laves phases containing transition metals alone are not well known. This is because many of these compounds contain refractory elements that complicate melt processing due to high melting temperatures and extensive phase separation. Here, phase-pure WFe₂ nanoclusters, with the hexagonal C14 Laves structure, were deposited via inert gas condensation, allowing for the first known measurement of ferromagnetism in this phase, with M_S of 26.4 emu/g (346 emu/cm³) and a K_U of 286 kerg/cm³, at 10 K, and a T_C of 550 K.

Original language	English (US)
Article number	076101
Journal	APL Materials
Volume	3
Issue number	7
DOIs	https://doi.org/10.1063/1.4926610
State	Published - Jul 1 2015

ASJC Scopus subject areas

General Materials Science
General Engineering

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abstract = "While rare-earth based Laves phases are known to exhibit large magnetostriction, the magnetic properties of some binary Laves phases containing transition metals alone are not well known. This is because many of these compounds contain refractory elements that complicate melt processing due to high melting temperatures and extensive phase separation. Here, phase-pure WFe2 nanoclusters, with the hexagonal C14 Laves structure, were deposited via inert gas condensation, allowing for the first known measurement of ferromagnetism in this phase, with MS of 26.4 emu/g (346 emu/cm3) and a KU of 286 kerg/cm3, at 10 K, and a TC of 550 K.",

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AU - Koten, M. A.

AU - Manchanda, P.

AU - Balamurugan, B.

AU - Skomski, R.

AU - Sellmyer, D. J.

AU - Shield, J. E.

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AB - While rare-earth based Laves phases are known to exhibit large magnetostriction, the magnetic properties of some binary Laves phases containing transition metals alone are not well known. This is because many of these compounds contain refractory elements that complicate melt processing due to high melting temperatures and extensive phase separation. Here, phase-pure WFe2 nanoclusters, with the hexagonal C14 Laves structure, were deposited via inert gas condensation, allowing for the first known measurement of ferromagnetism in this phase, with MS of 26.4 emu/g (346 emu/cm3) and a KU of 286 kerg/cm3, at 10 K, and a TC of 550 K.

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Ferromagnetism in Laves-phase WFe₂ nanoparticles

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