Magnetic correlations in the disordered ferromagnetic alloy Ni-V revealed with small angle neutron scattering

A. Schroeder; S. Bhattarai; A Gebretsadik; H. Adawi; J.-G. Lussier; K. L. Krycka

doi:10.1063/1.5130413

AIP Advances (Jan 2020)

Magnetic correlations in the disordered ferromagnetic alloy Ni-V revealed with small angle neutron scattering

A. Schroeder,
S. Bhattarai,
A Gebretsadik,
H. Adawi,
J.-G. Lussier,
K. L. Krycka

Affiliations

A. Schroeder: Department of Physics, Kent State University, Kent Ohio 44242, USA
S. Bhattarai: Department of Physics, Kent State University, Kent Ohio 44242, USA
A Gebretsadik: Department of Physics, Kent State University, Kent Ohio 44242, USA
H. Adawi: Department of Physics, Kent State University, Kent Ohio 44242, USA
J.-G. Lussier: Department of Physics, Kent State University, Kent Ohio 44242, USA
K. L. Krycka: National Institute of Standards and Technologies, NIST Center of Neutron Research, Gaithersburg Maryland 20899, USA

DOI: https://doi.org/10.1063/1.5130413
Journal volume & issue: Vol. 10, no. 1
pp. 015036 – 015036-5

Abstract

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We present small angle neutron scattering (SANS) data collected on polycrystalline Ni1−xVx samples with x ≥ 0.10 with confirmed random atomic distribution. We aim to determine the relevant length scales of magnetic correlations in ferromagnetic samples with low critical temperatures Tc that show signs of magnetic inhomogeneities in magnetization and μSR data. The SANS study reveals signatures of long-range order and coexistence of short-range magnetic correlations in this randomly disordered ferromagnetic alloy. We show the advantages of a polarization analysis in identifying the main magnetic contributions from the dominating nuclear scattering.

Published in AIP Advances

ISSN: 2158-3226 (Online)
Publisher: AIP Publishing LLC
Country of publisher: United States
LCC subjects: Science: Physics
Website: http://aipadvances.aip.org/

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