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

Autor: S. Bhattarai, H. Adawi, J.-G. Lussier, Kathryn Krycka, Adane Gebretsadik, Almut Schroeder
Rok vydání: 2020
Předmět:
Zdroj: AIP Advances, Vol 10, Iss 1, Pp 015036-015036-5 (2020)
ISSN: 2158-3226
DOI: 10.1063/1.5130413
Popis: We present small angle neutron scattering (SANS) data collected on polycrystalline Ni$_{1-x}$V$_x$ samples with $x\geq0.10$ with confirmed random atomic distribution. We aim to determine the relevant length scales of magnetic correlations in ferromagnetic samples with low critical temperatures $T_c$ that show signs of magnetic inhomogeneities in magnetization and $\mu$SR 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.
Comment: 4 pages, 4 figures, presented at Annual Conference on Magnetism and Magnetic Materials 2019 MMM, to be published in AIP Advances
Databáze: OpenAIRE