Magnetic behavior of the nanophase of YbNi2 alloys

Rojas Pupo, Daniel and Ivanshin, V.A. and Gataullin, E.M. and Sukhanov, A.A. and Fernández Barquín, L. (2017). Magnetic behavior of the nanophase of YbNi2 alloys. "Physics of Metals And Metallography", v. 118 (n. 4); pp. 341-345. ISSN 1555-6190. https://doi.org/10.1134/S0031918X17040044.

Description

Title: Magnetic behavior of the nanophase of YbNi2 alloys
Author/s:
  • Rojas Pupo, Daniel
  • Ivanshin, V.A.
  • Gataullin, E.M.
  • Sukhanov, A.A.
  • Fernández Barquín, L.
Item Type: Article
Título de Revista/Publicación: Physics of Metals And Metallography
Date: April 2017
Volume: 118
Subjects:
Freetext Keywords: heavy fermions; magnetic susceptibility; electron paramagnetic resonance; nanocrystallites
Faculty: E.T.S. Arquitectura (UPM)
Department: Estructuras y Física de Edificación
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Variations in magnetic properties of the heavy-fermion YbNi2 alloy when milled in a high energy ball milling system have been investigated. The ferromagnetic transition (T C = 10.4 K) in the initial sample almost vanishes after milling, which leads to the appearance of a magnetic transition at T* = 3.2 K in nanocrystallites. Before milling, processes of spin–lattice relaxation of the Orbach–Aminov type with the participation of the first excited Stark sublevel of the Yb3+ ion located at 75 K are dominating in the electron spin dynamics in the paramagnetic phase of the alloy. A comparative study of the temperature dependence of the magnetic properties and spectra of electron paramagnetic resonance in poly- and nanocrystalline samples indicates the existence of a magnetic inhomogeneity of the compound arising upon milling.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainMAT 2014-55049-C2-RUnspecifiedUnspecifiedUnspecified

More information

Item ID: 49409
DC Identifier: http://oa.upm.es/49409/
OAI Identifier: oai:oa.upm.es:49409
DOI: 10.1134/S0031918X17040044
Official URL: https://link.springer.com/article/10.1134/S0031918X17040044
Deposited by: Memoria Investigacion
Deposited on: 13 Feb 2018 08:08
Last Modified: 13 Feb 2018 08:08
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