Publication Date

7-25-2020

Department

Ames Laboratory; Materials Science and Engineering

Campus Units

Ames Laboratory, Materials Science and Engineering

OSTI ID+

1609160

Report Number

IS-J 10168

DOI

10.1016/j.jallcom.2020.154613

Journal Title

Journal of Alloys and Compounds

Volume Number

830

First Page

154613

Abstract

The structure and magnetic properties of Nd(Al1-xFex)2 alloys with x = 0, 0.05, 0.1 and 0.2, which adopt cubic MgCu2-type structure with space group Fd(bar over 3)m, are studied using x-ray powder diffraction, static and dynamic magnetization, and calorimetric measurements. The lattice constant decreases linearly with increasing Fe content from 8.0106(4) Å to 7.9044(4) Å. Large thermal irreversibilities between zero-field-cooled and field-cooled conditions are observed for all substituted samples. The magnetic transition temperatures exhibit a minimum for x = 0.1, and coercive fields at 2 K increase from 70 Oe for x = 0 to 6.3 kOe for x = 0.2. The absence of λ-type peak in the heat capacity data, frequency dependence of ac magnetic susceptibility, and memory effects indicate formation of a cluster-glass magnetic state when x ≥ 0.1.

DOE Contract Number(s)

AC02-07CH11358; 51571018; 2017YFB0702704

Language

en

Publisher

Iowa State University Digital Repository, Ames IA (United States)

Available for download on Thursday, March 04, 2021

Included in

Metallurgy Commons

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