Structure and magnetism of NiFeMnGaxSn1-x (x=0, 0.25, 0.5, 0.75, 1.00) Heusler compounds

Authors

Jace Waybright, South Dakota State UniversityFollow
Lee Halbritter, South Dakota State UniversityFollow
Bishnu Dahal, UnFollow
Hanyang Qian, Changzhou UniversityFollow
Yung Huh, South Dakota State UniversityFollow
Pavel LukashevFollow
Parashu Kharel, South Dakota State UniversityFollow

Document Type

Article

Publication Version

Published Version

Journal/Book/Conference Title Title

AIP Advances

Volume

9

Issue

3

Abstract

The crystal structure and magnetic properties of NiFeMnGa_xSn_1-x (x = 0, 0.25, 0.50, 0.75 and 1.00) Heusler compounds have been investigated experimentally and theoretically. The computational results suggest that NiFeMnGa_0.75Sn_0.25 is nearly half-metallic with a spin polarization P of 87%. The bulk samples prepared using arc-melting and annealing exhibit a high degree of Y-type order. All the investigated samples show ferromagnetic spin order with the Curie temperatures ranging from 284 K for NiFeMnGa to 408 K for NiFeMnSn. The intermediate composition NiFeMnGa_0.75Sn_0.25, which is predicted to be nearly half metallic, has a saturation magnetization of 66.50 emu/g and Curie temperature of 326 K. These results indicate that the NiFeMnGa_0.75Sn_0.25 alloy has potential for spin-transport-based devices.

Department

Department of Physics

Comments

First published in AIP Advances v.9 n.3 (March 2019).

Original Publication Date

3-2019

DOI of published version

https://doi.org/10.1063/1.5068680

Repository

UNI ScholarWorks, University of Northern Iowa, Rod Library

Copyright

@2019 Waybright, et al.

Creative Commons License

This work is licensed under a Creative Commons Attribution 3.0 License.

Language

en

File Format

application/pdf

Recommended Citation

Waybright, Jace; Halbritter, Lee; Dahal, Bishnu; Qian, Hanyang; Huh, Yung; Lukashev, Pavel; and Kharel, Parashu, "Structure and magnetism of NiFeMnGaxSn1-x (x=0, 0.25, 0.5, 0.75, 1.00) Heusler compounds" (2019). Faculty Publications. 26.
https://scholarworks.uni.edu/phy_facpub/26