Stable magnetostructural coupling with tunable magnetoresponsive effects in hexagonal ferromagnets.
The magnetostructural coupling between the structural and the magnetic transition has a crucial role in magnetoresponsive effects in a martensitic-transition system. A combination of various magnetoresponsive effects based on this coupling may facilitate the multifunctional applications of a host material. Here we demonstrate the feasibility of obtaining a stable magnetostructural coupling over a broad temperature window from 350 to 70 K, in combination with tunable magnetoresponsive effects, in MnNiGe:Fe alloys. The alloy exhibits a magnetic-field-induced martensitic transition from paramagnetic austenite to ferromagnetic martensite. The results indicate that stable magnetostructural coupling is accessible in hexagonal phase-transition systems to attain the magnetoresponsive effects with broad tunability.
State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China.
Enke
E
Liu
Wenhong
W
Wang
Lin
L
Feng
Wei
W
Zhu
Guijiang
G
Li
Jinglan
J
Chen
Hongwei
H
Zhang
Guangheng
G
Wu
Chengbao
C
Jiang
Huibin
H
Xu
Frank
F
de Boer