Phase stability and magnetic-field-induced martensitic transformation in Mn-rich NiMnSn alloys
Source abstract
Abstract
A series of Ni50-xMn41+xSn9 (x = 0–19) alloys from Ni-rich to Mn-rich composition were prepared, and the composition dependence of phase transitions and magnetic properties were investigated. No γ-phase can be observed until x = 17. Martensitic transformation from ferromagnetic austenite to weak-magnetic or ferromagnetic martensite was observed in alloys with Mn content between 52 and 58, and magnetic-field-induced transformation was confirmed. A large magnetization change of 44 Am2/kg across the martensitic transformation is observed in Ni37Mn54Sn9. Our results indicate that Mn-rich Ni-Mn-Sn alloys show promise as metamagnetic shape memory alloys.
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Research context
OpenAlex topics: Shape Memory Alloy Transformations · Magnetic Properties and Applications · Magnetic and transport properties of perovskites and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Changshu Institute of Technology 1 Department of Physics, , Changshu 215500, People's Republic of China
Changshu Institute of Technology 2 Jiangsu Laboratory of Advanced Functional Materials, , Changshu 215500, People's Republic of China
Nanjing University 3 National Laboratory of Solid State Microstructures, Department of Physics, , Nanjing 210093, People's Republic of China
Funding
National Natural Science Foundation of China
References (20)
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