期刊
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
卷 255, 期 2, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssb.201700296
关键词
density functional theory calculations; Heusler materials; magnetic cluster glasses and strain glasses; magnetocaloric effect; Monte Carlo simulations; segregation
资金
- DFG priority program ferroic cooling, SPP 1599
- DFG [INST 20876/209-1 FUGG, INST 20876/243-1 FUGG]
- Ministry of Education and Science of the Russian Federation in the framework of increase Competitiveness Program of NUST MISIS
Martensitic transformations of rapidly quenched and less rapidly cooled Heusler alloys of type Ni-Mn-X with X=Ga, In, and Sn are investigated by ab initio calculatioms. For the rapidly cooled alloys, we obtain the magnetocaloric properties near the magnetocaloric transition. For the less rapidly quenched alloys these magnetocaloric properties start to change considerably, each alloy transforms during temper-annealing into a dual-phase composite alloy. The two phases are identified to be cubic Ni-Mn-X and tetragonal NiMn.
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