Journal
APPLIED SURFACE SCIENCE
Volume 478, Issue -, Pages 1004-1008Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2019.01.271
Keywords
Magnetocaloric effect; Magnetic entropy change; Crystallographic anisotropy; Magneto-crystalline anisotropy
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Funding
- Industrial Technology Innovation program - Ministry of Trade, Industry & Energy (MOTIE), Republic of Korea through the Korea Evaluation Institute of Industrial Technology (KEIT) [10053101]
- Ministry of Trade, Industry and Energy (MOTIE)
- Korea Institute for Advancement of Technology (KIAT) through the International Cooperative RD program [P03100025]
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This study was investigated the effect of additional elements on the magnetocaloric property in MnFeMPGe (M= Zr, Hf) alloys. The magnetocaloric property of alloys depending on the decrease of the additional element was enhanced about 7.52J/kgK and 94.84J/kg at 242 K in the Mn1.2Fe0.79Zr0.01P0.6Ge0.4 alloy. We were able to deduce that the magnetocaloric property was affected by the strong magneto-crystalline anisotropy resulting from high volume % of main phase (>= 50%). The strong magneto-crystalline anisotropy was induced by the homogeneous dendritic structures and distinct main peak with plane in Mn1.2Fe0.8-x(Zr, Hf)(x)P0.6Ge0.4 (x = 0.01, 0.05, 0.1) alloys.
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