Magnetic properties and magnetocaloric effect of (Fe70Ni30)(96)Mo-4 thin films grown by molecular beam epitaxy
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A(2023)
摘要
Thin films of ferromagnetic (Fe70Ni30)(96)Mo-4 were grown via molecular beam epitaxy. Their magnetic properties and magnetocaloric effects were investigated. X-ray diffraction and vibrating sample magnetometry measurements confirmed the crystalline ferromagnetic (Fe70Ni30)(96)Mo-4 phase, with a Curie point near room temperature. To determine the suitability of this material for magnetocaloric applications, we observed a large magnetic entropy change with a large temperature span as well as high relative cooling power near Curie temperature comparable to rare-earth-based materials operating near room temperature. Published under an exclusive license by the AVS.
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关键词
magnetocaloric effect,magnetic properties,thin films,molecular beam epitaxy
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