首页|Magnetic and magnetocaloric effect of Er20Ho20Dy20Cu20Ni20 high-entropy metallic glass
Magnetic and magnetocaloric effect of Er20Ho20Dy20Cu20Ni20 high-entropy metallic glass
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Er20Ho20Dy20Cu20Ni20 high-entropy metallic glass exhibited excellent magnetic refrigeration material with a wide temperature range and high refrigeration capacity(RC)was reported.Er20Ho20Dy20Cu20Ni20 high-entropy metallic glass was observed with typical spin glass behavior around 15.5 K.In addition,we find that the magnetic entropy change(-△SM)originates from the sample undergoing a ferromagnetic(FM)to paramagnetic(PM)transition around 20 K.Under a field change from 0 T to 7 T,the value of maximum magnetic entropy change(-△.SmaxM)reaches 12.5 J/kg·K,and the corre-sponding value of RC reaches 487.7 J/kg in the temperature range from 6 K to 60 K.The large RC and wide temperature range make the Er20Ho20Dy20Cu20Ni20 high-entropy metallic glass be a promising material for application in magnetic refrigerators.
magnetic materialsmagnetocaloric effecthigh-entropy metallic glassmagnetic refrigerationlarge refrigeration capacity
于世霖、田路、王俊峰、赵新国、李达、莫兆军、李昺
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Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China and School of Materials Science and Engineering,University of Science and Technology of China,Shenyang 110016,China
Ganjiang Innovation Academy,Chinese Academy of Sciences,Ganzhou 341000,China
School of Materials Science and Engineering,Hebei University of Technology,Tianjin 300130,China
国家自然科学基金国家自然科学基金Ministry of Science and Technology of China
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