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Large magnetic entropy change and adiabatic temperature rise of a ternary Gd_(34)Ni_(33)Al_(33) metallic glass |
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| Authors: | Xin Wang Qiang Wang Benzhen Tang Peng Yu Lei Xia Ding Ding |
| Affiliation: | 1. Department of Engineering, Shanghai Second Polytechnic University, Shanghai 201209, China;2. Institute of Materials, Shanghai University, Shanghai 200072, China;3. Chongqing Key Laboratory of Photo-Electric Functional Materials, College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, China |
| Abstract: | A low cost Gd34Ni33Al33 metallic glass with excellent magnetocaloric properties was successfully prepared in the present work. The magnetic properties of the ribbons were measured by constructing the relationship of magnetic entropy change (–ΔSm) on temperature as well as magnetic field. The amorphous alloy shows typical magnetocaloric behaviors, large maximum –ΔSm (11.06 J/(kg·K) under 5 T) and adiabatic temperature rise (4.3 K under 5 T) near 40 K, indicating that the low cost Gd34Ni33Al33 metallic glass is a good candidate material for low temperature magnetic refrigeration. |
| Keywords: | Amorphous materials Magneto-caloric effect Magnetic entropy change Adiabatic temperature rise Rare earths |
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