Journal
MATERIALS RESEARCH LETTERS
Volume 6, Issue 1, Pages 67-71Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21663831.2017.1393778
Keywords
Dual-phase ErZn2/ErZn composite; metal matrix composites; magnetic properties magnetocaloric effect; large refrigeration capacity; magnetic refrigeration
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Funding
- National Natural Science Foundation of China [51671048, 11374081, 51425401]
- Fundamental Research Funds for the Central Universities [N150905001, N140901001]
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Dual-phase ErZn2/ErZn composite was obtained by induction-melting method. The composite crystallizes in the phases of ErZn2 and ErZn with the weight ratio of 53.8:46.2. The composite undergoes two successive magnetic phase transitions. And accordingly two peaks (partly overlapped) are appeared in the temperature dependence of magnetic part of entropy change Delta S-M(T) curves which resulting in a table-like magnetocaloric effect (MCE) and large refrigerant capacity (RC). The MCE parameters are comparable or even larger than most of the recently reported potential magnetic refrigerant materials at similar temperature region, making the dual-phase ErZn2/ErZn composite attractive for low-temperature magnetic refrigeration. IMPACT STATEMENT Table-like magnetocaloric effect (MCE) was realized in dual-phase ErZn2/ErZn composite, the MCE parameters are comparable or even larger than most of the reported materials, making ErZn2/ErZn composite attractive for magnetic refrigeration.
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