Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 358, Issue 3, Pages 637-640Publisher
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2011.10.019
Keywords
Low-temperature specific heat; Metallic glass; Cryocooler regenerator material
Funding
- National Natural Science Foundation of China [50921091, 50731008]
- MOST of China [2007CB613904, 2010CB731603]
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Low-temperature specific heat of Er-based metallic glassy composites is investigated. It is found that the low-temperature specific heat of the alloys compares favorably with that of prototype crystalline Er3Ni which is the low temperature (<15 K) cryocooler regenerator material. The Er-based glassy alloys also have wide temperature range for the large low-temperature specific heat, large magnetic entropy, and the peak of the low-temperature specific heat is tunable. The alloys combining excellent mechanical properties and tunable composition make them a potential regenerator material for small scale low-temperature cryocooler. (C) 2011 Elsevier B.V. All rights reserved.
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