Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 355, Issue 13, Pages 759-775Publisher
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2009.02.006
Keywords
Amorphous metals; Metallic glasses
Funding
- National Natural Science Foundation of China [50621061, 50731008]
- MOST [2007CB613904]
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Recently, the rare earth based bulk metallic glasses (REBMGs) have attracted increasing interest due to their unique properties and potential applications as functional glassy materials. These REBMGs display many fascinating properties such as heavy fermion behavior, thermoplastic properties near room temperature, excellent magnetocaloric effect, hard magnetism, and polyamorphism, all of which are of interest not only for basic research but also for metallurgy and technology. These characteristics and properties are ascribed to the unique electronic, magnetic and atomic structures of the REBMGs. In this review paper, the fabrication, glass-forming ability, polyamorphism, elastic, thermal, and physical properties are summarized and discussed. Owing to the unique electronic structure of rare earth elements, the electric and magnetic properties of the REBMGs are especially addressed. The works have implications for seeking novel metallic glasses with controllable properties and for understanding the nature of glass formation. The development of REBMGs as functional materials might promote and extend the commercial applications of metallic glasses. (C) 2009 Elsevier B.V. All rights reserved
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