Document Detail

Electronic structure inheritance and pressure-induced polyamorphism in lanthanide-based metallic glasses.
MedLine Citation:
PMID:  23005956     Owner:  NLM     Status:  In-Data-Review    
We report that a series of lanthanide-based bulk metallic glasses show a pressure-induced polyamorphic phase transition observed by in situ angle-dispersive x-ray diffraction under high pressures. The transition started from a low-density state at lower pressures, and went through continuous densification ending with a high-density state at higher pressures. We demonstrate that, under high pressure, this new type of polyamorphism in densely packed metallic glasses is inherited from its lanthanide-solvent constituent and related to the electronic structure of 4f electrons. The found electronic structure inheritance could provide the guidance for designing new metallic glasses with unique functional physical properties.
G Li; Y Y Wang; P K Liaw; Y C Li; R P Liu
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Publication Detail:
Type:  Journal Article     Date:  2012-09-18
Journal Detail:
Title:  Physical review letters     Volume:  109     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-09-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  125501     Citation Subset:  IM    
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China and Department of Materials Science and Engineering, The University of Tennessee, Knoxville, Tennessee 37996, USA.
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