Document Detail


Electronic structure inheritance and pressure-induced polyamorphism in lanthanide-based metallic glasses.
MedLine Citation:
PMID:  23005956     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
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.
Authors:
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    
Affiliation:
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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