Document Detail

High Pressure Stabilization and Emergent Forms of PbH_{4}.
MedLine Citation:
PMID:  21838394     Owner:  NLM     Status:  In-Data-Review    
A wide decomposition pressure range of 132 GPa is predicted for PbH_{4} above which it emerges in very different forms compared with its group-14 congeners. This triply Born-Oppenheimer system is a nonmolecular, three-dimensional, metallic alloy, despite a prominent layered structure. A significant number of enthalpically near-degenerate structures, with exceedingly small energy barriers for distortions, and characteristic instabilities in the phonon spectra suggest that even at very high pressures PbH_{4} may exhibit both metallic and liquidlike properties and sublattice or even full melting.
Patryk Zaleski-Ejgierd; Roald Hoffmann; N W Ashcroft
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Publication Detail:
Type:  Journal Article     Date:  2011-07-11
Journal Detail:
Title:  Physical review letters     Volume:  107     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-08-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  037002     Citation Subset:  IM    
Laboratory of Atomic and Solid State Physics and Cornell Center for Materials Research, Clark Hall, Cornell University, Ithaca, New York 14853-2501, USA.
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