Document Detail

Boson Peak in Deeply Cooled Confined Water: A Possible Way to Explore the Existence of the Liquid-to-Liquid Transition in Water.
MedLine Citation:
PMID:  24972226     Owner:  NLM     Status:  In-Data-Review    
The boson peak in deeply cooled water confined in nanopores is studied with inelastic neutron scattering. We show that in the (P, T) plane, the locus of the emergence of the boson peak is nearly parallel to the Widom line below ∼1600  bar. Above 1600 bar, the situation is different and from this difference the end pressure of the Widom line is estimated. The frequency and width of the boson peak correlate with the density of water, which suggests a method to distinguish the hypothetical "low-density liquid" and "high-density liquid" phases in deeply cooled water.
Zhe Wang; Kao-Hsiang Liu; Peisi Le; Mingda Li; Wei-Shan Chiang; Juscelino B Leão; John R D Copley; Madhusudan Tyagi; Andrey Podlesnyak; Alexander I Kolesnikov; Chung-Yuan Mou; Sow-Hsin Chen
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Publication Detail:
Type:  Journal Article     Date:  2014-06-12
Journal Detail:
Title:  Physical review letters     Volume:  112     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-06-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  237802     Citation Subset:  IM    
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