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Evidence for a simple monatomic ideal glass former: The thermodynamic glass transition from a stable liquid phase
KTH, School of Computer Science and Communication (CSC), Numerical Analysis, NA.
KTH, School of Computer Science and Communication (CSC), Numerical Analysis, NA.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Physical Metallurgy.
2010 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 133, no 17, 174502- p.Article in journal (Refereed) Published
Abstract [en]

Under cooling, a liquid can undergo a transition to the glassy state either as a result of a continuous slowing down or by a first-order polyamorphous phase transition. The second scenario has so far always been observed in a metastable liquid domain below the melting point where crystalline nucleation interfered with the glass formation. We report the first observation of the liquid-glass transition by a first-order polyamorphous phase transition from the equilibrium stable liquid phase. The observation was made in a molecular dynamics simulation of a one-component system with a model metallic pair potential. In this way, the model, demonstrating the thermodynamic glass transition from a stable liquid phase, may be regarded as a candidate for a simple monatomic ideal glass former. This observation is of conceptual importance in the context of continuing attempts to resolve the long-standing Kauzmann paradox. The possibility of a thermodynamic glass transition from an equilibrium melt in a metallic system also indicates a new strategy for the development of bulk metallic glass-forming alloys.

Place, publisher, year, edition, pages
2010. Vol. 133, no 17, 174502- p.
Keyword [en]
SUPERCOOLED LIQUIDS, CRYSTAL NUCLEATION, TEMPERATURE, POTENTIALS, INSIGHTS, SYSTEMS, WATER, ORDER
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-27075DOI: 10.1063/1.3493456ISI: 000283936200048Scopus ID: 2-s2.0-78650647795OAI: oai:DiVA.org:kth-27075DiVA: diva2:376321
Funder
Swedish e‐Science Research Center
Note
QC 20101210Available from: 2010-12-10 Created: 2010-12-06 Last updated: 2017-12-11Bibliographically approved

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