Homogeneous nucleation and glass transition temperatures in solutions of Li salts in D2O and H2O. Doubly unstable glass regions

Charles Angell, E. J. Sare, J. Donnella, D. R. MacFarlane

Research output: Contribution to journalArticle

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Abstract

Various lithium salt solutions in water and D2O have been studied to determine the regions of composition in which bulk samples can be vitrified during cooling, and also those regions in which even micron-size samples cannot be prevented from crystallizing. The respective glass transition temperatures and homogeneous nucleation temperatures have been determined. There is an interesting intermediate region where, at normal cooling rates, bulk samples fail to nucleate at the expected temperature due, evidently, to slow growth of critical fluctuations. In this region samples may be obtained as glasses which have a special instability toward crystallization. These are of much interest since they provide a means of studying the poorly understood homogeneous nucleation phenomenon in bulk samples under conditions in which the process can be promoted, and also arrested for study, at will.

Original languageEnglish (US)
Pages (from-to)1461-1464
Number of pages4
JournalJournal of Physical Chemistry
Volume85
Issue number11
StatePublished - 1981
Externally publishedYes

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glass transition temperature
Nucleation
Salts
nucleation
salts
Cooling
Glass
glass
Crystallization
Lithium
Temperature
Water
cooling
Chemical analysis
lithium
Glass transition temperature
crystallization
temperature
water

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Homogeneous nucleation and glass transition temperatures in solutions of Li salts in D2O and H2O. Doubly unstable glass regions. / Angell, Charles; Sare, E. J.; Donnella, J.; MacFarlane, D. R.

In: Journal of Physical Chemistry, Vol. 85, No. 11, 1981, p. 1461-1464.

Research output: Contribution to journalArticle

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