THERMODYNAMIC PROPERTIES OF M(I)-M(II) MIXED NITRATE GLASSES AND SUPERCOOLED LIQUIDS.

K. J. Rao, D. B. Helphrey, Charles Angell

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Abstract

Measurements of glass transition temperatures, equivalent volumes, refractive indices, heat capacities, and sound velocities have been made on glassforming mixed nitrates M(I)NO//3 plus M(II)(NO//3)//2. When either a divalent or monovalent cation is replaced by a heavier, more polarizable cation of the same charge, T//g decreases. On the other hand the changes in expansion coefficient and heat capacity occurring at T//g are not affected when Ca(II) is replaced by Cd(II) in the KNO//3-M(II)(NO//3)//2 system. Expansion coefficients were calculated from the temperature dependence of refractive index. 36 refs.

Original languageEnglish (US)
Pages (from-to)26-32
Number of pages7
JournalPhysics and Chemistry of Glasses
Volume14
Issue number2
Publication statusPublished - Apr 1973
Externally publishedYes

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Ceramics and Composites

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