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Effect of temperature on the electronic instability and the crystalline phase change at low temperature of V3Si type compoundsEquations assuming a Jahn-Teller type effect for the d band electrons in V3Si compounds are given, and the results of free-energy change calculations by using some approximations based on these equations are depicted. The tetragonal structure is converted to cubic as the temperature rises past T sub m which is calculated as 13 K. by the Batterman-Barrett method and is measured to be 20-5 K. Other parameters such as change of C sub p with temperature are predicted better.
Document ID
19780004924
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Labbe, J. (NASA Headquarters Washington, DC United States)
Friedel, J. (NASA Headquarters Washington, DC United States)
Date Acquired
September 3, 2013
Publication Date
November 1, 1977
Subject Category
Solid-State Physics
Report/Patent Number
NASA-TM-75179
Accession Number
78N12867
Funding Number(s)
CONTRACT_GRANT: NASW-2790
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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