We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
On determination of the Grüneisen parameter from experimental data.
- Authors
Magomedov, M.
- Abstract
It is shown that the widely used method for determining Grüneisen parameter γ of a solid from experimental data on thermal expansion coefficient α, elastic modulus B, volume V, and heat capacity C, γ = α B V/ C, is valid only when the Debye temperature Θ does not depend on temperature T. It is shown that if function Θ exhibits a temperature dependence, this method becomes not quite correct (especially for quantum crystals). A correct expression is derived for calculating the Grüneisen parameter and the upper and lower bounds for function γ( T) are determined.
- Subjects
CRYSTALLOGRAPHY; THERMAL expansion; PHYSICAL sciences; TEMPERATURE; CRYSTALS
- Publication
Technical Physics, 2010, Vol 55, Issue 9, p1382
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/S1063784210090240