
%0 Journal Article
%A Birch, JA 
%A Collins, JG 
%A White, GK 
%T Heat Capacities and Grüneisen Parameters for NaF and NaBr below 25 K
%J Australian Journal of Physics
%D 1979/09/01
%V 32
%N 5
%P 463-468
%K 
%R https://doi.org/10.1071/PH790463
%U https://www.publish.csiro.au/paper/PH790463 
%X Heat capacities of NaF and NaBr have been measured from 2 K to around 20 K. Limiting values of the Debye temperature e~ of 488±2 K (NaF) and 224·6± 1 K (NaBr) agree with e~1 within experimental errors. Values of the Griineisen parameter y(T) lie between 0·9 and 1·1 in the range below 20K. 
