Evaluation of the specific heat of diamond from its Raman frequencies

Krishnamurti, D. (1951) Evaluation of the specific heat of diamond from its Raman frequencies Proceedings of the Indian Academy of Sciences, Section A, 34 (2). pp. 121-126. ISSN 0370-0089

PDF - Publisher Version

Official URL: http://www.ias.ac.in/j_archive/proca/34/2/121-126/...

Related URL: http://dx.doi.org/10.1007/BF03173275


The specific heat of diamond is evaluated from the knowledge of its vibration spectrum obtained principally from Raman effect studies. The vibration spectrum is known to consist of eight discrete monochromatic frequencies followed by a continuous spectrum of elastic vibrations. Accordingly, the specific heat is expressed as the sum of eight Einstein functions, supplemented by three Debye functions representing respectively the three types of elastic vibration possible in the crystal. A close agreement is found between the calculated and the experimental values over the entire range of temperatures between 70°K and 1100°K, which is all the more significant in view of the calculations being completely independent of the specific heat data themselves.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
ID Code:33311
Deposited On:31 Mar 2011 08:01
Last Modified:17 May 2016 16:09

Repository Staff Only: item control page