N Satyavathi
Articles written in Pramana – Journal of Physics
Volume 12 Issue 2 February 1979 pp 139-150 Solids
Raman intensity analysis of LaCl3
Raman intensity analysis of LaCl3 on lines adopted earlier for crystals like LiNO3, KNO3 or YVO4 is found to be unsuitable for LaCl3. The rotation of the LaCl3 pyramids in the unit cell of this crystal is represented by high frequencies, comparable to the internal oscillations of LaCl3 molecule. The intensity of
Volume 21 Issue 1 July 1983 pp 51-63 Solid State Physics
Evaluation of photoelastic constants from first-order Raman intensities of MgF2
G Swarna Kumari N Satyavathi N Rajeswara Rao
A formalism to connect first-order Raman intensities of MgF2 and its photoelastic constants is developed by developing a method of writing internal coordinates in terms of displacement gradients
Volume 96, 2022
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