• G Lakshmi

      Articles written in Pramana – Journal of Physics

    • Site symmetry and internal strains

      R Srinivasan G Lakshmi

      More Details Abstract Fulltext PDF

      The determination of the internal strains on the coupling parameter approach becomes very involved particularly when the number of atoms per unit cell is very large. It is shown in this paper that a knowledge of the site symmetry of the atoms helps one in determining the number of non-vanishing internal strain coefficients easily. The internal strain coefficients of two symmetry connected atoms can also be related. Examples are shown to illustrate these ideas.

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