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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
ESCAMILLA REYES, J.L. y HARO PONIATOWSKI, E.. Scaling of the optical phonon frequency in diamond-like elements and III-V group semiconductor compounds. Rev. mex. fis. [online]. 2004, vol.50, n.6, pp.629-632. ISSN 0035-001X.
In this work, the homology in the vibrational properties of solids with diamond and zincblende crystal structure is studied. Introducing the Tolpygo's dimensionless frequency we scale the phonon dispersion curves along high-symmetry directions for diamond-like elements and some III-V semiconductor compounds (AB compounds); also, starting from the diamond-like structure element phonon frequencies, we calculate the optical phonon frequencies for such AB compounds. The agreement between theoretical and experimental data is outstanding considering the simplicity of the calculations needed to obtain these results.
Palabras llave : Anharmonicity; diamond structure; phonon dispersion curves; Raman scattering; optical-phonon channels of decay.