COUPLED VIBRATIONS IN ALKALI HALOGENATES

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Title: COUPLED VIBRATIONS IN ALKALI HALOGENATES
Creators: Soriaga, M. P.; Neufeld, J.; Andermann, G.
Issue Date: 1973
Publisher: Ohio State University
Abstract: Studies based on band shape analyses indicate that for alkali halogenates, such as $NaClO_{3}, KClO_{3}, NaBrO_{3}$, and $KBrO_{3}$, the external (lattice) modes may be described as those of independent, damped harmonic oscillators. The very short lifetimes of the excited states of these modes, on the other hand, indicate the presence of coupling. The inherent contradiction of the above statements may be removed if the dissipation of lattice energy is rationalized in terms of coupling schemes which are not due to phonon-phonon interactions but require the mechanisms based on interactions involving internal modes. Direct experimental evidence on combination modes will be offered and evaluated.
Description: This work was supported in part by the National Science Foundation. Present address of J. Neufeld: Chemistry Department, University of North Carolina, Raleigh, North Carolina, 27607.
Author Institution: Department of Chemistry and Hawaii Institute of Geophysics, University of Hawaii
URI: http://hdl.handle.net/1811/16063
Other Identifiers: 1973-M-09
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