Frequency dependence on the temperature in nuclear quadrupole resonance of sodium bromate

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1968

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Virginia Polytechnic Institute

Abstract

The pure quadrupole resonant frequency dependence on temperature of the Br79 isotope was examined from 4.2°K to 346°K. These data were fitted with the Bayer theory as extended by Kushida. The inequality of the two assumed modes of bromate-group vibration as well as the possibility of temperature dependence associated with these bromate-group vibrations were considered. Results indicate that a temperature dependence of the bromate-group vibrations must be included for temperature regions larger than 4.2°K to 100°K. A greater temperature range is necessary in order to determine ·whether or not the t wo assumed modes of bromate-group vibration are equal.

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