Abstract

The dielectric properties of a linear chain compound, (CH3)3NHCdCl3 (TRMCC) have been studied in the frequency range 1 Hz-10 MHz and the temperature range 150-400 K. It is shown that the dielectric constant, which is measured along the directions normal to the chain axis, increases with temperature and shows relaxations of the Debye type. The relaxation mechanism is discussed and attributed to reorientations of trimethyl ammonium (TRM) ions which are in an asymmetric double-well potential. The activation energy of reorientation is assumed from the plot of the loss peaks to be 57.59 kJ mol-1.

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