Quadrupole interactions and NMR relaxation in KSbF6
1987
The authors focus on the study of the physical properties of the low-temperature cubic phase f of KSbF/sub 6/. We give a change in the temperature dependences of the quadrupole coupling constants at the /sup 121/Sb nuclei, the spin-lattice relaxation time T/sub 1/ for the /sup 19/F nuclei, and the dielectric constant epsilon(T) in polycrystalline samples of KSbF/sub 6/. The NMR spectra of the /sup 121/Sb nuclei were recorded using a CW spectrometer at a frequency of 20 MHz. The T/sub 1/ measurements at the /sup 19/F nuclei were made using the IS-3 pulse spectrometer at a frequency of 27.2 MHz.
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