NMR study of the normal spinel FeCr2S4 at low temperatures
N. M. KovtunDonetsk Physicotechnical Institute, Academy of Sciences of the Ukrainian SSRV. K. ProkopenkoDonetsk Physicotechnical Institute, Academy of Sciences of the Ukrainian SSRYu. I. ProkhorenkoDonetsk Physicotechnical Institute, Academy of Sciences of the Ukrainian SSRA. A. ShemyakovDonetsk Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR
ABI
Аннотация
The NMR spectra of the normal ferrimagnetic spinel FeCr2S4 have been studied in the temperature range 2–77°K. In the vicinity of 10°K a transition is observed from the dynamical Jahn-Teller distortions of the symmetry of the surroundings of the tetrahedral Fe2+ ions, occurring at high temperatures, to static distortions.
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