Spin-lattice relaxation of Fe3 in ZnS ; experimental evidence for optical phononsReportar como inadecuado




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Abstract : The spin-lattice relaxation of the Fe3+ ion in cubic ZnS has been studied between 1.3 and 300 K by pulse saturation, progressive saturation and broadening of the E.P.R. line. In ZnS, the Fe3+ ion is more strongly coupled to the lattice than the isoelectronic ion Mn2+. For T > 50 K, the optical phonons contribute to the relaxation, and are responsible for a strong line broadening at 300 K.

Keywords : electron spin lattice relaxation II VI semiconductors lattice phonons paramagnetic resonance of iron group ions and impurities zinc compounds





Autor: A. Deville B. Gaillard C. Blanchard A. Landi

Fuente: https://hal.archives-ouvertes.fr/



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