Fluorine motion in PbF2: Fe3+ studied by ESR |
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| Authors: | Jean-Michel Dance |
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| Affiliation: | Laboratoire de Chimie du Solide du C.N.R.S. Université de Bordeaux I 351, cours de la Libération, 33405, Talence Cedex, France |
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| Abstract: | The Fe3+ ion is used as an ESR probe to detect the mobility of the F? ions in the superionic conductor PbF2. At room temperature the ESR spectrum is characterized by a superhyperfine structure with 19A = 22 G. At rising temperature the s.h.f. structure collapses due to vacancy-diffusion with a hopping rate of about 4.108.s?1. |
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