EPR and ENDOR Investigations of an Oxygen Centre in CaF 2 | Zendy

Fuchs H. J. | Zendy; Karthe W. | Zendy; Böttcher R. | Zendy

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EPR and ENDOR Investigations of an Oxygen Centre in CaF 2

Author(s) -

Fuchs H. J.,

Karthe W.,

Böttcher R.

Publication year - 1982

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221100122

Subject(s) - electron paramagnetic resonance , oxygen , symmetry (geometry) , paramagnetism , anisotropy , spectral line , fluorine , diffusion , vacancy defect , irradiation , chemistry , materials science , crystallography , nuclear magnetic resonance , atomic physics , condensed matter physics , physics , nuclear physics , optics , metallurgy , geometry , thermodynamics , mathematics , organic chemistry , astronomy

A paramagnetic centre is produced in CaF 2 by oxygen diffusion and subsequent X‐irradiation. From EPR and ENDOR results it is possible to ascribe C 1 symmetry to this centre. The experimental data at measuring temperatures T ≦ 77 K can be fitted well to an oxygen‐fluorine‐vacancy complex. The anisotropy is averaged due to inner motions at room temperature and therefore in the spectra C 2v symmetry results.

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