Aggregation of Bismuth in NaCl Crystals | Zendy

Stoicescu Gh. | Zendy; Nistor S. V. | Zendy; Mateescu C. D. | Zendy

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Aggregation of Bismuth in NaCl Crystals

Author(s) -

Stoicescu Gh.,

Nistor S. V.,

Mateescu C. D.

Publication year - 1989

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.2221560204

Subject(s) - bismuth , vacancy defect , ion , irradiation , activation energy , materials science , atmosphere (unit) , dipole , crystallography , analytical chemistry (journal) , chemistry , metallurgy , physics , thermodynamics , nuclear physics , chromatography , organic chemistry

The aggregation of Bi 3+ —vacancy dipoles in NaCl single crystals grown in a reactive atmosphere is studied by monitoring the changes in the intensity of the C‐band attributed to Bi 3+ ions. An apparent third‐order reaction is observed to govern the aggregation process in the early stages, with an activation energy of 0.79 eV. No ESR signals attributed to Bi 2+ centres are observed before or after X‐irradiation at 77 or 300 K.

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