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Thermally Stimulated Depolarization Currents in Me 2+ ‐Doped NaCl‐Type Alkali Halide Crystals
Author(s) -
Poźniak J.,
Poźniak J. K.
Publication year - 1997
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 - 10.1002/1521-3951(199704)200:2<535::aid-pssb535>3.0.co;2-u
Subject(s) - halide , alkali metal , depolarization , doping , vacancy defect , dipole , crystal (programming language) , lattice (music) , materials science , condensed matter physics , chemistry , analytical chemistry (journal) , crystallography , inorganic chemistry , physics , medicine , organic chemistry , chromatography , computer science , acoustics , programming language , endocrinology
A new equation describing the thermally stimulated depolarization (TSD) currents in Me 2+ ‐doped NaCl‐type alkali halide crystals is derived. The calculations were performed assuming the presence of Me 2+ –cation vacancy (I–V) complexes with vacancies in both nearest‐neighbour and next‐nearest‐neighbour positions in the crystal lattice. The effective dipole moments of the I–V complexes have been taken into account. TSD bands of NaCl:Mn 2+ crystals have been measured. A comparison between the experimental and calculated TSD bands is made.