Investigation of Z Center Conversions in KCl:SrCl 2 . II. Dielectric Relaxation Caused by Mutual Conversions of Z 1 , Z 2 , and F Centers | Zendy

Kessler A. | Zendy; Kizler P. | Zendy

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Investigation of Z Center Conversions in KCl:SrCl 2 . II. Dielectric Relaxation Caused by Mutual Conversions of Z 1 , Z 2 , and F Centers

Author(s) -

Kessler A.,

Kizler P.

Publication year - 1984

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.2221220112

Subject(s) - impurity , dielectric , conductivity , vacancy defect , ion , relaxation (psychology) , electron , center (category theory) , polarization (electrochemistry) , materials science , chemistry , condensed matter physics , atomic physics , crystallography , optoelectronics , physics , psychology , social psychology , organic chemistry , quantum mechanics

Loss angle measurements in the course of linear heating are carried out during a mutual conversion of F, Z 1 , and Z 2 centers in KCl:SrCl 2 one into the other and of KCl:SiCl 2 containing no colour centers. It is found that besides the known losses caused by reorientation of impurity vacancy complexes, point defect surface polarization, and conductivity, also the Z 2 → F conversion causes losses. A thorough analysis of the results leads to the conclusion that a transport of electrons takes place during the Z 2 → F conversion whereas the other conversions are realized by a „transport” of ions or neutral components.

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