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Dynamics of Electric Field Screening in Semi‐Insulating ZnSe
Author(s) -
Astratov V. N.,
Furman A. S.,
Ilinskii A. V.,
Repin S. M.
Publication year - 1991
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.2221630112
Subject(s) - electric field , dynamics (music) , homogeneous , materials science , depletion region , field (mathematics) , layer (electronics) , space charge , sign (mathematics) , condensed matter physics , chemical physics , nanotechnology , physics , statistical physics , mathematics , quantum mechanics , acoustics , electron , mathematical analysis , pure mathematics
The dynamics of the screening of an external electic field in semi‐insulating ZnSe is studied. It is found that this dynamics exhibits two different regimes depending on the crystal temperature and the conditions of the preliminary illumination: expansion of the single homogeneous depletion layer or formation of numerous space charge layers of alternating sign. All these results are described within a simple model allowing for two types of deep centers with different recharging times.