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Fizika A : a journal of experimental and theoretical physics, Vol. 13 No. 2, 2004.

Original scientific paper

Temporal behaviour of trapped centres in KCl:KBr crystals during second zone colouration

S. Kar ; Department of Physics, Jadavpur University, Kolkata - 700 032, India
A. K. Maiti ; Department of Physics, Jadavpur University, Kolkata - 700 032, India
S. Bandyopadhyay ; Department of Physics, Jadavpur University, Kolkata - 700 032, India
K. K. Ray ; Department of Physics, Jadavpur University, Kolkata - 700 032, India
A. K. Lahiri ; Department of Physics, Jadavpur University, Kolkata - 700 032, India
K. Goswami ; Department of Physics, Jadavpur University, Kolkata - 700 032, India

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Abstract

Electron injection was carried out in single crystals of KCl doped with KBr under constant temperature for different fields. The injection current and optical density were measured as functions of time. The process was stopped arbitrarily. An analytical theory has been worked out and the growth coefficient (k) has been found to behave in an anomalous way in describing the detrapping process.

Keywords

electron injection; ionic solid; growth coefficient

Hrčak ID:

301743

URI

https://hrcak.srce.hr/301743

Publication date:

2.5.2004.

Article data in other languages: croatian

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