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- Title
Effect of γ-irradiation on conductivity of cadmium-mercury-tellurium single crystals in weak and strong electric fields.
- Authors
Nurullaev, Yu.; Barkhalov, B.; Novruzova, S.
- Abstract
The effect of γ-radiation on electrical conductivity of CdHgTe (0.25 ≤ x ≤ 0.95) single crystals in weak and strong electric fields has been investigated. It has been shown that at relatively low fields in which charge carriers are still warm, the dependence (Δσ/σ) ∼ E is observed because of the dominance of scattering on acoustic lattice vibrations with the increasing electric field strength; with a further increase in the field strength, the carriers become hot and the dependence of σ upon E becomes linear. The effect of irradiation by Γ-rays on the dependence of σ upon E in these samples is explained by a significant concentration of the intrinsic impurity centers in the crystals and their redistribution with the increasing radiation dose.
- Subjects
CRYSTALS spectra; IRRADIATION; ELECTRIC conductivity; ELECTRIC fields; VIBRATIONAL spectra; CRYSTAL optics
- Publication
High Energy Chemistry, 2012, Vol 46, Issue 4, p266
- ISSN
0018-1439
- Publication type
Article
- DOI
10.1134/S0018143912040133