Article Title

АN OPTICAL STUDY OF STRAIN RELAXATION AND INTERDIFFUSION IN ZnSe/ZnCdSe QUANTUM WELLS MODIFIED BY γ-IRRADIATION

Authors

Muratbay B. Sharibaev, Tashkent University of Information Technologies Nukus Branch, Republic of Karakalpakstan, Nukus city, A.Dosnazarov Str., 74 (Uzbekistan), Е-mail: tatunf@tatuinf.uzFollow
Kanatbay A. Ismailov, Karakalpak State university, Republic of Karakalpakstan, 230112, Nukus city, Ch.Abdirov Str., 1 (Uzbekistan). Е-mail: karsu_info@edu.uzFollow
Ibrohim N. Karimov, Andijan State University, Andijan, 170100, str. University, 129 (Uzbekistan). E-mail: agsu_info@edu.uzFollow
Murodjon Z. Nosirov, Andijan State University, Andijan, 170100, str. University, 129 (Uzbekistan). E-mail: agsu_info@edu.uzFollow

Abstract

If we turn to the literature data, it is known that the degradation of CdZnTe / ZnTe and CdZnSe /ZnSe quantum wells and usually includes two types of processes: (i) fast (as called dynamic, by analogy with the degradation of heterostructures based on A3B5 materials) - germination and propagation of extended defects from a GaAs substrate. This process in CdZnSe / ZnSe is slowed down by various technological methods (treatment of a substrate in sulfur; reduction of a damaged layer in a GaAs substrate; deposition of a GaAs epitaxial buffer layer; use of the concept of compensation of bipolar stresses; and (ii) slow, which is initiated in the well itself and leads to the loss of Cd. The decay of the well (Cd drift) occurs, as a rule, at an angle to the well, along the extended defects that were observed with the help of PL and CR with a fairly high spatial resolution, over distances of several microns from the pit, of the latter type (ii) the degradation was mainly diffusive.

First Page

5

Last Page

11

References

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Recommended Citation

Sharibaev, Muratbay B.; Ismailov, Kanatbay A.; Karimov, Ibrohim N.; and Nosirov, Murodjon Z. (2020) "АN OPTICAL STUDY OF STRAIN RELAXATION AND INTERDIFFUSION IN ZnSe/ZnCdSe QUANTUM WELLS MODIFIED BY γ-IRRADIATION," Scientific Bulletin. Physical and Mathematical Research: Vol. 2 : Iss. 2 , Article 1.
Available at: https://uzjournals.edu.uz/adu/vol2/iss2/1