Growth and optical properties of graded band‐gap CdHgTe and CdMnHgTe structures

Zakharuk, Z. I.; Rybak, E. V.; Rarenko, H. I.; Kovalchuk, M.; Tal'yanski, E. B.; Fochuk, P.

doi:10.1002/pssc.200564662

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2019

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“…Obtaining of the large single crystals depends on the container shape. The highest yield of large monoblocks was observed when crystals growth in a cylindrical quartz container (diameter of 50-60 mm) with the double walls and flat bottom and heat sink located at the center of the container bottom [14]. With ampoule movement into the furnace cold part, the crystal nucleation was occurred at the point, where the heat sink was attached, and the subsequent growth -surrounded by a melt.…”

Section: Results and Their Discussionmentioning

confidence: 99%

Effect of Ionizing Radiation on the Structure, Electro-Physical and Optical Characteristics of Cd1-xZnxTe Crystals

Fochuk¹,

Shafranyuk²,

Rarenko³

et al. 2019

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Based on X-ray studies, conditions for growth of high structural perfect Cd1-хZnxTe (0,02≤х≤0,1) crystalshave been optimized. In crystals obtained, changes in the structure, electrical parameters and optical transmissionat samples irradiation by g-, b- radiations were investigated. At 60Со source gamma-quanta irradiation with a dose of Ф≥ 105 Gy, a slight decrease of samples’ structure and optical transmission, an increase of holes concentration p and a decrease of charge carrier mobility m in p-type crystals was observed. Within 30-40 days, the values of p and m were relaxed to an initial ones. Changes in structural perfection, optical transmission and electricalparameters of samples irradiated by electrons were more significant.

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Section: Results and Their Discussionmentioning

confidence: 99%