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Effect of Annealing in an Atomic Oxygen Atmosphere on Photoluminescent and Electrical Properties of Hydrothermal Single Crystals ZnO
Abstract
The effect of annealing in atomic oxygen atmosphere on the photoluminescence and electrical properties of high-quality ZnO single crystals grown by the hydrothermal method was studied. The spectrum of as-prepared ZnO samples exhibited a series of narrow lines in the ultraviolet region and long-wavelength emission peaking at 510 nm. The nature of the observed bands was discussed. Hall effect measurements indicated that the dominant donor in as-prepared ZnO samples had ED = 67 meV and ND = 3.6 × 1018 cm–3. After heat treatment in atomic oxygen atmosphere at 600–700°C for 1 h, ND value decreased to 3.7 × 1017 cm–3, while ED value did not change. Although, ZnO annealed at 800°C showed p-type conductivity with an acceptor concentration NA = 2.7 × 1016 cm–3.
About the Authors
I. V. Rogozin
P. D. Osipenko Azov State Pedagogical University
Russian Federation
Russian Federation
Berdyansk
O. V. Rogozina
P. D. Osipenko Azov State Pedagogical University
Russian Federation
Russian Federation
Berdyansk
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Review
For citations:
Rogozin I.V., Rogozina O.V. Effect of Annealing in an Atomic Oxygen Atmosphere on Photoluminescent and Electrical Properties of Hydrothermal Single Crystals ZnO. Zhurnal Prikladnoii Spektroskopii. 2026;93(1):50-56. (In Russ.)
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