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ISSN: 1023-5086

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ISSN: 1023-5086

Scientific and technical

Opticheskii Zhurnal

A full-text English translation of the journal is published by Optica Publishing Group under the title “Journal of Optical Technology”

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DOI: 10.17586/1023-5086-2025-92-05-50-56

УДК: 535.37

Assessment of the effect of a constant magnetic field on the luminescence of gallium phosphide crystals

Skvortsova A.A., Volkova L.V., Kalenkov S.G., Skvortsov A.A.

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Скворцова А.А., Волкова Л.В., Каленков С.Г., Скворцов А.А. Оценка влияния постоянного магнитного поля на люминесценцию кристаллов фосфида галлия // Оптический журнал. 2025. Т. 92. № 5. С. 50–56. http://doi.org/10.17586/1023-5086-2025-92-05-50-56

 Skvortsova A.A., Volkova L.V., Kalenkov S.G., Skvortsov A.A. Assessment of the effect of a constant magnetic field on the luminescence of gallium phosphide crystals [in Russian] // Opticheskii Zhurnal. 2025. V. 92. № 5. P. 50–56. http://doi.org/10.17586/1023-5086-2025-92-05-50-56

For citation (Journal of Optical Technology):

Anna A. Skvortsova, Larisa V. Volkova, Sergey G. Kalenkov, and Arkadiy A. Skvortsov, "Effect of a constant magnetic field on the luminescence of gallium phosphide crystals," Journal of Optical Technology. 92(5), 310-313 (2025).  https://doi.org/10.1364/JOT.92.000310  

Abstract:

The subject of the study. Magnetically stimulated photoluminescence of single crystals of gallium phosphide doped with zinc. The purpose of the work. Determination of the dependence of the luminescence intensity of gallium phosphide single crystals, as well as determination of the characteristic relaxation times after preliminary exposure of samples in a permanent magnetic field to solve the problem of magnetically stimulated control of the gallium phosphide single crystals optical properties. Method. Experimental studies of the luminescence spectra of gallium phosphide at room temperature were performed using an experimental setup containing a spectrophotometer and an exciting laser with a wavelength of 405 nm. The magnetic exposure of the samples was carried out in a constant magnetic field between the poles of neodymium magnets with а magnetic induction of less than 0,8 T. The main results. The effect of a constant magnetic field on the luminescence spectra of gallium phosphide crystals has been experimentally established. Preliminary exposure of a sample of gallium phosphide doped with zinc in a constant magnetic field (greater than 0,5 T) leads to an increase in the luminescence intensity at a wavelength of 565 nm. The relaxation of the maximum intensity of the fluorescence band is 180 minutes. Practical significance. The results obtained in the study of the effect of a permanent mag netic field on the spectral characteristics of gallium phosphide crystals will contribute to the deve lopment of effective methods for modifying the electronic properties of a gallium phosphide monolayer, which will allow the creation of new multifunctional materials for optoelectronic applications.

Keywords:

gallium phosphide, permanent magnetic field, luminescence, relaxation, singlet and triplet states, intercombination conversion

Acknowledgements:

 the work was supported within the framework of the state assignment of the Ministry of Education and Science of the Russian Federation (project №  FZRR-2023-0009) for the Moscow Polytechnic University

OCIS codes: 160.4760, 160.2540, 260.3800

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