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ISSN: 1023-5086


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: 10.17586/1023-5086-2023-90-04-48-56

УДК: 535.212

Effect molybdenum doping on photoinduced changes in the properties of As3S7 films

For Russian citation (Opticheskii Zhurnal):

Гресько В.Р., Капустина Е.В., Сергеев М.М., Вейко В.П., Крбал М., Провоторов П.С., Колобов А.В., Нестеров С.И. Влияние легирования молибденом на фотоиндуцированные изменения свойств плёнок As3S7 // Оптический журнал. 2023. Т. 90. № 4. С. 48–56.


Gresko V.R., Kapustina E.V., Sergeev M.M., Veiko V.P., Krbal M., Provotorov P.S., Kolobov A.V., Nesterov S.I. Effect molybdenum doping on photoinduced changes in the properties of As3S7 films [In Russian] // Opticheskii Zhurnal. 2023. V. 90. № 4. P. 48–56.

For citation (Journal of Optical Technology):



Subject of study. The paper considers the results of studying the influence of the Mo metal concentration on the change in the properties of As3S7 films under the action of continuous laser radiation. Aim of study. Investigation of the influence of Mo metal concentration on photodarkening and photoresist properties of As3S7 films. Method. The photodarkening of the films was carried out using continuous radiation with a wavelength of 445 nm, and the transmission spectra of the samples were measured with fiber spectrophotometer. Using an optical microscope, the surface of the films was examined. To study the photoresist effect, radiation with a wavelength of 532 nm and a solution of C8H19N in C6H5CN as a solvent were used. Main results. It was found that the degree of photodarkening decreased with increasing Mo concentration. If in the original film the transmission decreased by 10%, then at the highest metal concentration the change in transmission was close to zero. The study also shows that the ratio of the solubility rates of exposed and unexposed films also decreased at higher metal concentrations. Practical significance. The results of this study can be used to create devices that use a change in the phase state.


Acknowledgment: this work was supported by the Russian Foundation for Basic Research (grant No. 19­53­26017) and the Czech Science Foundation (grant No. 20­23392J).


photodarkening, photoresist, chalcogenides, thin films, laser exposure, As3S7, molybdenum

OCIS codes: 310.6188.

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