Femtosecond Laser-Induced Periodical Nanomodification of Surface Composition
- Авторлар: Ionin A.1, Kudryashov S.1, Makarov S.2
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Мекемелер:
- Lebedev Physical Institute, Russian Academy of Sciences
- ITMO University
- Шығарылым: Том 53, № 16 (2019)
- Беттер: 2094-2099
- Бөлім: Nanostructures Technology
- URL: https://journals.rcsi.science/1063-7826/article/view/207597
- DOI: https://doi.org/10.1134/S106378261912011X
- ID: 207597
Дәйексөз келтіру
Аннотация
Nanoscale periodical chemical composition modification of different two-component compound materials GaAs, CdTe, W0.5C and TiC was realized for the first time through multi-shot femtosecond laser irradiation of their surfaces. The resulting surface modification represents periodical nanoscale ripples with different chemical composition in valleys and ridges. The underlying mechanism is related to a sequence of elementary processes, such as laser excitation surface plasmon-polariton, their interference with the incident laser radiation, inhomogeneous surface heating and incongruent cavitation-like material removal. The latter mechanism is responsible for higher evaporation rate of the components with higher volatility, resulting in growth of surface concentration of low-volatility components.
Негізгі сөздер
Авторлар туралы
A. Ionin
Lebedev Physical Institute, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: aion@sci.lebedev.ru
Ресей, Moscow, 119991
S. Kudryashov
Lebedev Physical Institute, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: sergeikudryashov12@gmail.com
Ресей, Moscow, 119991
S. Makarov
ITMO University
Хат алмасуға жауапты Автор.
Email: makarov_sergey_vl@mail.ru
Ресей, Saint-Petersburg, 197022