Thermophysical processes initiated by inert-matrix-hosted nanoparticles heated by laser pulses of different durations

14 сентября 2018
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Контактные данные автора публикации 650043, г. Кемерово, ул. Красная, 6, КемГУ. Тел.: (3842) 58-00-31. E-mail: poddub@gmail.com. Поддубиков Владимир Валерьевич - начальник научно-инновационного управления
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Аннотация

In the present study, a model for the heating of inert-matrix-hosted metal nanoparticles with laser radiation taking into account the melting processes is examined. The calculations were performed using the characteristics of gold and pentaerythritol tetranitrate materials. The kinetic dependences of the temperature and molten-layer thickness on nanoparticle surface were calculated. The main non-dimensional governing parameters of the model were identified. An expression for the maximum thickness of molten layer was obtained. The results can be used in predicting the stability of nonlinear-optics devices with hosted gold nanoparticles, in raising the efficiency of hyperthermia cancer therapy, and in optimizing the optical detonators.
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