Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Barmina, E V"'
Ruby grains are synthesized by laser heating of the dry mixture of Al$_2$O$_3$ and Cr$_2$O$_3$. Quasi-continuous radiation of a Nd:YAG laser was used for this purpose with average power of 15 W. Synthesized ruby grains demonstrate strong photo-lumine
Externí odkaz:
http://arxiv.org/abs/2209.08062
Autor:
Aiyyzhy, K. O., Barmina, E. V., Voronov, V. V., Shafeev, G. A., Novikov, G. G., Uvarov, O. V.
Nanoparticles of elemental Boron are generated for the first time by laser ablation of a sintered Boron target in liquid isopropanol and subsequent laser fragmentation of the suspension. For this purpose an ytterbium doped fiber laser was used at wav
Externí odkaz:
http://arxiv.org/abs/2203.12388
Autor:
Zhilnikova, M. I., Barmina, E. V., Shafeev, G. A., Simakin, A. V., Pridvorova, S. M., Uvarov, O. V.
One-step laser generation of Au elongated nanoparticles (NPs) and their successive fragmentation and agglomeration are experimentally studied for the first time. In the present work, laser-assisted formation of Au elongated nanoparticles by ablation
Externí odkaz:
http://arxiv.org/abs/1812.03041
The formation of stable products of water decomposition under laser exposure of aqueous colloidal solutions of nanoparticles is experimentally studied. Laser exposure of colloidal solutions leads to formation of H2, O2, and H2O2. The dependence of th
Externí odkaz:
http://arxiv.org/abs/1707.02357
Formation of molecular H2 and O2 is experimentally studied under laser exposure of water colloidal solution to radiation of a Nd:YAG laser at pulse duration of 10 ns and laser fluence in the liquid of order of 100 J/cm2. It is found the partial press
Externí odkaz:
http://arxiv.org/abs/1701.03367
We report the generation of molecular hydrogen from water by laser irradiation, without any electrodes and photocatalysts. A near infrared pulsed nanosecond laser is used for exposure of colloidal solution of Au nanoparticles suspended in water. Lase
Externí odkaz:
http://arxiv.org/abs/1602.08333
Autor:
Aiyyzhy, K. O.1 (AUTHOR), Barmina, E. V.1 (AUTHOR), Kobtsev, V. D.1 (AUTHOR), Kozlov, D. N.1 (AUTHOR), Kostritsa, S. A.1 (AUTHOR) sergey.kostritsa@gmail.com, Orlov, S. N.1 (AUTHOR), Savel'ev, A. M.1 (AUTHOR), Smirnov, V. V.1 (AUTHOR), Titova, N. S.1 (AUTHOR), Shafeev, G. A.1 (AUTHOR)
Publikováno v:
Combustion, Explosion, & Shock Waves. Apr2023, Vol. 59 Issue 2, p167-179. 13p.
Autor:
Barmina, E. V., Shafeev, G. A.
Contactless transfer of angular momentum from rotating laser beam to a solid target is experimentally demonstrated. The effect is observed under irradiation of a glassy carbon target immersed in water by a pulsed laser beam that is scanned across the
Externí odkaz:
http://arxiv.org/abs/1412.4017
The processes of laser-assisted synthesis of Tritium nuclei and their laser-induced decay in cold plasma in the vicinity of solid targets (Au, Ti, Se, etc.) immersed into heavy water are experimentally realized at peak laser intensity of 10E10-10E13
Externí odkaz:
http://arxiv.org/abs/1306.0830
Self-organization of hydrogen bubbles generated by laser-treated areas of an aluminum plate etched in a basic aqueous solution of ammonia is studied experimentally and theoretically. A dynamics of establishment of stationary pattern of gas bubbles is
Externí odkaz:
http://arxiv.org/abs/1209.6292