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A cluster mechanism is considered for the detachment of particles when the surface of a high-temperature superconducting target
absorbs laser pulses. By proposing a fractal nature for the surface, one can model it as an assembly of a large number of
nonlinear oscillators (clusters). Utilizing the method of sudden perturbations, a calculation was made of the probability
of dissociation of these oscillators, i.e., of the detachment of clusters from the surface. The calculated probability decreases
rapidly as the power density of the laser radiation is reduced to some limiting value. This is in agreement with experiments.
State Institute of Sensory Microelectronics. Siberian Branch of the Russian Academy of Sciences. Translated from Izvestiya
Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 73–77, June, 1997. 相似文献
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Pavlyuchenko P. E. Seropyan G. M. Trenikhin M. V. Drozdov V. A. 《Russian Journal of General Chemistry》2020,90(3):559-565
Russian Journal of General Chemistry - Pulsed-laser irradiation of a globular turbostratic carbon material under diverse conditions was carried. A TEM examination revealed formation of... 相似文献
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Pozygun I. S. Seropyan G. M. Sultanov I. R. Sychev S. A. Teploukhov A. A. 《Technical Physics》2017,62(8):1274-1276
Technical Physics - The formation of local structurally modified areas on the surface of single-crystal strontium titanate has been considered. To this end, the fields of elastic mechanical... 相似文献
4.
K. N. Yugai G. M. Seropyan A. A. Skutin K. K. Yugai A. B. Murav’ev 《Technical Physics》1998,43(2):176-179
The superconducting parameters and macrostructure of YBaCuO thin films grown by laser ablation on SrTiO3 substrates are influenced by the substrate temperature during growth. In a study of this influence it is found that the macrostructure
has significant bearing on the superconducting parameters of the films and on the critical current, in particular. For J
c⩽105 A/cm2 the films have a distinctly pronounced granular structure, while for J
c>105 A/cm2 the films do not have any kind of block structure.
Zh. Tekh. Fiz. 68, 48–51 (February 1998) 相似文献
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