Zobrazeno 1 - 10 of 13 pro vyhledávání: '"V. N. Kanishchev"'
1
Crystallization of binary melt with a periodically varying rate
Autor: V. N. Kanishchev, S. V. Barannik
Publikováno v: Crystallography Reports. 57:974-978
The time dependence of the crystallization rate at crystal pulling to the cold zone with a velocity that has a sinusoidal component has been investigated within a one-dimensional time-dependent model of solidification of a diluted binary melt by the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3322e628e4277b6823abfcc1844fa51
https://doi.org/10.1134/s1063774512070103
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2
Optical homogeneity of Ti:Sapphire crystals grown by horizontal directional solidification
Autor: V. V. Baranov, G. T. Adonkin, S. V. Nizhankovskiy, A. T. Budnikov, E. V. Krivonosov, V. N. Kanishchev, L. A. Grin
Publikováno v: Inorganic Materials. 48:1111-1114
We have found conditions for the growth of Ti:sapphire crystals with a uniform dopant profile by horizontal directional solidification (HDS) in protective gaseous atmospheres of different compositions at different pressures. The results demonstrate t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a601136ccc371b044ab34cbe1400913
https://doi.org/10.1134/s0020168512110088
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3
Peculiarities of the initial transient process of binary melt crystallization
Autor: S. V. Barannik, V. N. Kanishchev
Publikováno v: Crystallography Reports. 55:882-886
The time dependence of the crystallization rate V(t) in the transient process that occurs during crystal pulling into a cold zone at a constant rate W has been investigated within the one-dimensional time-dependent model of binary melt solidification
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fead627b5a85e6c4a7c088ee31a4246
https://doi.org/10.1134/s1063774510050317
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4
On the dependence of the critical crystallization rate on the initial impurity concentration in melt
Autor: V. N. Kanishchev, S. V. Barannik
Publikováno v: Crystallography Reports. 54:1268-1272
The dependence of the critical crystallization rate on the initial impurity concentration in melt is derived by determining the condition at which a nonplanar solution to the stationary diffusion problem arises. It is suggested that the conditions at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f58bcd65b5895acf177c5ae0c1f5896
https://doi.org/10.1134/s1063774509070232
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5
On the dependence of the surface tension at the crystal-melt interface on the impurity concentration
Autor: S. V. Barannik, V. N. Kanishchev
Publikováno v: Crystallography Reports. 54:702-706
The stationary task of impurity diffusion in a melt has been solved within a two-dimensional crystallization model in a second-order approximation with respect to the amplitude of deviation from a smooth crystallization front. The dependence of the s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::21d567672ab8491536f20d5276e9b0c0
https://doi.org/10.1134/s1063774509040270
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6
Growth of sapphire crystals for optoelectronics from alumina in a protective medium
Autor: N. S. Sidelnikova, S. V. Nizhankovskiy, V. N. Kanishchev, L. A. Grin, A. Ja. Dan’ko, V. M. Puzikov, G. T. Adonkin
Publikováno v: Crystallography Reports. 53:1272-1275
This paper reports on the results obtained during the development of the technological process of growth of sapphire crystals for optoelectronics through horizontal directional crystallization in a gaseous argon medium at a pressure of 800 mmHg. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8394e5c42375997fd873031cd2e9f3e
https://doi.org/10.1134/s1063774508070304
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7
Investigation of the stability of the flat crystallization front of a binary melt by a variational method
Autor: V. N. Kanishchev, S. V. Barannik
Publikováno v: Crystallography Reports. 51:116-121
The stability of the flat crystallization front of a dilute binary melt is investigated within the two-dimensional model of solidification taking into account the latent heat of fusion and the difference between thermal conductivities of the solid an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2ee6e09eb5d577ee23834384505560c
https://doi.org/10.1134/s1063774506010202
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8
A variational approach to cellular crystal growth
Autor: V. N. Kanishchev
Publikováno v: Crystallography Reports. 49:1053-1055
The variational method is applied to the study of crystal growth from melt under the condition that the boundary between the liquid and solid phases has a cellular structure. The surface energy of the interface is taken into account.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a37da10e8c7567e0d0940bcfd38d6730
https://doi.org/10.1134/1.1828153
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10
Erratum to: 'The nature of oscillations of the crystallization front in a diluted binary melt during the initial transient process'
Autor: V. N. Kanishchev
Publikováno v: Journal of Experimental and Theoretical Physics. 118:671-671
The cause of oscillations of the crystallization rate of a binary melt that arise in the initial transient process and have been revealed earlier in numerical experiments is investigated theoretically. Within a simple time-dependent model of directed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad0f528bf461b4b0cb73b26e802dc6a2
https://doi.org/10.1134/s1063776114040037
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