2018
DOI: 10.1134/s1063774518050103
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Morphological Stability of the Solid–Liquid Interface during Melt Crystallization of Ca1–xSrxF2 Solid Solution

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Cited by 10 publications
(2 citation statements)
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“…The right side of the expression, called the stability function F = m∆x [38], can be easily determined as a first approximation from the equilibrium phase diagram of the binary system. The calculation of dependences F(x) allows one to select technological parameters (crystallization rate v and temperature gradient G) for growing non-cellular two-component crystals so that the value of GD/v exceeds the calculated critical value F(x) [39,40]. In this case, it should be taken into account that the reduction in the rate of the crucible and the creation of high-gradient thermal conditions at the crystallization front are also limited by technological capabilities.…”
Section: Analysis Of the Pbf2-cdf2-srf2 System-search For A Region Of...mentioning
confidence: 99%
“…The right side of the expression, called the stability function F = m∆x [38], can be easily determined as a first approximation from the equilibrium phase diagram of the binary system. The calculation of dependences F(x) allows one to select technological parameters (crystallization rate v and temperature gradient G) for growing non-cellular two-component crystals so that the value of GD/v exceeds the calculated critical value F(x) [39,40]. In this case, it should be taken into account that the reduction in the rate of the crucible and the creation of high-gradient thermal conditions at the crystallization front are also limited by technological capabilities.…”
Section: Analysis Of the Pbf2-cdf2-srf2 System-search For A Region Of...mentioning
confidence: 99%
“…Как уже было отмечено, отношение пиковых значений интенсивностей линий поглощения тетрагональных оптических центров к аналогичным величинам линий поглощения оптических центров кластеров немонотонно зависит от изменения состава кристалла твердого раствора. При этом твердый раствор состава Ca 0.6 Sr 0.4 F 2 характеризуется минимальной температурой конгруэнтного плавления, что коррелирует с устойчивостью фронта кристаллизации по отношению к концентрационному переохлаждению [25]. Для кристаллов конгруэнтного состава характерна большая интенсивность линий поглощения кластеров относительно линии поглощения тетрагональных центров по сравнению с другими кристаллами твердого раствора CaF 2 −SrF 2 .…”
Section: исследуемые кристаллы и методика экспериментаunclassified