NEW METHOD OF CRYSTAL GROWTH IN MICROGRAVITY

机译：微重力晶体生长的新方法

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A new method of crystal growing in space (contactless directional crystallization-CDC) is proposed and substantiated. The method represents a combination of advantageous features of the Bridgman method and the floating zone technique. The basic idea consists in obtaining the melt configuration that does not contact the latteral walls of a cylindrical ampoule and has a free surface pinned to the edges of end plates. The shape and stability of an isothermical capillary liquid with the configuration outlined above have been analyzed for cases of zero-gravity, an axial gravity and a lateral gravity. It has been shown, that the region of stable configurations depends essentially on melt wetting angles with the cylindrical walls and with the end plates. Wetting angles of liquid Ge and GaAs of different materials were measured and found ones, suitable for realization CDC. It was performed design of ampoule for growth of GaSb in space by CDC method.

机译：提出并证实了一种在空间中生长晶体的新方法（非接触定向结晶-CDC）。该方法代表了布里奇曼方法和浮动区技术的有利特征的组合。基本思想在于获得不与圆柱形安瓿的侧壁接触的熔融结构，并具有固定在端板边缘的自由表面。对于零重力，轴向重力和横向重力的情况，已经分析了具有上述构造的等温毛细管液体的形状和稳定性。已经表明，稳定构型的区域基本上取决于与圆柱形壁和端板的熔体润湿角。测量了不同材料的液态Ge和GaAs的润湿角，发现了适合实现CDC的润湿角。用CDC法进行了安瓿的设计，以使GaSb在太空中生长。

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《International Conference on Single Crystal Growth and Heat amp; Mass Transfer(ICSC-2003) vol.2; 20030922-26; Obninsk(RU)》|2003年|P.727-734|共8页
会议地点 Obninsk(RU)
作者
Maronchuk I.I.; Milvidskii M.G.; Rakov V.V.; Slobozhanin L.A.;
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Institute of chemical problems for microelctronics (Moscow, Rusia);

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原文格式 PDF
正文语种 eng
中图分类晶体生长工艺;
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NEW METHOD OF CRYSTAL GROWTH IN MICROGRAVITY

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