| 摘要 |
PURPOSE:To grow easily single crystal from a compound in a liquid crystal state, by bringing seed crystal of a compound which is the same kind as that of liquid crystal or different from it into contact with the liquid crystal which is oriented by external force and made into a supercooled state. CONSTITUTION:2-Hydroxy-4-methoxybenzylidene-4'-butylanilne is placed on a cover glass which is rubbed with tissue paper in one direction many times, heated up to 70 deg.C, made into an isotropic liquid, cooled to 40 deg.C at about 1 deg.C/min cooling rate and made into a supercooled nematic state. Seed crystal of the same compound is brought into contact with the compound, 2-hydroxy-4- methoxybenzylidene-4'-butylaniline performs epitaxial growth from the surroundings of the seed crystal, and the whole compound is uniformly crystallized as single crystal. Orientation of the compound caused by surface tension of the glass rubbed in one direction with the tissue paper contributes to formation of large single crystal. In this case, seed crystal of different kind of compound may be used.
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