Thermal-Stress-Defect-Model in the Crystal Rapidly Grown from the Melt

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概要

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• Previously the author reported that, when KCl crystal with the impurity Pb is obtained by the rapid cooling from the melt, natural cleavage leads the crystal into pieces, in which the edge lengths and optical absorption coefficient at 272 mμ band depend upon the cooling velocity. In this paper, the present model is theoretically proposed in order to explain in appearance the above experiments, that is, (i) the thermal stress induces certain defects corresponding to the above absorption, and (ii) for the one dimensional crystal, a certain type of cleavage under a certain fixed distribution of defects leads the above distribution of the edge lengths.

• 社団法人応用物理学会の論文
• 1972-06-05

著者

• Nakatao Tetsuro

  Department Of Applied Physics Faculity Of Engineering Fukui University

関連論文

• Re-Formulation of Confusion Factor for Grain Boundary in KCI Tablet
• Absorption Spectrum of Thermally Diffused Pb^ Ion in CsBr Crystal
• 272 nm Absorption Band of KCl Tablets Mingled with PbCl_2 Powder
• Local Structure around Step Lines in KCl Single Crystal
• The Blue Shift Phenomenon in the LiBr:Co^ Crystal
• Thermal-Stress-Defect-Model in the Crystal Rapidly Grown from the Melt
• On the Absorption Spectra of CsBr:Pb^Crystal
• Variation of Absorption Spectra at High Temperature in Alkali Halides Doped with Pb^2+,Tl^+
• Complicated Macroscopie Growth of KCl Single Crystal Effected by High Growth-Rate Direction
• Improvement of Equipment for In Situ Measurement of Absorption Spectra from LNT to 800℃
• Propagation Direction of Step Lines and Classification of Line Families in KCl Single Crystal

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