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ZnS から成長した ZnO 櫛状結晶中の転位と結晶成長機構

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Title: ZnS から成長した ZnO 櫛状結晶中の転位と結晶成長機構
Other Titles: Dislocations and Growth Mechanism of Comb-like ZnO Crystals from ZnS
Authors: 岩永, 浩 / 柴田, 昇 / 鈴木, 邦夫
Authors (alternative): Iwanaga, Hiroshi / Shibata, Noboru / Suzuki, Kunio
Issue Date: 1974
Citation: 長崎大学教養部紀要. 自然科学. 1974, 15, p.1-13
Abstract: In the growth experiment of the ZnO ribbon crystal from ZnS many comb-like crystals were found. It seems that they were composed of an initial needle and many c-whiskers grown on the basal plane of the initial needle. Observations of dislocations in those crystals by transmission electron microscope and morphological studies by scanning electron microscope were carried out. Dislocations introduced to accomodate the lattice misfit were found in the region where two c-whiskers were united, and those caused by plastic deformation of the crystal were also found near the region where the crystal wa sticked on the electron microscopic specimen holder. Burgers vector of these dislocations always lay in the basal plane. Dislocations which played a role in the crystal growth could never be found. The results of the observations suggest that the comb-like crystal may be grown by the two-dimensional nucleation mechanism rather than the axial dislocation mechanism. The fact that the c-whisker always grows in +c direction shows that the crystallographic polariry of the ZnO crystal is one of the most important factors in the c-whisker growth.
URI: http://hdl.handle.net/10069/16489
ISSN: 02871319
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:Volume 15

Citable URI : http://hdl.handle.net/10069/16489

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