日本結晶学会誌
Online ISSN : 1884-5576
Print ISSN : 0369-4585
53 巻 , 3 号
選択された号の論文の14件中1~14を表示しています
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  • 植草 秀裕, 藤井 孝太郎
    2011 年 53 巻 3 号 p. 163-169
    発行日: 2011/06/30
    公開日: 2011/07/13
    ジャーナル フリー
    Structure Determination from Powder Diffraction data (SDPD) technique for organic and organo-metallic molecular crystals has been developed since 1990s, and is now widely used. The X-ray powder diffraction data has a difficulty in extraction of correct intensity data from overlapping diffraction peaks, however, the development of direct space method overcomes the difficulty, leading to the progress of this area. The SDPD technique was composed of the indexing, intensity extraction, initial structure solution, structure refinement steps and each of them requires very careful treatments. This technique is usually used for crystal structure determination of powdery crystals, and also phase transition and crystalline-state reaction are examined by SDPD technique because single crystallinity is lost in such phenomena.
  • 藤井 孝太郎, 植草 秀裕
    2011 年 53 巻 3 号 p. 170-177
    発行日: 2011/06/30
    公開日: 2011/07/13
    ジャーナル フリー
    Techniques to prepare the sample and strategies to measure powder X-ray diffraction data for ab initio crystal structure analysis of organic and organometallic compound are shown together with an introduction to typical optics of powder X-ray diffractometry.
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