PB21 液晶性物質4-cyano-4'-heptyloxybiphenyl(7OCB)と4-cyano-4'-octyloxybiphenyl(8OCB)の結晶多形の相転移挙動(化学・材料)
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- タイトル別名
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- PB21 Phase Transition Behavior of Crystal Polymorphs of 4-Cyano-4'-Heptyloxybiphenyl (7OCB) and 4-Cyano-4'-Octyloxybiphenyl (8OCB)
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X-ray diffraction studies on the phase transition behavior of crystalline polymorphs of 7OCB and 8OCB has been carried out by using synchrotron radiation at SPring-8. In 7OCB, it was confirmed that the square-plate crystal transformed to the needle crystal at 40 ℃ and the pattern of a new phase appeared at 50 ℃, which changed to the pattern of the most stable phase at 52 ℃. In 8OCB, the peaks of d = 3.58 and 1.81 Å decreased at 41 ℃, while other peaks increased. Then, the pattern becomes only the most stable phase at 49 ℃. We are now examining the cause of the drastic change at 41 ℃.
収録刊行物
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- 日本液晶学会討論会講演予稿集
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日本液晶学会討論会講演予稿集 2003 (0), 399-400, 2003
一般社団法人 日本液晶学会
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詳細情報 詳細情報について
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- CRID
- 1390001205688461056
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- NII論文ID
- 110001482361
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- NII書誌ID
- AA11639022
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- ISSN
- 24325988
- 18803490
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- HANDLE
- 10083/4563
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- CiNii Articles
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- 使用不可