Incommensurate-Commensurate Phase Transition of Intramolecular Hydrogen-Bonded System: 5-Bromo-9-Deuteroxyphenalenone(d-BrHPLN).
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- Noda Yukio
- Department of Physics, Faculty of Science, Chiba University, Yayoi, Chiba 263
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- Tamura Itaru
- Department of Physics, Faculty of Science, Chiba University, Yayoi, Chiba 263
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- Kuroiwa Yoshihiro
- Department of Physics, Faculty of Science, Chiba University, Yayoi, Chiba 263
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- Mochida Tomoyuki
- Department of Pure and Applied Sciences, College of Arts and Sciences, The University of Tokyo, Komaba, Tokyo 153
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- Sugawara Tadashi
- Department of Pure and Applied Sciences, College of Arts and Sciences, The University of Tokyo, Komaba, Tokyo 153
書誌事項
- タイトル別名
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- Incommensurate Commensurate Phase Trans
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Low-temperature X-ray Weissenberg photographs of deuterated 5-bromo-9-hydroxyphenalenone (d-BrHPLN) were taken at 14.4, K to investigate the phase transition of an intramolecular and isolated hydrogen-bonded system composed of a tautomeric molecule. The system has one hydrogen bond in a rigid molecular skeleton, with the hydrogen atom being replaced by deuterium. The superlattice reflection is found at (h k+0.5 0) at 14.4, K, and it starts to deviate from the commensurate position above TC=22.8, K on heating. The transition is of the first kind and is characterized by a commensurate-incommensurate transition. The peak shift defined as 0.5+δ was also measured. Above TI=34.5, K, the profile becomes very broad and shows diffuse scattering behavior. The transition is of the second kind and is characterized by a so-called incommensurate-normal phase transition.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 63 (12), 4286-4289, 1994
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204181851776
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- NII論文ID
- 210000098410
- 110001956771
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1994JPSJ...63.4286N
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 3595002
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可