A Molecular Statistical Theory of Antiferroelectric Smectic A Liquid Crystals
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- Nakagawa Masahiro
- Department of Electrical Engineering, Faculty of Engineering, The Technological University of Nagaoka
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- Akahane Tadashi
- Department of Electrical Engineering, Faculty of Engineering, The Technological University of Nagaoka
書誌事項
- タイトル別名
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- A Molecular Statistical Theory of Antiferroelectric Smectic <I>A</I> Liquid Crystals
- Molecular Statistical Theory of Antif
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抄録
Thermodynamic stability of antiferroelectric smectic A liquid crystals with polar molecular shapes is examined on the basis of a molecular theory. The polar smectic A molecules are modeled into a nail-like one composed of two cylindrical parts. The excluded-volume effect between molecules is taken into account within the second-virial approximation. The numerically evaluated pressure-temperature phase diagrams for such antiferroelectric smectic A systems imply that the increasing polarity of the molecular shape stabilizes the bilayer smectic structure rather than the monolayer smectic structure because of the lateral steric hindrance through the heads of the naillike molecules. It is shown that with increasing temperature under a constant pressure the polar smectic A system have two successive transitions according to the scheme: monolayer SA phase→bilayer SA phase→nematic phase.
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 56 (8), 2653-2665, 1987
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
- 1390282679162574592
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- NII論文ID
- 110001960547
- 130003899586
- 210000093473
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1987JPSJ...56.2653N
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- COI
- 1:CAS:528:DyaL2sXmtV2msro%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 3139721
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可