サーモトロピック液晶とリオトロピック液晶―統一的視点の可能性―
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- 齋藤 一弥
- 筑波大学大学院数理物質科学研究科
書誌事項
- タイトル別名
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- Thermotropic and Lyotropic Liquid Crystals: Are They So Different?
- Are They So Different?
- 統一的視点の可能性
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説明
Through thermodynamic analyses and considerations on the existing experimental results on cubic mesophases, the unexpected sharing of the common properties by thermotropic and lyotropic liquid crystals is demonstrated. In some thermotropic liquid crystals, the terminal alkyl chain attached to the molecular core is highly disordered as indicated by the magnitude of configurational entropy. The melt chain serves as intramolecular solvent (self-solvent), as evidenced by the close similarity between phase diagrams against chain-length and composition in binary system with n-alkane. These facts lead to the quasi-binary (QB) picture of thermotropic liquid crystals. The QB picture affords the basis to establish the structural models of cubic mesophases in classic cubic mesogens, and that to deduce the entropy difference between flat surfaces and complex surface(s) having complicated geometry such as Gyroid, a triply periodic minimal surface (TPMS).
収録刊行物
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- 熱測定
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熱測定 32 (3), 133-140, 2005
日本熱測定学会
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詳細情報 詳細情報について
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- CRID
- 1390282680067266432
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- NII論文ID
- 130003658827
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- COI
- 1:CAS:528:DC%2BD2MXmsFClt7Y%3D
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- ISSN
- 18841899
- 03862615
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可