A twist grain boundary phase with a local antiferroelectric structure

被引：14

作者：

Petrenko, AS

Hird, M

Lewis, RA

Meier, JG

Jones, JC

Goodby, JW ^{[1
]}

机构：

[1] Univ Hull, Dept Chem, Kingston Upon Hull HU6 7RX, N Humberside, England

[2] Chalmers, Dept Microelect & Nanosci, SE-41296 Gothenburg, Sweden

[3] DERA, Malvern WR14 3PS, Worcs, England

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2000年 / 12卷 / 40期

关键词：

D O I：

10.1088/0953-8984/12/40/303

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

(S)-1-methylheptyl 2-[4-(4-dodecyloxybenzoyloxy)phenyl]pyrimidine-5-carboxylate and its racemic modification were synthesized. Through miscibility studies, investigations of defect textures, differential scanning calorimetry and electrical held studies, we conclude that this material exhibits an antiferroelectric twist grain boundary TGBC(A)* analogue of the Abrikosov flux phase found in superconductors. This outcome represents the addition of a new frustrated state of matter to the family of twist grain boundary phases. This novel phase was found to exist between the isotropic liquid and the antiferroelectric smectic C* phase.

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收藏

页码：8577 / 8593

页数：17

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