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Axial crystals macroscopic symmetry and tensor properties
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SYSNO ASEP 0479514 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Axial crystals macroscopic symmetry and tensor properties Author(s) Janovec, Václav (FZU-D) RID Number of authors 1 Source Title Phase Transitions. - : Taylor & Francis - ISSN 0141-1594
Roč. 90, č. 1 (2017), s. 1-10Number of pages 10 s. Language eng - English Country GB - United Kingdom Keywords axial ; polar ; pseudopolar ; chiral ; enantiomorphism ; optical activity Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) Institutional support FZU-D - RVO:68378271 UT WOS 000394604300001 EID SCOPUS 85010391235 DOI 10.1080/01411594.2016.1252985 Annotation Axial crystals have axial symmetry which keeps invariant straight line with a fixed point. Axial symmetry groups include 27 non-cubic crystallographic point groups and 5 limit groups describing symmetry of textures and liquid crystals. We show that, except for four cases, each axial symmetry belongs to one of five axial types: polar, chiral, pseudopolar (three basic axial types), directional (possessing none of characteristic properties of basic types) or rotational (exhibiting characteristic properties of all basic types). Each basic type can appear in two structurally different variants with the same symmetry. These variants can coexist and form a mesoscopic structure (antiparallel ferroelectric or chiral domain structure, mixture of enantiomers). We examine macroscopic properties of axial types and variants, and experimental accessivity of their characteristic features. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
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