The site‐symmetry induced representations of layer groups on the Bilbao Crystallographic Server

The section of the Bilbao Crystallographic Server (http://www.cryst.ehu.es) dedicated to subperiodic groups includes a new tool called LSITESYM for the study of materials with layer and multilayer symmetry. This new program, based on the site‐symmetry approach, establishes the symmetry relations bet...

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Bibliographic Details
Published in:Journal of applied crystallography 2019-10, Vol.52 (5), p.1214-1221
Main Authors: de la Flor, Gemma, Orobengoa, Danel, Evarestov, Robert A., Kitaev, Yuri E., Tasci, Emre, Aroyo, Mois I.
Format: Article
Language:English
Subjects:
Bilbao Crystallographic Server
Crystallography
Crystals
layer groups
LSITESYM
Molybdenum disulfide
Multilayers
Representations
Research Papers
site‐symmetry method
Symmetry
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Summary:The section of the Bilbao Crystallographic Server (http://www.cryst.ehu.es) dedicated to subperiodic groups includes a new tool called LSITESYM for the study of materials with layer and multilayer symmetry. This new program, based on the site‐symmetry approach, establishes the symmetry relations between localized and extended crystal states using representations of layer groups. The efficiency and utility of the program LSITESYM is demonstrated by illustrative examples, which include the analysis of phonon symmetry in Aurivillius compounds and in van der Waals layered crystals MoS2 and WS2. The program LSITESYM of the Bilbao Crystallographic Server (http://www.cryst.ehu.es), which establishes symmetry relations between localized and extended states in crystals with layer symmetry, is presented. The utility of the program is discussed and illustrated with several examples.
ISSN:1600-5767
0021-8898
1600-5767
DOI:10.1107/S1600576719011725