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Surface-patterning generated half-skyrmion lattices in cholesteric blue phase thin films
ID
Wang, Shun
(
Author
),
ID
Ravnik, Miha
(
Author
),
ID
Žumer, Slobodan
(
Author
)
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Abstract
Liquid crystalline blue phase (BP) II sandwiched between a pair of confining surfaces with specifically designed patterns is studied using numerical simulation based on the Landau-de Gennes phenomenological approach. Directed by the surface patterns, quasi-two-dimensional half-Skyrmion lattices form. Specifically, we observe the formation of square and triangular lattices of half-Skyrmions. These lattices of the swirling skyrmion textures are interspersed with singular −1/2 or −1 line defects, which also constitute quasi-two-dimensional regular lattices. Finally, this work is a contribution to designing and stabilising complex birefringent layer profiles of various symmetries.
Language:
English
Keywords:
liquid crystals
,
blue phases
,
half-skyrmions
,
thin films
Typology:
1.01 - Original Scientific Article
Organization:
FMF - Faculty of Mathematics and Physics
Year:
2018
Number of pages:
Str. 2329-2340
Numbering:
Vol. 45, iss. 13-15
PID:
20.500.12556/RUL-105523
UDC:
538.9
ISSN on article:
0267-8292
DOI:
10.1080/02678292.2018.1512168
COBISS.SI-ID:
3233892
Publication date in RUL:
04.12.2018
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1587
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574
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Title:
Liquid crystals
Shortened title:
Liq. cryst.
Publisher:
Taylor & Francis
ISSN:
0267-8292
COBISS.SI-ID:
1690628
Secondary language
Language:
Slovenian
Keywords:
tekoči kristali
,
modre faze
,
polovični skirmioni
,
tanki filmi
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