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| dc.creator |
Becchi M. |
|
| dc.creator |
Ponti S. |
|
| dc.creator |
Strigazzi A. |
|
| dc.creator |
Chigrinov V. |
|
| dc.creator |
Torgova S. |
|
| dc.date |
2002 |
|
| dc.date.accessioned |
2013-06-01T09:26:22Z |
|
| dc.date.available |
2013-06-01T09:26:22Z |
|
| dc.date.issued |
2013-06-01 |
|
| dc.identifier |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000300022 |
|
| dc.identifier |
http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2002&volume=32&issue=2b&spage=602 |
|
| dc.identifier.uri |
http://koha.mediu.edu.my:8181/jspui/handle/123456789/7817 |
|
| dc.description |
In the last decade it has been experimentally found a periodic domain pattern arising in smectic C* liquid crystals in surface stabilized bookshelf geometry. Such a periodic texture appears after switching-off an external electric field, even in strong anchoring conditions. It has a static character and can be bidimensional, being dependent on both directions normal to the smectic planes and normal to the cell plates. In the present work an explanation to this phenomenon is proposed. According to our model in the antiferroelectric phase the biperiodic texture is a threshold phenomenon, appearing for values of the spontaneous polarization greater than a critical value, whereas in the ferroelectric phase this type of bidimensional instability is hindered. |
|
| dc.publisher |
Sociedade Brasileira de Física |
|
| dc.source |
Brazilian Journal of Physics |
|
| dc.title |
Bidimensional instability in antiferroelectric liquid crystals |
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