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http://hdl.handle.net/2289/1848
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DC Field | Value | Language |
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dc.contributor.author | Kini, U.D. | - |
dc.date.accessioned | 2007-01-08T10:31:59Z | - |
dc.date.available | 2007-01-08T10:31:59Z | - |
dc.date.issued | 1995 | - |
dc.identifier.citation | Journal de Physique II, 1995, Vol.5, p1841-1861 | en |
dc.identifier.issn | 1155-4312 | - |
dc.identifier.issn | 1286-4870 (Online) | - |
dc.identifier.uri | http://hdl.handle.net/2289/1848 | - |
dc.description | Restricted Access. Please click on the alternative location for the open-access full text. | en |
dc.description.abstract | This work reports theoretical studies on the occurence of a static periodic distortion (PD) in a nematic sample under the action of crossed electric (E) and magnetic (H) fields applied on a uniformly aligned initial director configuration (n $_{\rm o}$ ). Linear stability analysis with rigid anchoring hypothesis is employed. For homeotropic alignment of a nematic such as M1 which has negative dielectric anisotropy ( $\epsilon_{\rm A}<0$) and positive diamagnetic anisotropy ( $\chi_{\rm A}>0$), PD occurs when E and H are both in the sample plane. The direction of periodicity depends on the angle between E and H; PD is unfavorable when H is tilted sufficiently away from E. In a material (such as CCH-7) with $\epsilon_{\rm A}>0$ and $\chi_{\rm A}<0$, the direction of periodicity changes continuously in the H, E plane as a function of the strength and tilt of the stabilizing H relative to E. Possible effects of flexoelectricity, weak anchoring and director pretilt are discussed briefly. | en |
dc.format.extent | 1468574 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | en | en |
dc.publisher | EDP Sciences | en |
dc.relation.uri | http://dx.doi.org/10.1051/jp2:1995216 | en |
dc.rights | (1995) Les Editions de Physique | en |
dc.title | Magnetic and electric field induced periodic deformations in nematics | en |
dc.type | Article | en |
Appears in Collections: | Research Papers (SCM) |
Files in This Item:
File | Description | Size | Format | |
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1995 JdP-II V5 p1841.pdf Restricted Access | Restricted Access | 1.43 MB | Adobe PDF | View/Open Request a copy |
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