Zobrazeno 1 - 10
of 42
pro vyhledávání: '"J. C. Rouillon"'
Autor:
A. Gharbi, J. P. Marcerou, S. Essid, J. C. Rouillon, Marie-France Achard, H. T. Nguyen, M. Manai
Publikováno v:
Ferroelectrics. 343:27-32
Chiral smectics or banana shaped molecules have attracted much attention due to their ability to present ferroelectric mesophases under field. These properties are often presented as intrinsic to the ground phase at zero-field (i.e. two peaks in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9538bc971a435135a650c7598745af51
https://doi.org/10.1080/00150190600961988
https://doi.org/10.1080/00150190600961988
Publikováno v:
Physica B: Condensed Matter. 368:168-178
Chiral molecules give rise to a large variety of mesophases. Well-known examples are cholesteric or ferroelectric smectic phases where the chirality tends to favor a macroscopic twist. Furthermore, the molecular core length (l) plays an important rol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::022ac35b4af9f4b016b5dc1873ed6967
https://doi.org/10.1016/j.physb.2005.07.013
https://doi.org/10.1016/j.physb.2005.07.013
Publikováno v:
Liquid Crystals. 32:307-314
We present a description of the reorientation of the macroscopic polarization P S under a switching field in a ferroelectric liquid crystal assuming the direction of P S is spatially uniform but time‐dependent throughout the sample. The driving tor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12b0cbc15e44fb97bb7d82a5bc922125
https://doi.org/10.1080/02678290500033596
https://doi.org/10.1080/02678290500033596
Publikováno v:
Liquid Crystals. 31:1185-1193
Two new chiral series, with benzoate cores and monofluoro-substitution in positions 2 and 3 of the first phenyl ring near the chiral chain, have been synthesized and characterized. The mesomorphic properties have been analysed by optical microscopy,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fad94ec28df746cacc5c59e35611871c
https://doi.org/10.1080/02678290410001648651
https://doi.org/10.1080/02678290410001648651
Synthesis and mesomorphic properties of a new chiral series with a heterocycle in the molecular core
Publikováno v:
Liquid Crystals. 30:1175-1179
We report a number of different homologous series with a heterocycle incorporated in the molecular core near the chiral chain. Two of these series differ in the type of chiral chain, -CH*(CH3)C6H13 or -CH*(CH3)-CO2-C4H9. Their properties are compared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d7597b0857a2b7ff9969bef3804379d
https://doi.org/10.1080/0267829031000136075
https://doi.org/10.1080/0267829031000136075
Publikováno v:
Pramana. 61:395-404
In this paper we present a review of five-rings banana-shaped molecules derived from isophthalic acids. This study deals with about a hundred compounds and most of them have not been published. By a combination of several linking groups and different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79c121ba574c2f555e63b11fedce4508
https://doi.org/10.1007/bf02708319
https://doi.org/10.1007/bf02708319
Publikováno v:
The European Physical Journal E. 10:129-134
Taking advantage of the great number of bent-core or "banana" compounds synthesized and studied in the laboratory, we describe their behaviour under the application of an external electric field. If the field were a static one, we would work within t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2056206a192511ea5b444f8f188ff2b3
https://doi.org/10.1140/epje/e2003-00016-y
https://doi.org/10.1140/epje/e2003-00016-y
Publikováno v:
Journal of Materials Chemistry. 12:2214-2220
Three new series of bent-shaped five-ring liquid crystals, based on the ester of isophthalic acid as the central core and azomethine linkages, are presented. They differ by the number and the position of halogeno substituents on the outer rings. This
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c247edb2c7979656350565b43c82042a
https://doi.org/10.1039/b201467j
https://doi.org/10.1039/b201467j
Publikováno v:
Journal of Materials Chemistry. 11:2946-2950
A new series of achiral banana-shaped compounds (“Sn”) has been synthesised and studied by the classical techniques (optical microscopy, differential scanning calorimetry, X-ray diffraction and electro-optic investigations). The short homologues
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91cf8e6667480620f90a2707775ba320
https://doi.org/10.1039/b103143k
https://doi.org/10.1039/b103143k
Autor:
C. Da Cruz, Eric Grelet, J. P. Marcerou, H. T. Nguyen, Brigitte Pansu, Gilles Sigaud, J. C. Rouillon
Publikováno v:
Liquid Crystals. 28:1415-1423
A series of trifluoro-substituted benzoate derivatives: (R)-1-methylheptyl 4-[4-(4-alkyloxy3-fluorobenzoyloxy)-3-fluorobenzoyloxy]-3-fluorobenzoates is reported. The short chain members (n = 8 to 12) display the phase sequence Cr-SmC*-TGBC-TGBA-BPSm-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73bffcd657ba4399db056c623f97ea78
https://doi.org/10.1080/02678290110066822
https://doi.org/10.1080/02678290110066822