Photorefractivity in ferroelectric liquid crystal composites containing electron donor and acceptor molecules

Gary P. Wiederrecht; Beth A. Yoon; Michael R. Wasielewski

doi:10.1002/1521-4095(200010)12:20<1533::AID-ADMA1533>3.0.CO;2-R

Photorefractivity in ferroelectric liquid crystal composites containing electron donor and acceptor molecules

Gary P. Wiederrecht, Beth A. Yoon, Michael R. Wasielewski

Chemistry

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Abstract

Orientational photorefractivity was observed in ferroelectric liquid crystal (FLC) composites containing oxidized and reduced chromophores. The orientational response was a result of the space-charge field coupling to the bulk polarization of the FLC and not to dielectric anisotropy as with nematic liquid crystals. Results showed that the photorefractive electro-optic mechanism was derived from orientational effects. To increase the likelihood of observing the linear electronic electro-optic effect and orientational contributions, one possibility is to use homeotropically aligned FLCs with a transverse applied field.

Original language	English (US)
Pages (from-to)	1533-1536
Number of pages	4
Journal	Advanced Materials
Volume	12
Issue number	20
DOIs	https://doi.org/10.1002/1521-4095(200010)12:20<1533::AID-ADMA1533>3.0.CO;2-R
State	Published - Oct 16 2000

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/1521-4095(200010)12:20<1533::AID-ADMA1533>3.0.CO;2-R

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abstract = "Orientational photorefractivity was observed in ferroelectric liquid crystal (FLC) composites containing oxidized and reduced chromophores. The orientational response was a result of the space-charge field coupling to the bulk polarization of the FLC and not to dielectric anisotropy as with nematic liquid crystals. Results showed that the photorefractive electro-optic mechanism was derived from orientational effects. To increase the likelihood of observing the linear electronic electro-optic effect and orientational contributions, one possibility is to use homeotropically aligned FLCs with a transverse applied field.",

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AU - Wiederrecht, Gary P.

AU - Yoon, Beth A.

AU - Wasielewski, Michael R.

PY - 2000/10/16

Y1 - 2000/10/16

N2 - Orientational photorefractivity was observed in ferroelectric liquid crystal (FLC) composites containing oxidized and reduced chromophores. The orientational response was a result of the space-charge field coupling to the bulk polarization of the FLC and not to dielectric anisotropy as with nematic liquid crystals. Results showed that the photorefractive electro-optic mechanism was derived from orientational effects. To increase the likelihood of observing the linear electronic electro-optic effect and orientational contributions, one possibility is to use homeotropically aligned FLCs with a transverse applied field.

AB - Orientational photorefractivity was observed in ferroelectric liquid crystal (FLC) composites containing oxidized and reduced chromophores. The orientational response was a result of the space-charge field coupling to the bulk polarization of the FLC and not to dielectric anisotropy as with nematic liquid crystals. Results showed that the photorefractive electro-optic mechanism was derived from orientational effects. To increase the likelihood of observing the linear electronic electro-optic effect and orientational contributions, one possibility is to use homeotropically aligned FLCs with a transverse applied field.

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Photorefractivity in ferroelectric liquid crystal composites containing electron donor and acceptor molecules

Abstract

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