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EPSRC Reference:
GR/S59833/01
Title:
Anchoring of liquid crystals on self-assembled monolayers
Principal Investigator:
Cleaver, Professor D
Other Investigators:
Care, Professor CM
Researcher Co-Investigators:
Project Partners:
Department:
Materials Research Institute
Organisation:
Sheffield Hallam University
Scheme:
Standard Research (Pre-FEC)
Starts:
07 October 2004
Ends:
06 April 2008
Value (£):
85,355
EPSRC Research Topic Classifications:
Materials Characterisation
EPSRC Industrial Sector Classifications:
Chemicals
Electronics
Related Grants:
GR/S59826/01
Panel History:
Panel Date
Panel Name
Outcome
26 Jun 2003
Joint Photonics Prioritisation Panel (Tech) Jun 03
Deferred
Summary on Grant Application Form
We wish to employ a combination of molecular and mesoscopic simulation techniques to explore the structure and dynamics of liquid crystals adsorbed at patterned substrates. These simulations will be performed in collaboration with an parallel experimental project carried out at the University of Leeds in which a range of patterned/structured devices will be created by chemically patterning the boundaries using self-assembled monolayers. Our molecular simulations will concentrate on the anchoring and defect phenomena associated with very short wavelength patterns (the nano-patterened regime) for which optical experimental techniques are unable to resolve the surface-region structures that underlie the device-scale observable patterns. The microscopic information given by the simulations in this limit will be used to guide nano-patterning approaches used in the experimental project with a view, for example, to producing surface-bistable cells. In addition, we shall use mesoscopic (Lattice-Boltzmann) simulations to model both the longer length-scale statics of nematics on patterned substrates and the switching dynamics associated with any surface bistability. Finally, the dynamics associated with the motion of a nematic-isotropic interface across a patterned substrate will be studied using Lattice-Boltzmann simulation and compared with experimental investigations.
Key Findings
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Potential use in non-academic contexts
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Description
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Summary
Date Materialised
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Project URL:
http://www.shu.ac.uk/research/meri/research/confined-liquid-crystals-%E2%80%93-bistability-and-patterning
Further Information:
Organisation Website:
http://www.shu.ac.uk