2D magnetophotonic crystals fabricated on patterned substrates
نویسندگان
چکیده
منابع مشابه
Nanoparticle-mediated epitaxial assembly of colloidal crystals on patterned substrates.
We have studied the assembly of 3-D colloidal crystals from binary mixtures of colloidal microspheres and highly charged nanoparticles on flat and epitaxially patterned substrates created by focused ion beam milling. The microspheres were settled onto these substrates from dilute binary mixtures. Laser scanning confocal microscopy was used to directly observe microsphere structural evolution du...
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A theoretical analysis is presented of a nematic liquid crystal confined between substrates patterned with squares that promote vertical and planar alignment. Two approaches are used to elucidate the behavior across a wide range of length scales: Monte Carlo simulation of hard particles and Frank-Oseen continuum theory. Both approaches predict bistable degenerate azimuthal alignment in the bulk...
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Lithographic techniques applied to a substrate prior to film deposition can create areas of low interface adhesion surrounded by regions of high adhesion. If the film is under compression and if buckle delamination is nucleated, conditions can be controlled such that delaminations are confined to the patterned areas of low adhesion. When the area of low adhesion is a strip, the width of the str...
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We show that patterned surfaces can promote bistable configurations of nematics for reasons other than the symmetry of the surface. Numerical and analytical calculations reveal that a nematic liquid crystal in contact with a striped surface is subject to the competing aligning influences of elastic anisotropy, differing energy cost of various types of deformation, and flexoelectricity, curvatur...
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ژورنال
عنوان ژورنال: Journal of the Magnetics Society of Japan
سال: 2009
ISSN: 1882-2932,1882-2924
DOI: 10.3379/msjmag.0907mc0004