band gaps
Band Gaps and Single Scattering of Phononic Crystal
... low-frequency gaps with a structure of small ...nonic band gap for ...frequency band gaps that are useful to prohibit specific vibrations in accurate technologies such as transducers and ...
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Enlarged Photonic Band Gaps in One-Dimensional Magnetic Star Wave Guide Structure
... Abstract—Photonic band structure and reflection properties of one- dimensional magnetic star wave-guide (MSWG) structure composed of a backbone (or substrate) waveguide along which a finite side branches grafted ...
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Properties of Omnidirectional Photonic Band Gaps in Fibonacci Quasi-Periodic One-Dimensional Superconductor Photonic Crystals
... In the past few years, the propagation of electromagnetic waves (EM waves) in periodic dielectric structures in one, two, three spatial directions has received much attention on the experimental and theoretical ...
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Application of Super-SVA to Stepped-Chirp Radar Imaging with Frequency Band Gaps Between Subchirps
... In high resolution radar which uses SFCS, when the frequency step is larger than the bandwidth of subchirp, there will be band gaps in the synthesized spectrum, and ghost targets will definitely exist in ...
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Analytical approximations for low frequency band gaps in periodic arrays of elastic shells
... resonant band gaps boundaries in periodic arrays of elastic shells are ...upper band gap bounds are derived using expansion of the lattice sum within the vicinity of its ...resonant band ...
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Estimation of Lattice Constants and Band Gaps of Group-III Nitrides Using Local and Semi Local Functionals
... calculated band gap values for III-nitrides in wurtzite and zinc blende structures are shown in Table 4 along with the various errors namely ME, MAE, MRE, MARE given at bottom of the ...the band gaps ...
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Development of a nano-QSPR model to predict band gaps of spherical metal oxide nanoparticles
... for metal oxide nanoparticles was also observed (p < 0.001), which means that this relation remains irrespective of a decrease of material size. It needs to be notied that in this study, heat of formation was ...
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A numerical method for flexural vibration band gaps in a phononic crystal beam with locally resonant oscillators
... the band gap mechanism of PCs depends on the solving methods of elastic wave band ...vibration band gaps mainly include the transfer-matrix method (TM), multiple-scattering theory (MST), ...
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Better band gaps with asymptotically corrected local exchange potentials
... Using the Harbola-Sahni (HS) exchange potential [38] and vLB correction [34], we have previously established that correcting the asymptotic limits of the exchange potential leads to a significant improvement in the ...
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Band gaps in long Josephson junctions with periodic phase shifts
... We investigate analytically and numerically a long Josephson junction on an infinite domain, having arbitrary periodic phase shift of κ, that is, the so-called 0-κ long Josephson junction. The system is described by a ...
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Efficient propagation of TM polarized light in photonic crystal components exhibiting band gaps for TE polarized light
... Abstract: We have investigated the properties of TM polarized light in planar photonic crystal waveguide structures, which exhibit photonic band gaps for TE polarized light. Straight and bent photonic ...
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Band gaps of wurtzite ScxGa1-xN alloys
... their band gaps and lattice ...wide band gap semiconductors for use in UV optoelectronics, which have different electronic structures and different relationships between their lattice parameters and ...
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Theoretical atom optics : light forces and band gaps in hollow optical fibres, input-output and atom stimulation
... A Raman transition was previously proposed to prepare the atoms in order to produce a large population transfer into an atomic state \vith a small energy difference, so that the emission[r] ...
106
Dispersion Relation and Band Gaps of 3D Photonic Crystals Made of Spheres
... On the other hand, if the host medium is magnetic but its permittivity equals 1 (case D), the lowest four gaps occur at, roughly, the same frequencies as in case A. This feature suggests that for the parameters ...
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Trends in GCSE attainment gaps
... of gaps in level 2 attainment have been cut; some have disappeared completely; others are still very ...these gaps give an indication of which pupil characteristics are most important on this ...performance ...
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Persistent gaps and default traps
... If investors seek to break even each period, a country with higher persistence of cyclical shocks will always face a higher spread; when the same negative shock hits all countries with t[r] ...
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BAND HANDBOOK. SUMMER BAND Students not attending summer band may be denied entrance into the band program.
... student plays a very important part in the band. If unable to attend an event, advanced notice is the only acceptable absence, unless an emergency arises. If you cannot make a rehearsal or performance, please call ...
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The heterogeneity of ethnic unemployment gaps
... employment gaps us- ing a new single-index based ...employment gaps along a continu- ous measure of employability, the employment probability minority workers would have if their characteristics were priced ...
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Thermodynamic formalism and dimension gaps
... µ is a Gibbs measure for a sub-multiplicative potential φs , known as the singular value function, which was introduced in a pioneering paper of Falconer in [F2] where it was used to eva[r] ...
182
On the aerodynamics of moult gaps in birds
... Tucker (1991) measured the lift-to-drag ratio in a gliding Harris’ hawk (Parabuteo unicinctus) in a wind-tunnel before, during and after the completion of the primary moult. He found a minimum lift-to-drag ratio during ...
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