Numerical and Experimental Analysis of electrostatic Ejection of Liquid Droplets

Kim, Yong-Jae; Ko, Han Seo; Lee, Sukhan; Son, Seok Man; Jung, Dae-Won; Byun, Doyoung

doi:10.3938/jkps.51.42

Cited by 22 publications

(22 citation statements)

References 1 publication

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“…The symmetric scan probes the distances between lattice planes nominally parallel to the surface of the sample, whereas asymmetric scans probe the distances between planes tilted with respect to the sample surface. The symmetric scan is also used for determining the average out-of plane lattice constantc [11,12] and the superlattice period thickness Λ [13]. The value of Λ may be used to verify measured thicknesses, since it should equal the sum of the layer thicknesses in one period.…”

Section: Methodsmentioning

confidence: 99%

Characterization of InGaN/GaN and AlGaN/GaN superlattices by X‐ray diffraction and X‐ray reflectivity measurements

Sintonen¹,

Suihkonen

Svensk

et al. 2010

Phys. Status Solidi (c)

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The commercial significance of superlattice structures is increasing due to greater demand of optoelectronic devices, such as the light emitting diode (LED). In order to optimize these devices, an accurate and reliable characterization method is needed. This paper describes in detail the characterization of superlattices with X‐ray scattering techniques. The thicknesses of the individual layers are determined by X‐ray reflectivity (XRR) measurements and the state of strain, the lattice constants and the compositions of ternary compounds by X‐ray diffraction (XRD) measurements. The method is non‐destructive, and yields unique results, unlike characterizations based on simulation of symmetric XRD scans. These simulations were used for verification of results. The method was tested on InGaN and AlGaN superlattice structures. The measured and simulated parameter values agreed very well. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Section: Methodsmentioning

confidence: 99%

Characterization of InGaN/GaN and AlGaN/GaN superlattices by X‐ray diffraction and X‐ray reflectivity measurements

Sintonen¹,

Suihkonen

Svensk

et al. 2010

Phys. Status Solidi (c)

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“…Finally, phenomenological continuum theories have been proposed where the mixture is described in terms of a few coarse-grained fields whose dynamics is inferred from symmetry considerations [41,43,42,44,45,46,47,48,49,50,51].…”

Section: Theoretical Modeling Of Active Systemsmentioning

confidence: 99%

“…Lee and Kardar [43] proposed a simple hydrodynamic model for the coupled dynamics of a coarse-grained filament orientation and the motor concentration, ignoring fluctuations in the filament density. These authors argued that filament growth by polymerization provides a mechanism for an instability of the system from an isotropic to an oriented state [43,42], with large-scale aster and vortex structures. They obtained a phase diagram for the system showing a transition from vortices to asters.…”

Section: Theoretical Modeling Of Active Systemsmentioning

confidence: 99%

“…There are three possible homogeneous stationary states for the system, obtained by solving Eqs. (42) and (43) At low density the only solution is Pi = 0 and Qij = 0 and the system is isotropic (I). The homogeneous isotropic state can become unstable at high filament and/or motor density, as described below.…”

Section: Homogeneous States Of a Quiescent Solutionmentioning

confidence: 99%

“…To discuss the instabilities it is convenient to measure time in units of D −1 r and rewrite Eqs. (42) and (43) in a more compact form as…”

Section: Homogeneous States Of a Quiescent Solutionmentioning

confidence: 99%

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Liverpool

2008

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The cytoskeleton provides eukaryotic cells with mechanical support and helps them perform their biological functions. It is a network of semiflexible polar protein filaments and many accessory proteins that bind to these filaments, regulate their assembly, link them to organelles and continuously remodel the network. Here we review recent theoretical work that aims to describe the cytoskeleton as a polar continuum driven out of equilibrium by internal chemical reactions. This work uses methods from soft condensed matter physics and has led to the formulation of a general framework for the description of the structure and rheology of active suspension of polar filaments and molecular motors.

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Design and simulation of a hybrid inkjet printhead for ejecting high viscous inks

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Kim,

Zaidi

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Numerical and Experimental Analysis of electrostatic Ejection of Liquid Droplets

Cited by 22 publications

References 1 publication

Characterization of InGaN/GaN and AlGaN/GaN superlattices by X‐ray diffraction and X‐ray reflectivity measurements

Characterization of InGaN/GaN and AlGaN/GaN superlattices by X‐ray diffraction and X‐ray reflectivity measurements

Hydrodynamics and Rheology of Active Polar Filaments

Design and simulation of a hybrid inkjet printhead for ejecting high viscous inks

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