نتایج جستجو برای: electrostriction
تعداد نتایج: 212 فیلتر نتایج به سال:
Optomechanical systems combine extreme sensitivity and bandwidth in the control of mechanical motion, interest for various applications. Integrated on a chip, actuated detected all-optically by single laser, they could disrupt sensing technologies. We introduce here multiphysics model that describes their operation oscillating mode, under sinusoidal modulation when both photothermal forces radi...
Statistical mechanics is an important tool for understanding polymer electroelasticity because the elasticity of polymers primarily due to entropy. However, a common approach statistical chains, Gaussian chain approximation, misses key physics. By considering nonlinearities problem, we show strong coupling between deformation and its dielectric response, that is, net dipole. When chains with th...
In natural ionic solids, cationic and anionic species are alternately arranged to minimize electrostatic energy. Aggregation of identical ionic species is commonly prohibited due to the repulsive, long-range nature of Coulombic interactions. Recently, we synthesized unique ionic solids, [AuI4CoIII2(dppe)2(D-pen)4]X2·nH2O (dppe = 1,2-bis(diphenylphosphino)ethane, D-pen = D-penicillaminate), in w...
This paper presents an analytical framework to construct approximate homogenization solutions for the macroscopic elastic dielectric response — under finite deformations and finite electric fields — of dielectric elastomer composites with two-phase isotropic particulate microstructures. The central idea consists in employing the homogenization solution derived in Part I of this work for ideal e...
Survival rates of Escherichia coli and Staphylococcus aureus after high-pressure treatment in buffers that had large or small reaction volumes (ΔV°), and which therefore underwent large or small changes in pH under pressure, were compared. At a low buffer concentration of 0.005 M, survival was, as expected, better in MOPS (morpholinepropanesulfonic acid), HEPES, and Tris, whose ΔV° values are a...
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