نتایج جستجو برای: nernst
تعداد نتایج: 1509 فیلتر نتایج به سال:
Abstract In these notes, we have considered models of electrophysiology across several scales. The first was the membrane model. It assumes that action potential is similar whole cell membrane, and model represents as a function time alone. No spatial variable involved in pure models, so length scale does not make sense.
The theory of limiting diffusion-migration currents is presented for partially dissociated electrolytes without the assumption that the dissociation reaction is in equilibrium and is based on the Nernst diffusion layer model.
In conventional light-harvesting devices, the absorption of a single photon only excites one electron, which sets the standard limit of power-conversion efficiency, such as the Shockley-Queisser limit. In principle, generating and harnessing multiple carriers per absorbed photon can improve efficiency and possibly overcome this limit. We report the observation of multiple hot-carrier collection...
A distinctly temperature-dependent Nernst coefficient, ν, which is strongly enhanced over that of LaCu(2)Si(2), is observed between T=2 and 300 K for CeCu(2)Si(2) and Ce(0.8)La(0.2)Cu(2)Si(2). The enhanced ν(T) is determined by the asymmetry of the on-site Kondo (conduction electron -4f electron) scattering rate. Taking into account the measured Hall mobility, μ(H), the highly unusual thermopow...
The spin and valley-dependent anomalous Nernst effects are analyzed for monolayer MoS_{2} and other group-VI dichalcogenides. We find that pure spin and valley currents can be generated perpendicular to the applied thermal gradient in the plane of these two-dimensional materials. This effect provides a versatile platform for applications of spin caloritronics. A spin current purity factor is in...
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