نتایج جستجو برای: hall effect
تعداد نتایج: 1662938 فیلتر نتایج به سال:
Based upon Raman spin-lattice interaction, we propose a theoretical model for the phonon Hall effect in paramagnetic dielectrics, which was discovered recently in an experiment [C. Strohm, G. L. J. A. Rikken, and P. Wyder, Phys. Rev. Lett. 95, 155901 (2005).]. The phonon Hall effect is revealed to be a phonon analogue to the anomalous Hall effect in electron systems. The thermal Hall conductivi...
Effect of a shallow nitrogen implantation in the channel region of n-channel 4H-SiC Hall bar MOSFETs on their electrical properties has been characterized by Hall effect. A significant improvement of Hall mobility in normally-off devices is observed with increasing nitrogen implantation dose up to 10 13 cm -2 with a peak Hall mobility of 42.4 cm 2 .V -1 .s -1 . Coulomb scattering as dominant sc...
We study the coupled dynamics of spin and charge currents in a two-dimensional electron gas in the transport diffusive regime. For systems with inversion symmetry there are established relations between the spin Hall effect, the anomalous Hall effect and the inverse spin Hall effect. However, in two-dimensional electron gases of semiconductors like GaAs, inversion symmetry is broken so that the...
2014 Peaks in magnetoresistance at the same magnetic field as the steps in the Hall voltage are observed in (TMTSF)2ClO4. These measurements were performed between 0.1 and 1.2 K, in magnetic fields up to 8.3 T, on a sample having a resistivity ratio R(T = 300 K, H = 0)/R(T ~ 0, H ~ 0) > 1 600. These results are discussed within a model associating the quantum Hall effect with phase transit...
— This paper reviews recent developments in the theory of the quantum Hall effect (QHE) in the magnetic-field-induced spin-density-wave (FISDW) state of the quasi-one-dimensional organic conductors (TMTSF)2X. The origin and the basic features of the FISDW are reviewed. The QHE in the pinned FISDW state is derived in several simple, transparent ways, including the edge states formulation of the ...
Non-invasive measurements of electron temperature and density in the near-field plume of a Hall-effect thruster were performed using a laser Thomson scattering diagnostic. Laser measurements were processed using a maximum likelihood estimation method and results were compared to electrostatic double probe measurements. Electron temperature ranged from approximately 1 – 40 eV and density ranged ...
We investigate the extrinsic spin Hall effect in the electron gas model due to magnetic impurities, by focusing on Ceand Yb-impurities. In the dilute limit, the skew scattering term dominates the side jump term. For Ce-impurities, the spin Hall angle αSH due to skew scattering is given by −8πδ2/7, where δ2 (≪ 1) is the phase shift for d (l = 2) partial wave. Since αSH reaches O(10 ) if δ2 > ∼ 0...
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