Direct electronic measurement of the spin Hall effect

Article Abstract:

Electrical measurements of the spin Hall effect in a diffusive metallic conductor, using a ferromagnetic electrode in combination with a tunnel barrier to inject a spin-polarized current, are reported. The results reveal that spin Hall effect can be used to directly measure spin-polarized currents without the need of ferromagnets.

Analysis, Usage, Observations, Electric properties, Atomic force microscopy, Electrodes, Ferromagnetic materials, Electronic measurements, Electronic measurement, Hall effect

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Fabry-Perot interference in a nanotube electron waveguide

Article Abstract:

A coherent molecular electronic device is described, in which carbon nanotubes act as coherent electron waveguides. It is shown that the propagation of electrons in the tubes is ballistic over distances of thousands of atoms.

Quantum electronics, Waveguides

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Quantum suppression of superconductivity in ultrathin nanowires

Article Abstract:

An investigation into the possibility of a dissipative phase transition in ultrathin wires is reported.

Superconductivity

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