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The effect of a magnetic field on the photocurrent I ph in Si and GaAs solar cells is investigated. It is shown that the observed change in the photocurrent I ph of the solar cells in response to a magnetic field can be caused by a decrease in the diffusion length of excitons L exc . A simplified...
Deformation of a tungsten tip 500 to 1000 nm in radius subjected to heating in an electric field is studied using field-emission microscopy and continuous-mode field-desorption microscopy. Measurements are performed immediately after the thermal field treatment without any smoothing of the tip by...