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1 Department of Nanomechanics 2 Department of Mechanical Science and Engineering

Abstract : In order to develop a new structure microwave probe, the fabrication of AFM probe on the GaAs wafer was studied. A waveguide was introduced by evaporating Au film on the top and bottom surfaces of the GaAs AFM probe. A tip having 8 μm high, and curvature radius about 50 nm was formed. The dimensions of the cantilever are 250x30x15 μm. The open structure of the waveguide at the tip of the probe was introduced by using FIB fabrication. AFM topography of a grating sample was measured by using the fabricated GaAs microwave probe. The fabricated probe was found having nanometer scale resolution, and microwave emission was detected successfully at the tip of the probe by approaching Cr-V steel and Au wire samples.

Autor: Y. Ju - M. Hamada - T. Kobayashi - H. Soyama -

Fuente: https://hal.archives-ouvertes.fr/


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