N.V. Vostokov, V.F. Dryakhlushin, A. Klimov, A. Novikov, O. Khrykin, V. Shashkin
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Investigation of nanocontact electron properties to the semiconductor islands
Distribution of charge in semiconductor islands of InAs on GaAs surface and Ge/sub x/Si/sub 1-x/ on Si surface are investigated by atomic-force microscopy method with using conductor probes. Carriers of charge are concentrated on the islands perimeter that are shown in rough current peaks in this regions. Reason of this effect are indicated. Nanodimensional contact with /spl sim/10/sup -2/ mkm/sup 2/ area to single islands are fabricated, its current-voltage characteristics are investigated.