ABSTRACT
Theuniquefeatureofthemethodliesintheuseofthecantileveredmicrobeamasan independentadditionalgate.Thisallowstherelativeeffectoftheinplanegateandthe microbeamonthedevicecharacteristicstobeinvestigated.
Preliminaryresultsshowsthatthisdevicecouldbeusedtoinvestigatetheinfluenceofan electrostaticfieldonthemovementofchargesonthedotsurface.