title: Conductance-based chemical sensing in metallic nanowires and metal-semiconductor nanostructures.
abstract: Conductance-based chemical sensing in metal-semiconductor nanostructures and all-metal nanowires of atomic dimensions is garnering increased interest. Adsorbed gas molecules can migrate to a metal-semiconductor junction, thereby shifting the magnitude of the Schottky barrier and altering electrical impedance, whereas atomic scale metal junctions can sensitively report the presence of adsorbates through their impact on ballistic electron transport.
authors.affiliation: Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, USA.
authors.forename: Barrett K
authors.initials: BK
authors.lastname: Duan
authors.forename: Jingying
authors.initials: J
authors.lastname: Zhang
authors.forename: Paul W
authors.initials: PW
authors.lastname: Bohn