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Träfflista för sökning "WFRF:(Suyatin Dmitry) srt2:(2008)"

Sökning: WFRF:(Suyatin Dmitry) > (2008)

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  • Pettersson, H., et al. (författare)
  • Assembling Ferromagnetic Single-electron Transistors with Atomic Force Microscopy
  • 2008
  • Ingår i: Nanostructures in electronics and photonics. - London : Pan Stanford Publishing. - 9789814241106 - 9789814241120 ; , s. 29-40
  • Bokkapitel (refereegranskat)abstract
    • Ferromagnetic Single Electron Transistors (F-SETs) comprise ferromagnetic electrodes connected to a ferromagnetic- or non-magnetic central island via tunnel barriers. These devices are important for studies of spin-transport physics in confined structures. Here we describe the development of a novel type of AFM-assembled nano-scale F-SETs suitable for spin-transport investigations at temperatures above 4.2 K. The ingenious fabrication technique means that their electrical characteristics can be tuned in real-time during the fabrication sequence by re-positioning the central island with Ångström precision.
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  • Suyatin, Dmitry, et al. (författare)
  • Electrical properties of self-assembled branched InAs nanowire junctions
  • 2008
  • Ingår i: Nano Letters. - : American Chemical Society (ACS). - 1530-6992 .- 1530-6984. ; 8:4, s. 1100-1104
  • Tidskriftsartikel (refereegranskat)abstract
    • We investigate electrical properties of self-assembled branched InAs nanowires. The branched nanowires are catalytically grown using chemical beam epitaxy, and three-terminal nanoelectronic devices are fabricated from the branched nanowires using electron-beam lithography. We demonstrate that, in difference from conventional macroscopic junctions, the fabricated self-assembled nanowire junction devices exhibit tunable nonlinear electrical characteristics and a signature of ballistic electron transport. As an example of applications, we demonstrate that the self-assembled three-terminal nanowire junctions can be used to implement the functions of frequency mixing, multiplication, and phase-difference detection of input electrical signals at room temperature. Our results suggest a wide range of potential applications of branched semiconductor nanostructures in nanoelectronics.
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