title: Piezo-semiconductive quasi-1D nanodevices with or without anti-symmetry.
abstract: The piezopotential in floating, homogeneous, quasi-1D piezo-semiconductive nanostructures under axial stress is an anti-symmetric (i.e., odd) function of force. Here, after introducing piezo-nano-devices with floating electrodes for maximum piezo-potential, we show that breaking the anti-symmetric nature of the piezopotential-force relation, for instance by using conical nanowires, can lead to better nanogenerators, piezotronic and piezophototronic devices.
authors.affiliation: DIAEE-Electrical Engineering Division, "Sapienza" University of Rome, Italy.
authors.forename: Rodolfo
authors.initials: R
authors.lastname: Araneo
authors.forename: Giampiero
authors.initials: G
authors.lastname: Lovat
authors.forename: Paolo
authors.initials: P
authors.lastname: Burghignoli
authors.forename: Christian
authors.initials: C
authors.lastname: Falconi
mesh_terms: D004553:Electric Conductivity; D055595:Mechanical Phenomena; D036103:Nanotechnology / Q000295:instrumentation*; D012666:Semiconductors