2 results about "Field electron emission" patented technology

The application belongs to the technical field of nano-plasmonic switch, and relates to a nano-plasmonic switch with a vertical electrode structure, which comprises, from bottom to top, a substrate layer, a first conductive layer, a dielectric layer and a second conductive layer; the dielectric layer is provided with a cavity vertically penetrating the dielectric layer along the stacking direction, the second conductive layer covers one end of the cavity away from the first conductive layer and is arranged in a spaced mode with the first conductive layer; an excitation voltage is applied to the first conductive layer and the second conductive layer to form a potential difference between the first conductive layer and the second conductive layer, so that the first conductive layer and the second conductive layer are used as electrodes, and the cavity is used as an electrode gap to form the nano-plasmonic switch with the vertical electrode structure. The application can increase the effective field electron emission area, reduce the difficulty of switch conduction, and shorten the time required for the switch to change from the cutoff state to the fully on state, and the response speed is fast.

The invention belongs to the technical field of nano plasma switches, and relates to a nano plasma switch with a vertical electrode structure, which comprises a substrate layer, a first conductive layer, a dielectric layer and a second conductive layer which are sequentially stacked from bottom to top, the dielectric layer is provided with a cavity vertically penetrating through the dielectric layer along the overlapping direction, the second conductive layer covers one end, far away from the first conductive layer, of the cavity, and the second conductive layer and the first conductive layer are arranged at an interval; and applying excitation voltage on the first conductive layer and the second conductive layer to form a potential difference between the first conductive layer and the second conductive layer, thereby forming the nano plasma switch with a vertical electrode structure by taking the first conductive layer and the second conductive layer as electrodes and the cavity as an electrode gap. According to the invention, the field electron emission area can be effectively increased, the switch conduction difficulty is reduced, the time required for switching the switch from a cut-off state to a complete conduction state is short, and the response speed is high.