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The superconducting nanowire single-photon detector (SNSPD or SSPD) is a type of optical and near-infrared single-photon detector based on a current-biased superconducting nanowire. [1] It was first developed by scientists at Moscow State Pedagogical University and at the University of Rochester in 2001.
Charge trapping behavior and tunable surface governed transport properties of SiNWs render this category of nanostructures of interest towards use as metal insulator semiconductors and field effect transistors, [8] where the silicon nanowire is the main channel of the FET which connect the source to the drain terminal, facilitating electron ...
A suspended nanowire is a wire produced in a high-vacuum chamber held at the longitudinal extremities. Suspended nanowires can be produced by: The chemical etching of a larger wire; The bombardment of a larger wire, typically with highly energetic ions; Indenting the tip of a STM in the surface of a metal near its melting point, and then ...
The JNT uses a simple nanowire of silicon surrounded by an electrically isolated "wedding ring" that acts to gate the flow of electrons through the wire. This method has been described as akin to squeezing a garden hose to gate the flow of water through the hose. The nanowire is heavily n-doped, making it an excellent conductor.
Niobium nanowires in form oxide or nitride are used to detect single photons at low temperatures. The superconducting nanowire single-photon detector is an example of something made from these nano-structured materials. [1]
Piezoelectric sensors either convert mechanical force into electric force or vice versa. This force is then transduced into a signal. MIP spectroscopic sensors can be divided into three subcategories, which are chemiluminescent sensors, surface plasmon resonance sensors, and fluorescence sensors. As the name suggests, these sensors produce ...
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where κ 0 is the permittivity in vacuum, κ is the dielectric constant, e 33, e15, and e 31 are the piezoelectric coefficients, ν is the Poisson ratio, a is the radius of the nanowire, l is the length of the nanowire, and ν max is the maximum deflection of the nanowire's tip.