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Superconducting tunnel junction information


The superconducting tunnel junction (STJ) — also known as a superconductor–insulator–superconductor tunnel junction (SIS) — is an electronic device consisting of two superconductors separated by a very thin layer of insulating material. Current passes through the junction via the process of quantum tunneling. The STJ is a type of Josephson junction, though not all the properties of the STJ are described by the Josephson effect.

These devices have a wide range of applications, including high-sensitivity detectors of electromagnetic radiation, magnetometers, high speed digital circuit elements, and quantum computing circuits.

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Superconducting tunnel junction

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The superconducting tunnel junction (STJ) — also known as a superconductor–insulator–superconductor tunnel junction (SIS) — is an electronic device consisting...

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Tunnel junction

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magnetic detector. In superconducting tunnel junctions, two superconducting electrodes are separated by a non-superconducting barrier. Cooper pairs carry...

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Josephson effect

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insulating barrier (known as a superconductor–insulator–superconductor junction, or S-I-S), a short section of non-superconducting metal (S-N-S), or a physical...

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Technological applications of superconductivity

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sensor, the superconducting bolometer, the superconducting tunnel junction detector, the kinetic inductance detector, and the superconducting nanowire single-photon...

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Cryogenic particle detector

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significant change in resistance. The superconducting tunnel junction (STJ) consists of two pieces of superconducting material separated by a very thin (~nanometer)...

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Quantum tunnelling

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Holstein–Herring method Proton tunneling Quantum cloning Superconducting tunnel junction Tunnel diode Tunnel junction White hole Lerner; Trigg (1991)...

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Charge qubit

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coupled by a Josephson junction (or practically, superconducting tunnel junction) to a superconducting reservoir (see figure). The state of the qubit is...

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SQUID

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frequency (RF). RF SQUIDs can work with only one Josephson junction (superconducting tunnel junction), which might make them cheaper to produce, but are less...

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Superconducting camera

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This enables its sensitive electronic detectors, known as superconducting tunnel junction detectors, to register almost every photon of light that falls...

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Superconductivity

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practice, currents injected in superconducting coils have persisted for more than 27 years (as of August 2022) in superconducting gravimeters. In such instruments...

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Superconducting quantum computing

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Superconducting quantum computing is a branch of solid state quantum computing that implements superconducting electronic circuits using superconducting...

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Pi Josephson junction

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Josephson junction (JJ) is a quantum mechanical device which is made of two superconducting electrodes separated by a barrier (thin insulating tunnel barrier...

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STJ

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(disambiguation) St. John's University (New York) Superconducting tunnel junction Severn Tunnel Junction railway station, Wales; National Rail station code...

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Phase qubit

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specifically in superconducting quantum computing, the phase qubit is a superconducting device based on the superconductor–insulator–superconductor (SIS) Josephson...

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Xuntian

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receiver using niobium nitride (NbN)-based superconducting tunnel junction (Superconductor-Insulator-Superconductor (SIS)) mixer (the NbN SIS mixer). The Multichannel...

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Coulomb blockade

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The devices can comprise either metallic or superconducting electrodes. If the electrodes are superconducting, Cooper pairs (with a charge of minus two...

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Microchannel plate detector

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; Frank, M.; Labov, S. E.; Benner, W. H. (2000). "Using a superconducting tunnel junction detector to measure the secondary electron emission efficiency...

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Unconventional superconductor

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superconductors are materials that display superconductivity which does not conform to conventional BCS theory or its extensions. The superconducting...

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Yttrium barium copper oxide

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semiconducting oxides became superconducting at relatively high temperature, in particular, a lanthanum barium copper oxide becomes superconducting at 35 K. This oxide...

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Infrared astronomy

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detectors, low temperature bolometer arrays or photon-counting Superconducting Tunnel Junction arrays. Special requirements for infrared astronomy include:...

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Sis

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bicycle transmission design Single-image stereogram Superconductor-insulator-superconductor tunnel junction Swedish National Board of Institutional Care, abbreviated...

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Josephson voltage standard

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standards. Josephson's equation for the supercurrent through a superconductive tunnel junction is given by I = I c sin ⁡ ( 4 π e h ∫ V d t ) {\displaystyle...

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Andreev reflection

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electrodes form two separate junctions with a superconductor, with the junction separation of the order of the BCS superconducting coherence length of the...

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Harry Kroger

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434,530 Superconducting semiconducting cross-bar circuit 5,388,068 Superconductor-semiconductor hybrid memory circuits with superconducting three-terminal...

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Josephson junction count

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The Josephson junction count is the number of Josephson junctions on a superconducting integrated circuit chip. Josephson junctions are active circuit...

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Thermographic camera

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A number of superconducting and non-superconducting cooled bolometer technologies exist. In principle, superconducting tunneling junction devices could...

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Mercury cadmium telluride

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bolometers (see uncooled infrared camera), InSb and photon-counting superconducting tunnel junction (STJ) arrays. Quantum well infrared photodetectors (QWIP),...

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Brian Josephson

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supercurrent could tunnel through a thin barrier, predicting, according to physicist Andrew Whitaker, that "at a junction of two superconductors, a current will...

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