11 results about "Superconductor classification" patented technology

A high-temperature superconducting qubit implements a quantum mechanical two-level system. The high-temperature superconducting qubit comprises a first superconductor, a second superconductor, and an overlap region. The first superconductor comprises a first high-temperature superconductor material. The second superconductor comprises a second high-temperature superconductor material. In the overlap region, at least a first section of the first surface and at least a second section of the second surface overlap, the first section and the second section are arranged in parallel at a distance corresponding to a predefined distance, and the first orientation and the second orientation are arranged with an angle corresponding to a predefined angle. The high-temperature superconducting qubit comprises a Josephson junction between the first high-temperature superconductor material and the second high-temperature superconductor material. The Josephson junction provides the quantum mechanical two-level system of the high-temperature superconducting qubit.

The invention discloses a hydrogen-based superconducting material Na2GaCuH6 with a double perovskite structure under normal pressure and a preparation method of the hydrogen-based superconducting material Na2GaCuH6. The material has an Fm-3m space group, the lattice constant is calculated and predicted through the first principle, and the material has the superconducting transition temperature of 42.04 K under the normal pressure condition. The material is composed of four common elements of Na, Ga, Cu and H, and the cost is low; the double perovskite structure is stable in thermodynamics and dynamics under normal pressure; the electro-acoustic coupling constant lambda is approximately equal to 0.98, and medium-intensity electro-acoustic coupling is achieved. Compared with an existing high-voltage hydride superconductor, the material can work without high-voltage equipment, and the preparation and application cost is greatly reduced; compared with a traditional normal-pressure superconductor, the superconductor has a higher Tc value. The material can be applied to the fields of low-temperature superconducting devices, superconducting magnets, quantum computing and the like, and has important scientific research value and application prospect.

The present specification describes a cryogenic temperature sensor comprising: a sample of superconductor material; a current source configured to pass a current through the sample of superconductor material; and a voltage sensor configured to sense a voltage across the superconductor material sample. The temperature sensor further comprises a control unit configured to: control the current source to vary the current through the sample of superconductor material over time while the voltage sensor senses the voltage across the sample of superconductor material; detecting a change in the sensing voltage; and calculating the temperature of the superconductor material sample based on the detected current value at which the sensed voltage changes.

The present disclosure relates to a deposition apparatus (100) for depositing a HTS material onto a first surface (11) of a substrate (10), the deposition apparatus comprising: - a deposition chamber (101) comprising side walls (111, 112); - a substrate transport system for transporting the substrate in the deposition chamber along one or more of the side walls; - a heating system for heating the substrate in the deposition chamber at a first temperature; - a precursor inlet (160) for delivering a gas flow (20) including an HTS material precursor into the deposition chamber; wherein the side walls of the deposition chamber are arranged in such a way that, when the substrate is transported along the one or more side walls of the deposition chamber, a first part (11A) of the first surface faces a second part (11B) of the first surface.

A method of forming a superconducting device includes depositing a superconducting metal nitride layer over a substrate in a plasma processing chamber charged with a first inert gas including nitrogen gas and a different second inert gas. The depositing includes sputtering metal from a metal target using the second inert gas, the sputtered metal being provided to the substrate along with a portion of the nitrogen gas.

The invention discloses a method and system for testing the performance of a copper oxide high-temperature superconductor, and belongs to the technical field of intelligent sensing systems, and the method comprises the steps: obtaining an original resistance-temperature change curve and a plurality of measurement resistance-temperature change curves of the copper oxide high-temperature superconductor; marking an attenuation initial temperature and a superconducting initial temperature in the resistance-temperature change curve to obtain a minimum temperature deviation of the attenuation initial temperature; screening an attenuation initial change trend section; acquiring an attenuation change steep coefficient to obtain a corrected temperature deviation of the attenuation initial temperature; obtaining an attenuation initial temperature interval and a trend influence factor of each measurement temperature in the attenuation initial temperature interval; obtaining an adjustment weight of each measurement temperature, and obtaining an adjusted attenuation initial temperature; obtaining the adjusted superconducting initial temperature; the critical temperature is obtained, and the performance test of the copper oxide high-temperature superconductor is achieved. According to the invention, the critical temperature of the copper oxide high-temperature superconductor can be tested and determined more accurately and stably.

A superconductor-based quantum computer and an operating method thereof are disclosed. A superconductor-based quantum computer according to one embodiment includes a lower layer including a multi-chip module, a middle layer connected with the lower layer, and an upper layer connected with the middle layer. The upper layer includes a qubit layer, the middle layer includes a superconductor transmission line through which electromagnetic waves for controlling the qubit layer are transmitted, and a first coupling rate control element provided to adjust a coupling rate between the transmission line and the qubit layer. The first coupling rate control element includes a physically movable material layer, a boundary of which is movable depending on a voltage applied thereto, and a metal layer provided on a surface of the movable material layer, the metal layer facing the qubit layer and forming a capacitive coupling with the qubit layer and the transmission line.

The application discloses a kind of based on multisensor fusion's superconductor quench detection method, system and medium related to superconductor quench detection technical field, the method includes: by the multiple different types of sensors arranged, acquisition is used to describe the multidimensional original data of superconductor operating state in first set time range;Key features are extracted based on the original data;The key features are characterized in the time series features of superconductor operating state evolution trend in the first set time range;The key features are input to LSTM network for processing, obtain the predicted features in future second set time range, and output the quench probability of superconductor based on the predicted features;Based on the quench probability, quench risk level is judged, and based on the quench risk level, intervention operation is executed.The method can solve the problem that measures are taken after quench has occurred, and quench risk cannot be predicted in advance and intervened.

There is a superconducting article that includes a superconducting film comprising a substrate, one or more buffer layers, and a high temperature superconducting (HTS) layer. The superconducting layer may be comprised of the chemical composition REBa2Cu3O7-x, where RE is one or more rare earth elements, for example: Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. The superconductor layer is produced using Photo-Assisted Metal Organic Chemical Vapor Deposition (PAMOCVD) and contains non-superconducting nanoparticles. The nanoparticles are substantially provided in the a-b plane and naturally oriented. The non-superconducting nanoparticles provide flux pinning centers that improve the critical current properties of the superconducting film.