9 results about "High-temperature superconductivity" 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.

A stellarator, comprising a non-planar magnetic field coil including at least one winding of a high temperature superconductor, HTS, cable (500), the HTS cable (500) comprising in a first cross-section (530): - first multiple layers of superconductor material (100) with: a first geometric orientation (110, 111), a first magnetic orientation (120), and a first angle (310) between the first geometric orientation (110) and the first magnetic orientation (120); - second multiple layers of superconductor material (200) with: a second geometric orientation (210, 211), a second magnetic orientation (220), and a second angle (320) between the second geometric orientation (210) and the second magnetic orientation (220); with a third angle (330) between the first magnetic orientation (120) and the second magnetic orientation (220), wherein the third angle (330) is larger or smaller than o°.

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.

The invention discloses a room-temperature normal-pressure superconducting material and a preparation method thereof. The material is a rare earth-alkaline earth-nickel-oxygen system and has a double-layer perovskite type layered crystal structure, the chemical general formula is RE1-2AE1-2Ni2O6. 9-7.0, the optimal component is La1. 8Ca1. 2Ni2O6. 95, Tc is greater than or equal to 313K under normal pressure, zero resistance and complete diamagnetism are stably presented at-40-85 DEG C, and Jc is greater than or equal to 1 * 10 < 6 > A / cm < 2 > under 77K and 0T. The preparation method comprises the steps of precursor synthesis, material mixing and matching, pre-sintering nucleation, vacuum tube sealing sintering and precise oxygen control annealing, precise regulation and control of the oxygen content and the crystal structure of the material are achieved through vacuum tube sealing oxygen control, rapid sintering and low-temperature precise annealing, continuous equipment can be replaced to achieve kilogram-level batch preparation, the yield is larger than or equal to 85%, and the production cost is low. The device can be in butt joint with an existing high-temperature superconducting material mass production line. The invention belongs to the technical field of superconducting materials, and particularly relates to a room-temperature and normal-pressure superconducting material which is high in material environment adaptability and controllable and repeatable in preparation process and a preparation method of the room-temperature and normal-pressure superconducting material.

The invention relates to a magnetic shielding structure for a high-temperature superconducting quantum voltage standard and a generation method thereof.The magnetic shielding structure is used for providing magnetic field shielding for a to-be-shielded structure and comprises a first shielding layer, a second shielding layer and a third shielding layer, the first shielding layer, the second shielding layer and the third shielding layer are sequentially arranged in the direction from the position away from the to-be-shielded structure to the position close to the to-be-shielded structure, the first shielding layer is a high-conductivity metal material layer and used for shielding an external high-frequency magnetic field, and the second shielding layer is a high-permeability material layer and used for shielding an external low-frequency magnetic field. And the third shielding layer is a high-temperature superconducting material layer and is used for shielding an external weak magnetic field and forming a shielding cavity for accommodating a structure to be shielded. According to the magnetic shielding structure and the generation method thereof, efficient shielding of an external magnetic field is achieved in a multi-layer shielding mode.

A method of manufacturing a high temperature superconductor (HTS) field coil from one or more HTS tapes. Each HTS tape includes a layer of HTS material. The method includes: winding the one or more HTS tapes around an axis to form a field coil including windings of HTS tape; and removing material from an axial edge of one or more of the HTS tapes around at least a portion of one or more of the windings to reduce a range of the one or more HTS tapes along the axis of the field coil.

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 method and system for quench detection in high temperature superconductors, such as REBCO (rare-earth barium copper oxide), before thermal runaway. A REBCO superconducting tape is excited as a transmission line forming standing waves. A quench may then be detected in response to detecting a disturbance of the standing waves. In this manner, quench in high temperature superconductors, such as REBCO, is rapidly detected before thermal runaway.

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.