Experimental device for observing superconducting transition of superconductor

Abstract

The invention relates to an experimental device for observing superconducting transition of a superconductor. The experimental device comprises a cavity structure, a safety value, an electric connecting joint, a vacuumizing and pressure maintaining mechanism, a connecting pipe, a conductive part and an experimental cylinder, wherein four connectors are arranged on the cavity structure, and the four connectors are respectively a connector A, a connector B, a connector C and a connector D; the safety valve is in sealing connection with the connector A; the electric connecting joint is arranged at the connector B in a sealing manner; the vacuumizing and pressure maintaining mechanism is in sealing connection with the connector C, and is used for vacuumizing the whole leak rate detection device and controlling and maintaining the pressure; the connecting pipe is a pipe body with openings at the two ends, one end of the connecting pipe is in sealing connection with the connector D and a placing frame used for installing a superconductor is arranged at the other end of the connecting pipe; the conductive part penetrates through the cavity structure and the interior of the connecting pipe, and the two ends of the conductive part are electrically connected to the electric connecting joint and the superconductor respectively; and the experimental cylinder is a cylinder body with an opening at one end, the experimental cylinder sleeves the placing frame, and the opening of the experimental cylinder is in sealing connection with the other end of the connecting pipe. The experimental device has the advantages that the structure design is simple, the operation is easy, the device cost is low, and the superconducting transition of the superconductor can be effectively studied and observed.

Description

technical field [0001] The invention relates to the research technology of the superconducting transition of a superconductor, in particular to an experimental device for observing the superconducting transition of a superconductor. Background technique [0002] At present, the comprehensive physical property measurement system PPMS is generally used to measure the change of resistance with temperature or the superconducting quantum interferometer SQUID is used to measure the diamagnetic effect to observe the phenomenon of superconducting transition in superconductors, but these two instruments are expensive and complicated to operate. Application is more difficult. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an experimental device for observing the superconducting transition of a superconductor, which effectively overcomes the defects of the prior art. [0004] The technical scheme of the present invention ...

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Problems solved by technology

[0002] At present, the comprehensive physical property measurement system PPMS is generally used to measure the change of resistance with temperature or the superconducting quantum interferometer SQUID is used to measure the diamagnetic effect to observe the phenomenon of superconducting transition in superconductors, but these two instruments are expensive and complicated to operate. Difficult to apply

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