Rotation angle sample rod for electric transport measurement

A sample rod and electrical transport technology, applied in the field of measurement, can solve the problem of low space utilization of the sample stage, and achieve the effect of meeting the opening angle requirements, realizing light weight and ensuring uniqueness.

Pending Publication Date: 2019-12-13
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Aiming at the defects of the prior art, the object of the present invention is to provide a rotating sample holder for electrical trans...

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  • Rotation angle sample rod for electric transport measurement
  • Rotation angle sample rod for electric transport measurement
  • Rotation angle sample rod for electric transport measurement

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032]The invention provides a rotating angle sample rod for electric transport measurement, which can be applied to a precision instrument device for researching angle-dependent electric transport of various new topological materials in a pulsed strong magnetic field environment. The invention can provide a high-precision and high-stability signal detection rod for the electric transport measurement experiment in the strong magnetic field environment. Using a special double-slot limit structure to control the rotation of the sample stage solves the problems of low space utilization and insufficien...

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Abstract

The invention discloses a rotation angle sample rod for electrical transport measurement. The rotation angle sample rod comprises an angle adjusting knob, an angle adjusting dial, a vertical sliding block, a horizontal sliding groove, an inclined sliding groove, a transmission rod and a sample table fixing shaft; the angle adjusting knob is used for manually adjusting the rotation angle of the sample rod by controlling the vertical sliding block to move; the angle adjusting dial is used for displaying the range of the knob; the horizontal sliding groove is located in the center of the verticalsliding block and used for transversely limiting a screw at the upper end of the transmission rod; the inclined sliding groove is formed in a sample rod shell and is used for longitudinally limitinga screw at the upper end of the transmission rod; a screw at the lower end of the transmission rod is connected with a sample table through a rotating shaft hole in the back surface of the sample table and is used for overturning the sample table; the sample table fixing shaft is used for fixing the sample table; and when the sample table is rotated through the sample table fixing shaft, the screwat the upper end of the transmission rod is limited at the intersection of the horizontal sliding groove and the inclined sliding groove. With the rotation angle sample rod adopted, the problem thatthe space utilization rate of an existing sample rod is insufficient is solved.

Description

technical field [0001] The invention belongs to the technical field of measurement, and more particularly relates to a corner sample rod for electric transport measurement. Background technique [0002] In recent years, exploring the material characteristics by changing the angle of the applied magnetic field has gradually become an important means to measure the electrical transport properties of topological materials. The rotation angle measurement method derived from this has opened up a new perspective for the study of various singular properties of matter under strong magnetic fields. Related topics have made great progress in the research of Fermi surface characteristics, superconductivity, and two-dimensional topological surface state behavior. Phased results. On this basis, further increasing the magnetic field strength and extending the electrical transport research of materials to the quantum limit region is an important way to discover more abundant physical phen...

Claims

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Application Information

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IPC IPC(8): G01R31/00G01R1/02G01R1/04
CPCG01R1/02G01R1/04G01R31/00
Inventor 左华坤刘沁莹韩小涛李亮
Owner HUAZHONG UNIV OF SCI & TECH
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