在强磁场下工作的低温步进电机

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY

Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI:10.1134/S0020441224701148

A. F. Iafarova, D. I. Kholin, S. S. Sosin

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引用次数: 0

摘要

设计了一种步进电动机，用于在低温恒温器内的实验单元中旋转具有3He泵的样品。该装置基于具有交叉电气绕组的转子，在超导磁体产生的外部磁场中工作。电机的原型被安装在一个带矩形谐振器的微波光谱仪上。在温度为0.5-7.5 K的弱铁磁体\({\text{MnC}}{{{\text{O}}}_{3}}\)中，在距离初始位置±100°的角度范围内，获得了磁共振谱的角依赖性测试。对电池和低温恒温器的过热进行了研究，并对该机制运行过程中的放热进行了估计。

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Low-temperature Stepper Motor Operating in High Magnetic Field

A stepper electric motor has been designed to rotate a sample in an experimental cell inside a cryostat with ³He pumping. The device based on a rotor with crossed electrical windings, operates in an external magnetic field generated by a superconducting magnet. A prototype of the motor was mounted on a microwave spectrometer with a rectangular resonator. Test angular dependence of the magnetic resonance spectrum was obtained in a well-studied weak ferromagnet \({\text{MnC}}{{{\text{O}}}_{3}}\) at temperatures 0.5–7.5 K in the range of angles ±100° from the initial position. Overheating of the cell and cryostat was studied and the heat release during operation of the mechanism was estimated.

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来源期刊

Instruments and Experimental Techniques 工程技术-工程：综合

CiteScore

1.20

自引率

33.30%

发文量

113

审稿时长

4-8 weeks

期刊介绍： Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.