Journal of East China Normal University(Natural Science) >

2024 , Vol. 2024 >Issue 4: 40 - 46

DOI: https://doi.org/10.3969/j.issn.1000-5641.2024.04.004

Physics and Electronics

Research on an isothermal remanent magnetization detection system based on the rubidium atomic ensemble

  • Yue CHEN ,
  • Zichang WANG ,
  • Guzhi BAO ,
  • Yuan WU ,
  • Liqing CHEN
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  • 1. School of Physics and Electronic Science, East China Normal University, Shanghai　200241, China
    2. School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai　200240, China

Received date: 2023-02-09

  Online published: 2024-07-23

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Abstract

Isothermal remanent magnetization(IRM) is an important research topic in the analysis of material magnetic characteristics. However, owing to its low sensitivity, large volume, and high maintenance cost, the classical IRM measurement system cannot satisfy the practical requirements. Therefore, it is necessary to develop the IRM measurement system to attain a high sensitivity and small size. The magnetic field measurement technology based on the rubidium atomic ensemble has the advantages of high sensitivity and small size; accordingly, in this study, an IRM measurement system based on rubidium atomic ensemble is proposed. Here we focus on the design process regarding the magnetization device and residual magnetism detection device. More importantly, the IRM measurement system can successfully detect the soil samples collected from the Cherry River in Minhang Campus of East China Normal University. Our research demonstrates that the proposed detection system is easy to operate and maintain. Moreover, it has significant application prospects in the fields of environmental magnetism, geological exploration, and biological magnetic field measurement.

Key words： isothermal remanent magnetization; rubidium atomic ensemble; magnetic property

Cite this article

Yue CHEN , Zichang WANG , Guzhi BAO , Yuan WU , Liqing CHEN . Research on an isothermal remanent magnetization detection system based on the rubidium atomic ensemble[J]. Journal of East China Normal University(Natural Science), 2024 , 2024(4) : 40 -46 . DOI: 10.3969/j.issn.1000-5641.2024.04.004

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