Faraday rotation in nitrogen-doped diamond measured by polarized terahertz time-domain spectroscopy in the presence of strong magnetic field
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Affiliation:

1.School of Physics and Astronomy and Yunnan Key laboratory of Quantum Information, Yunnan University, Kunming 650091, China;2.Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China;3.Micro Optical Instruments Inc., Shenzhen 518118, China;4.Chongqing Qrigin Crystal Science & Technology Development Co. LTD, Chongqing 400030, China;5.College of New Materials and New Energies, Shenzhen Technology University, Shenzhen 515118, China

Clc Number:

O469

Fund Project:

Supported by the National Natural Science Foundation of China (U2230122, U2067207, 12004331); Shenzhen Science and Technology Program (KQTD20190929173954826, 20220716001753001, SZWD2021015); The University Engineering Research Center of Crystal Growth and Applications of Guangdong Province (2020GCZX005); SZTU School-Enterprise Cooperation Project (2021010802002)

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    Abstract:

    Nitrogen (N)-doped diamond (N-D) is one of the most important carbon-based electronic materials and has many interesting and unique features in terms of physics owing to the presence of N related color centers. In this paper, the terahertz (THz) magneto-optical (MO) properties of N-D grown by microwave plasma chemical vapor deposition (MPCVD) are investigated. By using polarized THz time-domain spectroscopy (TDS) in the presence of magnetic field from 0 to 8 T, the THz transmission through an N-D sample in Faraday geometry is measured at 80 K. The dependence of the Faraday rotation angle and ellipticity, the complex transverse or Hall MO conductivity and the complex dielectric constant upon the magnetic field for N-D are examined. The results show that N-D has excellent THz MO Faraday rotation effect and can be applied as THz rotatory material.

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XIAO Huan, WEN Hua, XU Wen, ZHANG Jing, CHENG Xing-Jia, XIAO Yi-Ming, DING Lan, LI Hao-Wen, CHENG Yan-Zhe, HE Bin. Faraday rotation in nitrogen-doped diamond measured by polarized terahertz time-domain spectroscopy in the presence of strong magnetic field[J]. Journal of Infrared and Millimeter Waves,2023,42(6):755~761

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History
  • Received:January 12,2023
  • Revised:October 24,2023
  • Adopted:April 25,2023
  • Online: October 23,2023
  • Published: