Observation of magnetoconductivity with terahertz probes for ferromagnetic Fe films
- Title
- Observation of magnetoconductivity with terahertz probes for ferromagnetic Fe films
- Author(s)
- Huang, Lin ; Zhao, Yunxiu ; Le Thi, Nguyen ; Lee, Sang-Hyuk ; Peng, Zhi ; Kim, Seongheun ; Shin, Hee Jun ; Park, Jaehun ; Kim, Hyun-Joong ; Hong, Jung-Il ; Bang, Junhyeok ; Lee, Hyun Seok ; Kim, Kyung Wan ; Kim, Dong-Hyun
- Issued Date
- 2022-09
- Citation
- Current Applied Physics, v.41, pp.81 - 85
- Type
- Article
- Author Keywords
- Magnetotransport ; Spin-dependent conductivity ; Terahertz time-domain spectroscopy ; Drude model
- Keywords
- TRANSPORT-PROPERTIES ; CARRIER-DYNAMICS
- ISSN
- 1567-1739
- Abstract
- Ultrafast characterization of spin-dependent transport behavior in ferromagnetic systems without contact probes has been of strong demand, recently. We have experimentally investigated spin-dependent complex conductivity for ferromagnetic Fe films of various thickness by means of terahertz time-domain transmission spectroscopy. Comparison of the transmitted terahertz wave amplitude and the spin-dependent conductivity reveals that the magnetization state of films effectively determines the complex conductivity. Non-invasive observation of spin-dependent conductivity by contact-free terahertz probe method is proven to be promising in further investigating spintronic materials, particularly on an ultrafast timescale. © 2022 Korean Physical Society
- Publisher
- Elsevier
- Related Researcher
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Hong, Jung-Il
- Research Interests Electric and Magnetic Properties of Nanostructured Materials; Spintronics
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- Appears in Collections:
- Department of Physics and Chemistry Spin Nanotech Laboratory 1. Journal Articles
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