2019年11月
Electrical Control of Cyclotron Resonance in Dual-Gated Trilayer Graphene
NANO LETTERS
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- 巻
- 19
- 号
- 11
- 開始ページ
- 8097
- 終了ページ
- 8102
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1021/acs.nanolett.9b03280
- 出版者・発行元
- AMER CHEMICAL SOC
Landau levels (LLs) of ABA-stacked trilayer graphene (TLG) are described as the combination of monolayer graphene-like LLs and bilayer graphene-like LLs. They are extremely sensitive to the applied perpendicular electric displacement field D. Here, we demonstrate the electrical control of cyclotron resonance (CR) in a dual-gated ABA-stacked TLG. Under the irradiation of mid-infrared light, we observed the photovoltage induced by the CR absorption through the photothermoelectric effect. The resonant magnetic field in CR is changed by applying D while keeping the carrier density constant. Numerical simulations based on the tight-binding model complement the experimental observations. We believe that the present study provides a boost to graphene-based photodetectors and photoemitters with an electrically tunable wavelength in mid-infrared to terahertz spectral ranges.
- リンク情報
- ID情報
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- DOI : 10.1021/acs.nanolett.9b03280
- ISSN : 1530-6984
- eISSN : 1530-6992
- Web of Science ID : WOS:000497259300063