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Electrical detection of TV2a-type silicon vacancy spin defect in 4H-SiC MOSFETs
https://repo.qst.go.jp/records/84898
https://repo.qst.go.jp/records/8489886a99e60-3e78-4126-9d16-dcc081fd40aa
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-02-10 | |||||
タイトル | ||||||
タイトル | Electrical detection of TV2a-type silicon vacancy spin defect in 4H-SiC MOSFETs | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Yuta, Abe
× Yuta, Abe× Akifumi, Chaen× Sometani, Mitsuru× Harada, Shinsuke× Yuichi, Yamazaki× Takeshi, Ohshima× Umeda, Takehide× Yuta, Abe× Akifumi, Chaen× Yuichi, Yamazaki× Takeshi, Ohshima |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Color centers in silicon carbide (4H-SiC) are potentially usable as spin defects for quantum sensing and quantum information technology. In particular, neutral divacancies (the P6/P7centers, VSiVC 0) and a certain type of silicon vacancies (the TV2a center, VSi - at the k site) are promising for addressing and manipulating single spins. Although the TV2a spin is readable at room temperature, the readout techniques have been limited to luminescence-based ones (e.g., optically detected magnetic resonance). In this study, we demonstrated electrical detection of TV2a-type silicon vacancies at room temperature by using electrically detected magnetic resonance on 4H-SiC metal–oxide–semiconductor field effect transistors (MOSFETs). TV2a spin defects were embedded in the channel region of well-defined 4H-SiC MOSFETs via controlled proton irradiation. The number of detected TV2a spins was estimated to be 10^5. We also found that the charge state of the TV2a spin defect can be controlled by varying the gate voltage applied to the MOSFET. |
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書誌情報 |
Applied Physics Letters 巻 120, p. 064001-1, 発行日 2022-02 |
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出版者 | ||||||
出版者 | AIP publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0003-6951 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/5.0078189 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://aip.scitation.org/doi/full/10.1063/5.0078189 |