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Transformation of Nitrogen Adsorbed on (111) Diamond Surface into Highly Aligned 2-Dimensional NV Ensemble
https://repo.qst.go.jp/records/78279
https://repo.qst.go.jp/records/78279608a16c2-61d1-4315-b154-62f4154debd0
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2019-12-28 | |||||
タイトル | ||||||
タイトル | Transformation of Nitrogen Adsorbed on (111) Diamond Surface into Highly Aligned 2-Dimensional NV Ensemble | |||||
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_c94f | |||||
資源タイプ | conference object | |||||
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 |
Tatsuishi, T.
× Tatsuishi, T.× Sonoda, T.× Kanehisa, K.× Kawakatsu, K.× Hata, Y.× Nagaoka, K.× Ishii, Y.× Tanii, T.× Onoda, Shinobu× Stacey, A.× Isoya, J.× Kono, S.× Kawarada, H.× Onoda, Shinobu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Nitrogen vacancy (NV) center in diamond is expected as a magnetic sensor with high sensitivity at room temperature and detection of 1H spins out of the substrate by single NV center was reported [1]. For improvement of magnetic sensitivity, aligned shallow NV ensemble is required since the magnetic sensitivity is inversely proportional to a square root of number of NV centers contributing to the measurement [2, 3]. Delta-doping of nitrogen (N) was performed by diamond growth on N-terminated (001) diamond and estimated 2D concentration of NV centers was 1 x 1011 cm-2 [4]. This method can control the depth of NV ensemble precisely unlike ion implantation which are popular methods to fabricate NV ensemble. However, NV centers in the (001) delta-doping layer would be not aligned because possibility of each four sites adjacent to N becoming a vacancy are equivalent. In the case of (111) delta-doping layer, NV centers will be aligned because a top site is more preferable to become a vacancy than other three equivalent sites. Recently, we established the method to fabricate N-terminated diamond with high coverage without any damage on the surface [5]. We succeeded to fabricate aligned two-dimensional NV ensemble from N-terminated (111) diamond with half mono layer coverage embedded by high purity (111) diamond film. |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The 2nd International Forum on Quantum Metrology and Sensing (IFQMS) | |||||
発表年月日 | ||||||
日付 | 2019-12-17 | |||||
日付タイプ | Issued |