Optimal amount of vacancy in diamond for negative-charge stability of NV centers at various nitrogen concentration

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公開日
2020-12-17
アクセス権
非共有・非公開
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データ作成者 (e-Rad)
  • Shinei, Chikara
  • Miyakawa, Masashi
  • Shuya, Ishii
  • Seiichi, Saiki
  • Shinobu, Onoda
  • Watanabe, Kenji
  • Taniguchi, Takashi
  • Takeshi, Ohshima
  • Teraji, Tokuyuki

説明

we consider the total amount of NV center in diamond as an indicator of amount of vacancy assuming all vacancies created in diamond were coupled with nitrogen during the consecutive annealing. In this study, we investigate the dependence of the negative-charge stability of NV centers, [NV-]/[NV0] ratio, on the percentage of vacancies to nitrogen, [NVT]/[P1] ratio. Our result indicates that the negative-charge stability is realized at [NVT]/[P1] < 0.2 except for the case in which [NV-] is compatible to residual [B].

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