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Locking of electron spin coherence above 20 ms in natural silicon carbide
https://repo.qst.go.jp/records/48710
https://repo.qst.go.jp/records/48710008fa678-bee9-4d75-bbf8-1638954cadfe
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-04-12 | |||||
タイトル | ||||||
タイトル | Locking of electron spin coherence above 20 ms in natural silicon carbide | |||||
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 |
Simin, D.
× Simin, D.× Kraus, H.× Sperlich, A.× 大島, 武× V., Astakhov G.× Dyakonov, V.× 大島 武 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It is demonstrated that Silicon carbide (SiC) with a natural isotope abundance can preserve a coherent spin superposition in silicon vacancies over an unexpectedly long time exceeding 20 ms. The spin-locked subspace with a drastically reduced decoherence rate is attained through the suppression of heteronuclear spin crosstalking by applying a moderate magnetic field in combination with dynamic decoupling from the nuclear spin baths. Furthermore, Several phonon-assisted mechanisms of spin-lattice relaxation is identidied, and it is found that it can be extremely long at cryogenic temperatures, equal to or even longer than 10 s. | |||||
書誌情報 |
Phys. Rev. B 巻 95, 号 16, p. 161201-1-161201-5, 発行日 2017-04 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1103/PhysRevB.95.161201 |