JP2010526746A - 発光ダイヤモンドナノ粒子を製造する方法 - Google Patents
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Abstract
−照射線量が1cm2当たり1017個から1019個の電子になるように、前記ダイヤモンドに電子ビームを照射するステップ(12)と、
−電子ビームを照射したダイヤモンドを、真空中または不活性雰囲気中で、700℃を超える温度で少なくとも1時間アニールするステップ(14)とを含み、
前記電子ビームが、7MeVを超える加速エネルギーを有することを特徴とする方法。
Description
−格子サイトに原子が存在しないことに起因する欠陥である空孔(V)。
−構造中に、通常原子が位置する格子サイト間のある位置に、余分な原子が導入されている場合の格子間原子、たとえば格子間窒素原子(NI)。
−特定のタイプの原子が異なるタイプの原子で置き換わっていることを伴う置換原子、たとえば炭素原子に置き換わっている孤立した/単一の置換窒素原子(NS)。
高温高圧プロセスによって成長させた、サイズが150μmを超えており、且つ、孤立した置換窒素を含む(窒素で置換され、窒素が孤立して存在している)ダイヤモンドから、窒素空孔中心を含むダイヤモンドを製造する方法であって、
−照射線量が1cm2当たり1017個から1019個の電子になるように、前記ダイヤモンドに電子ビームを照射するステップと、
−電子ビームを照射したダイヤモンドを、真空中または不活性雰囲気中で、700℃を超える温度で少なくとも1時間アニールするステップとを含み、
前記電子ビームが、7MeVを超える加速エネルギーを有することを特徴とする方法である。
Claims (14)
- 高温高圧プロセスによって成長させた、サイズが150μmを超えており、且つ、窒素で置換され、窒素が孤立して存在しているダイヤモンドから、窒素空孔中心を含むダイヤモンドを製造する方法であって、
−照射線量が1cm2当たり1017個から1019個の電子になるように、前記ダイヤモンドに電子ビームを照射するステップ(12)と、
−電子ビームを照射したダイヤモンドを、真空中または不活性雰囲気中で、700℃を超える温度で少なくとも1時間アニールするステップ(14)とを含み、
前記電子ビームが、7MeVを超える加速エネルギーを有することを特徴とする方法。 - 前記電子ビームの加速エネルギーが15MeV未満である、請求項1に記載の方法。
- 前記電子ビームの加速エネルギーが8MeVから10MeVまでの間である、請求項2に記載の方法。
- 照射中、ダイヤモンドの温度は80℃以下の温度に維持される、請求項1、2または3に記載の方法。
- 前記ダイヤモンドは、前記ダイヤモンドの間を循環する液体流によって冷却される、請求項4に記載の方法。
- 前記液体は主に水からなる、請求項5に記載の方法。
- 前記アニール処理は、800℃から850℃までの間の温度で実施される、請求項1から6のいずれかに記載の方法。
- 前記アニール処理は、2時間未満の間、実施される、請求項7に記載の方法。
- 前記照射において、前記ダイヤモンドのサイズは0.1μmを超える、請求項1から8のいずれかに記載の方法。
- アニール処理後、前記ダイヤモンドは、サイズが20nm未満のダイヤモンドナノ粒子に粉砕される、請求項9に記載の方法。
- 1μm3当たり600個を超える窒素空孔中心を含むことを特徴とするダイヤモンド。
- 請求項1から10のいずれかに記載の方法で製造され、サイズが15nmから20nmまでの間にあるダイヤモンドナノ粒子を含む、窒素空孔中心を含むダイヤモンド粉末。
- 請求項11に記載のダイヤモンドの、量子暗号システムの発光体としての使用。
- 請求項11に記載のダイヤモンドナノ粒子を含む単一粒子バイオマーカー。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07290593A EP1990313A1 (en) | 2007-05-10 | 2007-05-10 | Method to produce light-emitting nano-particles of diamond |
EP07290593.8 | 2007-05-10 | ||
PCT/EP2008/055647 WO2008138841A1 (en) | 2007-05-10 | 2008-05-07 | Method to produce light-emitting nano-particles of diamond |
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JP2010526746A true JP2010526746A (ja) | 2010-08-05 |
JP5782587B2 JP5782587B2 (ja) | 2015-09-24 |
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US (2) | US8574536B2 (ja) |
EP (2) | EP1990313A1 (ja) |
JP (1) | JP5782587B2 (ja) |
KR (1) | KR101494251B1 (ja) |
CN (1) | CN101679040A (ja) |
RU (1) | RU2466088C2 (ja) |
WO (1) | WO2008138841A1 (ja) |
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JP2013527117A (ja) * | 2010-06-03 | 2013-06-27 | エレメント シックス リミテッド | ダイヤモンド工具 |
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US9017632B2 (en) | 2009-06-26 | 2015-04-28 | Element Six Technologies Limited | Diamond material |
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JP2013527117A (ja) * | 2010-06-03 | 2013-06-27 | エレメント シックス リミテッド | ダイヤモンド工具 |
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US8884251B2 (en) | 2010-06-03 | 2014-11-11 | Element Six Limited | Diamond tools |
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JP2014095025A (ja) * | 2012-11-08 | 2014-05-22 | Osaka Univ | ダイヤモンド複合粒子 |
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KR20210147474A (ko) * | 2020-05-29 | 2021-12-07 | 한국과학기술연구원 | 형광 나노 다이아몬드의 제조 방법 |
KR102400579B1 (ko) | 2020-05-29 | 2022-05-23 | 한국과학기술연구원 | 형광 나노 다이아몬드의 제조 방법 |
WO2022208841A1 (ja) * | 2021-04-01 | 2022-10-06 | 株式会社ダイセル | 蛍光ナノダイヤモンドの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US8932554B2 (en) | 2015-01-13 |
US8574536B2 (en) | 2013-11-05 |
WO2008138841A1 (en) | 2008-11-20 |
EP1990313A1 (en) | 2008-11-12 |
EP2142474A1 (en) | 2010-01-13 |
CN101679040A (zh) | 2010-03-24 |
JP5782587B2 (ja) | 2015-09-24 |
EP2142474B1 (en) | 2018-07-11 |
RU2466088C2 (ru) | 2012-11-10 |
RU2009145703A (ru) | 2011-06-20 |
US20100135890A1 (en) | 2010-06-03 |
KR101494251B1 (ko) | 2015-02-23 |
KR20100017762A (ko) | 2010-02-16 |
US20140065424A1 (en) | 2014-03-06 |
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