Efficient fabrication method for nitrogen-vacancy color centers for a biomarker

被引：0

作者：

Suk, Jaekwon ^{[1
]}

Lee, Jaeyong ^{[1
]}

Kim, Joonkon ^{[2
]}

Song, Jonghan ^{[2
]}

机构：

[1] Yonsei Univ, Inst Phys & Appl Phys, Seoul 120749, South Korea

[2] Korea Inst Sci & Technol, Adv Anal Ctr, Seoul 136791, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2015年 / 66卷 / 06期

关键词：

Nanodiamond; Ion irradiation; NV color center; FLUORESCENT NANODIAMONDS; DIAMOND;

D O I：

10.3938/jkps.66.1009

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Nitrogen-vacancy (NV) color centers in nanodiamond (ND) are fabricated through three steps, high-energy ion irradiation on ND, high-temperature (800 a"integral) annealing in vacuum and lowtemperature (500 a"integral) annealing in air. Raman measurements show that a surface-graphite layer is formed after annealing at 800 a"integral in vacuum while the graphite formed during ion irradiation is below the detection limit. Annealing at 500 a"integral in air is a crucial step in removing the graphite layer from ND that is ion-irradiated and 800 a"integral-annealed. A strong luminescence from NV color center is observed only after annealing at 500 a"integral in air.

引用

页码：1009 / 1012

页数：4

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