Determination of local defect density in diamond by double electron-electron resonance,Physical Review B

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Determination of local defect density in diamond by double electron-electron resonance
Physical Review B ( IF 3.2 ) Pub Date : 2021-09-24 , DOI: 10.1103/physrevb.104.094307
Shang Li ₁ , Huijie Zheng ₂ , Zaili Peng ₃ , Mizuki Kamiya ₁ , Tomoyuki Niki ₁ , Viktor Stepanov ₃ , Andrey Jarmola _{4,

5} , Yasuhiro Shimizu ₁ , Susumu Takahashi _{3,

6} , Arne Wickenbrock _{2,

7} , Dmitry Budker _{2,

4,

7}

Affiliation

Magnetic impurities in diamond influence the relaxation properties and thus limit the sensitivity of magnetic, electric, strain, and temperature sensors based on nitrogen-vacancy color centers. Diamond samples may exhibit significant spatial variations in the impurity concentrations hindering the quantitative analysis of relaxation pathways. Here, we present a local measurement technique which can be used to determine the concentration of various species of defects by utilizing double electron-electron resonance. This method will help to improve the understanding of the physics underlying spin relaxation and guide the development of diamond samples, as well as offering protocols for optimized sensing.

中文翻译：

双电子-电子共振法测定金刚石局部缺陷密度

金刚石中的磁性杂质会影响弛豫特性，从而限制基于氮空位色心的磁、电、应变和温度传感器的灵敏度。金刚石样品的杂质浓度可能会出现显着的空间变化，从而阻碍了弛豫路径的定量分析。在这里，我们提出了一种局部测量技术，该技术可用于通过利用双电子 - 电子共振来确定各种缺陷的浓度。这种方法将有助于提高对自旋弛豫物理基础的理解，指导金刚石样品的开发，并提供用于优化传感的协议。

更新日期：2021-09-24

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