Monitoring spin coherence of single nitrogen-vacancy centers in nanodiamonds during pH changes in aqueous buffer solutions.
Monitoring spin coherence of single nitrogen-vacancy centers in nanodiamonds during pH changes in aqueous buffer solutions.
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我们报告了量子纳米传感器在水性缓冲溶液中的传感稳定性，用于量子退相干光谱和纳米级测温两种检测方案。通过观察单个纳米金刚石在 pH 从 4 到 11 的连续变化期间，对 25 nm 尺寸纳米金刚石中单个氮空位 (NV) 中心的电子自旋特性进行了表征。我们确定了 NV 量子传感器在 pH 变化期间的稳定性，因为自旋相干时间 (T2) 和共振频率的波动为 ±12% 和 ±0.2 MHz (ω0) 它们的平均值，与测量系统的仪器误差相当。我们讨论了表征 pH 变化期间传感稳定性的重要性，以及当前观察结果如何影响基于纳米金刚石的 NV 量子传感的测量方案。我们报告了量子纳米传感器在水性缓冲溶液中的传感稳定性，用于量子退相干光谱和纳米级测温两种检测方案。
We report on the sensing stability of quantum nanosensors in aqueous buffer solutions for the two detection schemes of quantum decoherence spectroscopy and nanoscale thermometry. The electron spin properties of single nitrogen-vacancy (NV) centers in 25 nm-sized nanodiamonds have been characterized by observing individual nanodiamonds during a continuous pH change from 4 to 11. We have determined the stability of the NV quantum sensors during the pH change as the fluctuations of ±12% and ±0.2 MHz for the spin coherence time (T2) and the resonance frequency (ω0) of their mean values, which are comparable to the instrument error of the measurement system. We discuss the importance of characterizing the sensing stability during the pH change and how the present observation affects the measurement scheme of nanodiamond-based NV quantum sensing. We report on the sensing stability of quantum nanosensors in aqueous buffer solutions for the two detection schemes of quantum decoherence spectroscopy and nanoscale thermometry.
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影响因子：
2.1
作者：
Beranova, Jana;Seydlova, Gabriela;Kromka, Alexander
通讯作者：
Kromka, Alexander
影响因子：
1.6
作者：
Genjo, Takuya;Sotoma, Shingo;Shirakawa, Masahiro
通讯作者：
Shirakawa, Masahiro
影响因子：
38.3
作者：
Geiselmann, Michael;Juan, Mathieu L.;Quidant, Romain
通讯作者：
Quidant, Romain
DOI：
10.1073/pnas.1504451113
发表时间：
2016-04-12
影响因子：
11.1
作者：
Karaveli, Sinan;Gaathon, Ophir;Englund, Dirk
通讯作者：
Englund, Dirk
影响因子：
3.5
作者：
Cole, Jared H.;Hollenberg, Lloyd C. L.
通讯作者：
Hollenberg, Lloyd C. L.