Sensing single remote nuclear spins
Publication in refereed journal

香港中文大學研究人員

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摘要The detection of single nuclear spins would be useful for fields ranging from basic science to quantum information technology. However, although sensing based on diamond defects(1,2) and other methods(3) have shown high sensitivity(1-3), they have not been capable of detecting single nuclear spins, and defect-based techniques further require strong defect-spin coupling(4,5). Here, we present the detection and identification of single and remote C-13 nuclear spins embedded in nuclear spin baths surrounding a single electron spin of a nitrogen-vacancy centre in diamond. We are able to amplify and detect the weak magnetic field noise (similar to 10 nT) from a single nuclear spin located similar to 3 nm from the centre using dynamical decoupling control(6-10), and achieve a detectable hyperfine coupling strength as weak as similar to 300 Hz. We also confirm the quantum nature of the coupling, and measure the spin-defect distance and the vector components of the nuclear field. The technique marks a step towards imaging, detecting and controlling nuclear spins in single molecules.
著者Zhao N, Honert J, Schmid B, Klas M, Isoya J, Markham M, Twitchen D, Jelezko F, Liu RB, Fedder H, Wrachtrup J
期刊名稱Nature Nanotechnology
出版年份2012
月份10
日期1
卷號7
期次10
出版社Nature Publishing Group
頁次657 - 662
國際標準期刊號1748-3387
電子國際標準期刊號1748-3395
語言英式英語
Web of Science 學科類別Materials Science; Materials Science, Multidisciplinary; MATERIALS SCIENCE, MULTIDISCIPLINARY; Nanoscience & Nanotechnology; NANOSCIENCE & NANOTECHNOLOGY; Science & Technology - Other Topics

上次更新時間 2021-27-11 於 00:06