JKMRS Volume 24, No 2, pp 59, Nanoscale-NMR with Nitrogen Vaca... | |
---|---|
2020년 06월 20일 / 조회수: 531 | |
Nanoscale-NMR with Nitrogen Vacancy center spins in diamond
Junghyun Lee*
Center for Quantum Information, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
Received June 18, 2020; Revised June 19, 2020; Accepted June 19, 2020
Abstract Nitrogen-Vacancy (NV) center in diamond has been an emerging versatile tool for quantum sensing applications. Amongst various applications, nano-scale nuclear magnetic resonance (NMR) using a single or ensemble NV centers has demonstrated promising results, opening possibility of a single molecule NMR for its chemical structural studies or multi-nuclear spin spectroscopy for quantum information science. However, there is a key challenge, which limited the spectral resolution of NMR detection using NV centers; the interrogation duration for NV-NMR detection technique has been limited by the NV sensor spin lifetime (T1 ~ 3ms), which is orders of magnitude shorter than the coherence times of nuclear spins in bulk liquid samples (T2 ~ 1s) or intrinsic 13C nuclear spins in diamond. Recent studies have shown that quantum memory technique or synchronized readout detection technique can further narrow down the spectral linewidth of NMR signal. In this short review paper, we overview basic concepts of nanoscale NMR using NV centers, and introduce further developments in high spectral resolution NV NMR studies.
Keywords NV center, quantum sensing, nanoscale-NMR, synchronized readout
|
|
첨부파일 | 5_JLee.pdf |