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We demonstrate fully three-dimensional and patterned localization of nitrogen-vacancy (NV) centers in diamond with coherence times in excess of 1 ms. Nitrogen {\delta}-doping during CVD diamond growth vertically confines nitrogen to 4 nm…

Mesoscale and Nanoscale Physics · Physics 2016-05-04 Claire A. McLellan , Bryan A. Myers , Stephan Kraemer , Kenichi Ohno , David D. Awschalom , Ania C. Bleszynski Jayich

In quantum sensing of magnetic fields, ensembles of nitrogen-vacancy centers in diamond offer high sensitivity, high bandwidth and outstanding spatial resolution while operating in harsh environments. Moreover, the orientation of defect…

In this Letter, we proposed and experimentally demonstrated a method to detect vector magnetic field with a single nitrogen vacancy (NV) center in diamond. The magnetic field in parallel with the axis of the NV center can be obtained by…

Quantum Physics · Physics 2013-05-24 X. -D. Chen , F. -W. Sun , C. -L. Zou , J. -M. Cui , L. -M. Zhou , G. -C. Guo

Megabar pressures are of crucial importance for cutting-edge studies of condensed matter physics and geophysics. With the development of diamond anvil cell, laboratory studies of high pressure have entered the megabar era for decades.…

Quantum Physics · Physics 2024-09-26 Jian-Hong Dai , Yan-Xing Shang , Yong-Hong Yu , Yue Xu , Hui Yu , Fang Hong , Xiao-Hui Yu , Xin-Yu Pan , Gang-Qin Liu

Quantum sensors based on nitrogen-vacancy centers in diamond have emerged as a promising detection modality for nuclear magnetic resonance (NMR) spectroscopy owing to their micron-scale detection volume and non-inductive based detection. A…

Biocompatible nanoscale probes for sensitive detection of paramagnetic species and molecules associated with their (bio)chemical transformations would provide a desirable tool for a better understanding of cellular redox processes. Here, we…

Engineering shallow nitrogen-vacancy (NV) centers in diamond holds the key to unlocking new advances in nanoscale quantum sensing. We find that the creation of near-surface NVs through delta doping during diamond growth allows for tunable…

An ensemble of nitrogen-vacancy (NV) centers in diamond is an attractive device to detect small magnetic fields. In particular, by exploiting the fact that the NV center can be aligned along one of four different axes due to symmetry, it is…

Optically-detected paramagnetic centers in wide-bandgap semiconductors are emerging as a promising platform for nanoscale metrology at room temperature. Of particular interest are applications where the center is used as a probe to…

Mesoscale and Nanoscale Physics · Physics 2015-12-09 Abdelghani Laraoui , Daniela Pagliero , Carlos A. Meriles

Photonic structures in diamond are key to most of its application in quantum technology. Here, we demonstrate tapered nano-waveguides structured directly onto the diamond substrate hosting shallow-implanted nitrogen vacancy (NV) centers. By…

The integration of NMR and high pressure technique brings unique opportunities to study electronic, structural and dynamical properties under extreme conditions. Despite a great degree of success has been achieved using coil-based schemes,…

Quantum Physics · Physics 2022-03-22 Yan-Xing Shang , Fang Hong , Jian-Hong Dai , Ya-Nan Lu , Hui Yu , Yong-Hong Yu , Xiao-Hui Yu , Xin-Yu Pan , Gang-Qin Liu

The nitrogen-vacancy (NV) center in diamond is emerging as a powerful tool for imaging magnetic and electric signals at the microscale and below. However, most imaging demonstrations thus far have relied on costly, millimeter-sized bulk…

We present a study of the spin properties of dense layers of near-surface nitrogen-vacancy (NV) centres in diamond created by nitrogen ion implantation. The optically detected magnetic resonance contrast and linewidth, spin coherence time,…

The nitrogen-vacancy (NV) center in diamond allows room-temperature wide-field quantum magnetometry and metrology for a small volume, which is an important technology for applications in biology. Although coherence of the NV center has a…

The photoluminescence of nitrogen-vacancy (NV) centers in diamond nanoparticles exhibits specific properties as compared to NV centers in bulk diamond. For instance large fluctuations of lifetime and brightness from particle to particle…

Optics · Physics 2011-07-05 J. -J. Greffet , J. -P. Hugonin , M. Besbes , N. D. Lai , F. Treussart , J. -F. Roch

Nitrogen-vacancy centers in diamond have recently been established as effective sensors of the magnetization dynamics in vicinal ferromagnetic materials. We demonstrate sub-100 nm placement accuracy of nitrogen-vacancy-containing…

Mesoscale and Nanoscale Physics · Physics 2023-02-24 Jeffrey Rable , Benjamin Piazza , Jyotirmay Dwivedi , Nitin Samarth

Scanning probe microscopy using nitrogen vacancy (NV) centers in diamond has become a versatile tool with applications in physics, chemistry, life sciences and earth and planetary sciences. However, the fabrication of diamond scanning…

Mesoscale and Nanoscale Physics · Physics 2017-11-28 Tony X. Zhou , Rainer J. Stöhr , Amir Yacoby

Nitrogen-vacancy (NV) centers in diamond are among the most promising solid-state qubit candidates, owing to their exceptionally long spin coherence times, efficient spin-photon coupling, room-temperature operation, and steadily advancing…

Quantum Physics · Physics 2025-04-21 Arjun Raghavan , Seokjin Bae , Nazar Delegan , F. Joseph Heremans , Vidya Madhavan

Nitrogen-vacancy centres (NVs) are promising solid-state nanoscale quantum sensors for applications ranging from material science to biotechnology. Using multiple sensors simultaneously offers advantages for probing spatiotemporal…

Quantum Physics · Physics 2025-11-17 Hao-Cheng Weng , John G. Rarity , Krishna C. Balram , Joe A. Smith

The nitrogen-vacancy (NV) center in diamond is a solid-state spin defect that has been widely adopted for quantum sensing and quantum information processing applications. Typically, experiments are performed either with a single isolated NV…

Quantum Physics · Physics 2025-03-19 Matthew Cambria , Saroj Chand , Caitlin Reiter , Shimon Kolkowitz
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