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The ability to perform nanoscale electric field imaging of elementary charges at ambient temperatures will have diverse interdisciplinary applications. While the nitrogen-vacancy (NV) center in diamond is capable of high-sensitivity…

Mesoscale and Nanoscale Physics · Physics 2021-04-28 M. S. J Barson , L. M. Oberg , L. P. McGuinness , A. Denisenko , N. B. Manson , J. Wrachtrup , M. W. Doherty

The negatively charged nitrogen-vacancy defect (NV)$^-$ in diamond has attracted much attention in recent years in qubit and biological applications. The negative charge is donated from nearby nitrogen donors that could limit or stem the…

Materials Science · Physics 2009-02-16 Adam Gali

In diamond, nitrogen defects like the substitutional nitrogen defect (Ns) or the nitrogen-vacancy-hydrogen complex (NVH) outnumber the nitrogen vacancy (NV) defect by at least one order of magnitude creating a dense spin bath. While neutral…

The nitrogen vacancy (NV) center in diamond is a versatile color center used for magnetometry, quantum computing, and quantum communications. In this article, using a single laser beam as a pump and probe, we measure the spin states of the…

Applied Physics · Physics 2025-05-28 Reza Kashtiban , Gavin W. Morley , Mark E. Newton , A T M Anishur Rahman

Powered by the mutual developments in instrumentation, materials andtheoretical descriptions, sensing and imaging capabilities of quantum emitters insolids have significantly increased in the past two decades. Quantum emitters insolids,…

Applied Physics · Physics 2019-09-11 Mariusz Radtke , Ettore Bernardi , Abdallah Slablab , Richard Nelz , Elke Neu

Nitrogen-vacancy center in diamond is a solid state defect qubit with favorable coherence time up to room temperature which could be harnessed in several quantum enhanced sensor and quantum communication applications, and has a potential in…

Quantum Physics · Physics 2019-09-20 Adam Gali

Nitrogen vacancy (NV) color centers in diamond have emerged as highly versatile optical emitters that exhibit room temperature spin properties. These characteristics make NV centers ideal for magnetometry, which plays an important role in…

Quantum Physics · Physics 2017-07-26 Kangmook Lim , Chad Ropp , Benjamin Shapiro , Jacob M. Taylor , Edo Waks

The NV$^-$ color center in diamond has been extensively investigated for quantum sensing, computation, and communication applications. Nonetheless, charge-state decay from the NV$^-$ to its neutral counterpart the NV$^0$ detrimentally…

Materials Science · Physics 2023-12-22 Rodrick Kuate Defo , Alejandro W. Rodriguez , Steven L. Richardson

The interplay between ion beam modification techniques in the MeV range and the controlled generation of negatively charged nitrogen-vacancy (NV-) centers in nitrogen-doped synthetic diamond crystals is explored. An experimental approach…

A study of the photophysical properties of nitrogen-vacancy (NV) color centers in diamond nanocrystals of size of 50~nm or below is carried out by means of second-order time-intensity photon correlation and cross-correlation measurements as…

Mesoscale and Nanoscale Physics · Physics 2015-01-16 M. Berthel , O. Mollet , G. Dantelle , T. Gacoin , S. Huant , A. Drezet

We investigate native nitrogen (NV) and silicon vacancy (SiV) color centers in commercially available, heteroepitaxial, wafer-sized, mm thick, single-crystal diamond. We observe single, native NV centers with a density of roughly 1 NV per…

The nitrogen-vacancy (NV) centers in diamond sensing has been considered to be a promising micro-nano scale thermometer due to its high stability, good temperature resolution and integration. In this work, we fabricated the sensing core by…

Applied Physics · Physics 2021-11-16 Ke-Chen Ouyang , Zheng Wang , Li Xing , Xiao-Juan Feng , Jin-Tao Zhang , Cheng Ren , Xing-Tuan Yang

The negatively charged nitrogen-vacancy defect ($N-V^-$ center) in diamond is an important atomic-scale structure that can be used as a qubit in quantum computing and as a marker in biomedical applications. Its usefulness relies on the…

Materials Science · Physics 2015-05-13 Adam Gali , Erik Janzén , Péter Deák , Georg Kresse , Efthimios Kaxiras

A dense layer of nitrogen-vacancy (NV) centers near the surface of a diamond can be interrogated in a widefield optical microscope to produce spatially resolved maps of local quantities such as magnetic field, electric field and lattice…

We present a density functional theory analysis of nitrogen-vacancy (NV) centers in diamond which are located in the vicinity of extended defects, namely intrinsic stacking faults (ISF), extrinsic stacking faults (ESF), and coherent twin…

Materials Science · Physics 2021-02-24 Wolfgang Körner , Daniel F. Urban , Christian Elsässer

Nitrogen-vacancy (NV) centers in diamond have attracted considerable interest in sensing of weak magnetic fields, such as those created by biological systems. Detecting such feeble signals requires near-surface NV centers, to reduce the…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 R. Giri , C. Dorigoni , S. Tambalo , F. Gorrini , A. Bifone

Nanodiamonds containing luminescent point defects are widely explored for applications in quantum bio-sensing such as nanoscale magnetometry, thermometry, and electrometry. A key challenge in the development of such applications is a large…

Optics · Physics 2023-02-08 Qiang Sun , Shuo Li , Taras Plakhotnik , Andrew D. Greentree

We demonstrate a spin-based, all-dielectric electrometer based on an ensemble of nitrogen-vacancy (NV$^-$) defects in diamond. An applied electric field causes energy level shifts symmetrically away from the NV$^-$'s degenerate triplet…

We investigate the magnetic field dependent photo-physics of individual Nitrogen-Vacancy (NV) color centers in diamond under cryogenic conditions. At distinct magnetic fields, we observe significant reductions in the NV photoluminescence…

Single charge detection with nanoscale spatial resolution in ambient conditions is a current frontier in metrology that has diverse interdisciplinary applications. Here, such single charge detection is demonstrated using two…