English
Related papers

Related papers: Dark defect charge dynamics in bulk chemical-vapor…

200 papers

The nitrogen-vacancy (NV) center in diamond is a promising quantum system for magnetometry applications exhibiting optical readout of minute energy shifts in its spin sub-levels. Key material requirements for NV ensembles are a high NV$^-$…

The negatively charged nitrogen-vacancy (NV-) center in diamond is an attractive candidate for applications that range from magnetometry to quantum information processing. Here we show that only a fraction of the nitrogen (typically < 0.5…

We show that the orientation of nitrogen-vacancy (NV) defects in diamond can be efficiently controlled through chemical vapor deposition (CVD) growth on a (111)-oriented diamond substrate. More precisely, we demonstrate that spontaneously…

Materials Science · Physics 2015-06-18 M. Lesik , J. -P. Tetienne , A. Tallaire , J. Achard , V. Mille , A. Gicquel , J. -F. Roch , V. Jacques

Formation and excitation energies as well charge transition levels, are determined forthe substitutional nitrogen (Ns),the vacancy (V) and related point defects (NV, NVH, N2, N2V and V2) by screened non-local hybrid density functional…

Materials Science · Physics 2013-11-27 Peter Deák , Bálint Aradi , Moloud Kaviani , Thomas Frauenheim , Adam Gali

Control over the charge states of color centers in solids is necessary in order to fully utilize them in quantum technologies. However, the microscopic charge dynamics of deep defects in wide-bandgap semiconductors are complex, and much…

Mesoscale and Nanoscale Physics · Physics 2021-09-08 A. Gardill , I. Kemeny , M. C. Cambria , Y. Li , H. T. Dinani , A. Norambuena , J. R. Maze , V. Lordi , S. Kolkowitz

The nitrogen-vacancy (NV) centre in diamond is emerging as a promising platform for solid-state quantum information processing and nanoscale metrology. Of interest in these applications is the manipulation of the NV charge, which can be…

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

The fluorescent nitrogen-vacancy (NV) defect in diamond has remarkable photophysical properties, including high photostability, which allows stable fluorescence emission for hours; as a result, there has been much interest in using…

The electronic spins of the nitrogen-vacancy centers (NV centers) in Chemical-Vapor-Deposition (CVD) grown diamonds form ideal probes of magnetic fields and temperature, as well as promising qu-bits for quantum information processing.…

Quantum Physics · Physics 2021-03-31 C. Pellet-Mary , P. Huillery , M. Perdriat , A. Tallaire , G. Hétet

Nanodiamond crystals containing single color centers have been grown by chemical vapor deposition (CVD). The fluorescence from individual crystallites was directly correlated with crystallite size using a combined atomic force and scanning…

Materials Science · Physics 2015-05-13 J. R. Rabeau , A. Stacey , A. Rabeau , F. Jelezko , I. Mirza , J. Wrachtrup , S. Prawer

Synthetic diamond production is key to the development of quantum metrology and quantum information applications of diamond. The major quantum sensor and qubit candidate in diamond is the nitrogen-vacancy (NV) color center. This lattice…

We report on the effects of thermal treatment and ultraviolet irradiation on the point defect concentrations and optical absorption profiles of single crystal CVD synthetic diamond. All thermal treatments were below 850 K, which is lower…

Materials Science · Physics 2015-05-14 R U A Khan , P M Martineau , B L Cann , M E Newton , D. J. Twitchen

A technique has been developed for depositing diamond crystals on the endfaces of optical fibers and capturing the fluorescence generated by optically active defects in the diamond into the fiber. This letter details the diamond growth on…

Materials Science · Physics 2007-05-23 J. R. Rabeau , S. T. Huntington , A. D. Greentree , S. Prawer

Deep defects in wide band gap semiconductors have emerged as leading qubit candidates for realizing quantum sensing and information applications. Due to the spatial localization of the defect states, these deep defects can be considered as…

Although the spin properties of superficial shallow nitrogen-vacancy (NV) centers have been the subject of extensive scrutiny, considerably less attention has been devoted to studying the dynamics of NV charge conversion near the diamond…

Mesoscale and Nanoscale Physics · Physics 2018-07-03 Siddharth Dhomkar , Harishankar Jayakumar , Pablo R. Zangara , Carlos A. Meriles

The nitrogen-vacancy (NV) centre in diamond is a unique optical defect that is used in many applications today and methods to enhance its fluorescence brightness are highly sought after. We observed experimentally an enhancement of the NV…

Mesoscale and Nanoscale Physics · Physics 2017-05-23 M. Capelli , P. Reineck , D. W. M. Lau , A. Orth , J. Jeske , M. W. Doherty , T. Ohshima , A. D. Greentree , B. C. Gibson

The positively charged nitrogen vacancy (NV+) centre in diamond has been traditionally treated as a dark state due to the experimental lack of an optical signature. Recent computational studies have shown that it is possible for the NV+…

Mesoscale and Nanoscale Physics · Physics 2022-01-05 Akib Karim , Igor Lyskov , Salvy P. Russo , Alberto Peruzzo

Fluorescent nanodiamonds (FNDs) containing negatively charged nitrogen-vacancy (NV-) centers are vital for many emerging quantum sensing applications from magnetometry to intracellular sensing in biology. However, developing a scalable…

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

Control of the crystalline orientation of nitrogen-vacancy (NV) defects in diamond is here demonstrated by tuning the temperature of chemical vapor deposition (CVD) growth on a (113)-oriented diamond substrate. We show that preferential…

Materials Science · Physics 2018-07-02 S. Chouaieb , L. J. Martínez , W. Akhtar , I. Robert-Philip , A. Dréau , O. Brinza , J. Achard , A. Tallaire , V. Jacques
‹ Prev 1 2 3 10 Next ›