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Magnetometry with nitrogen-vacancy color centers in diamond has gained significant interest among researchers in recent years. Absolute knowledge of the three-dimensional orientation of the magnetic field is necessary for many applications.…

Quantum Physics · Physics 2022-11-01 S. Sengottuvel , M. Mrózek , M. Sawczak , M. J. Głowacki , M. Ficek , W. Gawlik , A. M. Wojciechowski

Nitrogen-Vacancy (NV) centers in diamond have useful properties for detecting both AC and DC magnetic fields with high sensitivity at nano-scale resolution. Vector detection of AC magnetic fields can be achieved by using NV centers having…

Quantum Physics · Physics 2026-01-13 Pooja Lamba , Akshat Rana , Sougata Halder , Siddharth Dhomkar , Dieter Suter , Rama K. Kamineni

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

Nitrogen-vacancy (NV) centers are defects in diamonds, which, due to their electronic structure, have been extensively studied as magnetic field sensors. Such field detection applications usually employ the NV centers to detect field…

Quantum Physics · Physics 2016-06-07 Shonali Dhingra , Brian D'Urso

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…

Nitrogen-vacancy (NV) centers in nanodiamonds have emerged as a promising quantum sensing platform for biomedical imaging applications, yet random orientations of individual particles present significant challenges in large-scale sensor…

Quantum Physics · Physics 2025-07-09 Yizhou Wang , Haochen Shen , Zhongyuan Liu , Yue Yu , Shengwang Du , Chong Zu , Chuanwei Zhang

The isolated electronic spin system of the Nitrogen-Vacancy (NV) centre in diamond offers unique possibilities to be employed as a nanoscale sensor for detection and imaging of weak magnetic fields. Magnetic imaging with nanometric…

Mesoscale and Nanoscale Physics · Physics 2014-08-19 L. Rondin , J. -P. Tetienne , T. Hingant , J. -F. Roch , P. Maletinsky , V. Jacques

The nitrogen-vacancy (NV) center in diamond has become a widely used platform for quantum sensing. The four NV axes in mono-crystalline diamond specifically allow for vector magnetometry, with magnetic-field sensitivities reaching down to…

Quantum Physics · Physics 2025-11-25 Dennis Lönard , Isabel Cardoso Barbosa , Stefan Johansson , Jonas Gutsche , Artur Widera

The negatively charged nitrogen-vacancy (NV-) centre in diamond has many exciting applications in quantum nano-metrology, including magnetometry, electrometry, thermometry and piezometry. Indeed, it is possible for a single NV- centre to…

The nitrogen-vacancy (NV) color center in diamond is an atom-like system in the solid-state which specific spin properties can be efficiently used as a sensitive magnetic sensor. An external magnetic field induces Zeeman shifts of the NV…

Mesoscale and Nanoscale Physics · Physics 2015-07-17 M. Chipaux , A. Tallaire , J. Achard , S. Pezzagna , J. Meijer , V. Jacques , J. -F. Roch , T. Debuisschert

We demonstrate vector magnetometry with an ensemble of nitrogen-vacancy (NV) centers in diamond without the need for an external bias field. The anisotropy of the electric dipole moments of the NV center reduces the ambiguity of the…

Mesoscale and Nanoscale Physics · Physics 2017-01-05 Franz Münzhuber , Johannes Kleinlein , Tobias Kiessling , Laurens W. Molenkamp

We demonstrate a method of imaging spatially varying magnetic fields using a thin layer of nitrogen-vacancy (NV) centers at the surface of a diamond chip. Fluorescence emitted by the two-dimensional NV ensemble is detected by a CCD array,…

Mesoscale and Nanoscale Physics · Physics 2012-07-16 L. M. Pham , D. Le Sage , P. L. Stanwix , T. K. Yeung , D. Glenn , A. Trifonov , P. Cappellaro , P. R. Hemmer , M. D. Lukin , H. Park , A. Yacoby , R. L. Walsworth

Characterizing the local internal environment surrounding solid-state spin defects is crucial to harnessing them as nanoscale sensors of external fields. This is especially germane to the case of defect ensembles which can exhibit a complex…

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

We give instructions for the construction and operation of a simple apparatus for performing optically detected magnetic resonance measurements on diamond samples containing high concentrations of nitrogen-vacancy (NV) centers. Each NV…

Mesoscale and Nanoscale Physics · Physics 2018-03-14 Haimei Zhang , Carina Belvin , Wanyi Li , Jennifer Wang , Julia Wainwright , Robbie Berg , Joshua Bridger

Despite decades of advances in magnetic imaging, obtaining direct, quantitative information with nanometer scale spatial resolution remains an outstanding challenge. Recently, a new technique has emerged that employs a single…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 L. Rondin , J. P. Tetienne , S. Rohart , A. Thiaville , T. Hingant , P. Spinicelli , J. -F. Roch , V. Jacques

Quantum sensors based on nitrogen vacancy (NV) centers in diamond have been a central topic in the sensing community for more than a decade. The extraordinary properties at room temperature of the spin system in diamond have made it one of…

Nitrogen vacancy centres in diamond can be used for vector magnetometry. In this work we present a portable vector diamond magnetometer. Its vector capability, combined with feedback control and robust structure enables operation on moving…

Single nitrogen-vacancy (NV) centers are widely used as nanoscale sensors for magnetic and electric fields, strain and temperature. Nanoscale magnetometry using NV centers allows for example to quantitatively measure local magnetic fields…

By using an ensemble of nitrogen-vacancy (NV) centers, the vector components of a time-varying (AC) magnetic field are measured in a phase sensitive manner. This allows for the determination of the magnetic field's polarization. This…

Quantum Physics · Physics 2025-07-01 M. S. J. Barson , T. J. Christie , J. P. Duff , K. Helmerson
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