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Related papers: Nanoscale electrometry based on a magnetic-field-r…

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Scanning nitrogen-vacancy (NV) center electrometry has shown potential for quantitative quantum imaging of electric fields at the nanoscale. However, achieving nanoscale spatial resolution remains a challenge since employing gradiometry to…

Quantum Physics · Physics 2025-09-16 Zhi Cheng , Zhiwei Yu , Mengqi Wang , Lingfeng Yang , Zihao Cui , Ya Wang , Pengfei Wang

Quantum sensing using optically addressable atomic-scale defects, such as the nitrogen--vacancy (NV) center in diamond, provides new opportunities for sensitive and highly localized characterization of chemical functionality. Notably,…

Spin-based applications of the negatively charged nitrogen-vacancy (NV) center in diamonds require efficient spin readout. One approach is the spin-to-charge conversion (SCC), relying on mapping the spin states onto the neutral (NV$^0$) and…

Due to its superior coherent and optical properties at room temperature, the nitrogen-vacancy (N-V ) center in diamond has become a promising quantum probe for nanoscale quantum sensing. However, the application of N-V containing…

The nitrogen-vacancy (NV) center in diamond is supposed to be a building block for quantum computing and nanometer scale metrology at ambient conditions. Therefore, precise knowledge of its quantum states is crucial. Here, we experimentally…

Quantum Physics · Physics 2013-05-29 G. Waldherr , J. Beck , M. Steiner , P. Neumann , A. Gali , Th. Frauenheim , F. Jelezko , J. Wrachtrup

Recent advancements in quantum technology have highlighted the potential of nitrogen-vacancy (NV) centers in diamond. However, fully realizing this potential requires addressing challenges related to the size, complexity, and cost of…

The nitrogen-vacancy (NV) center in diamond is a widely-utilized system due to its useful quantum properties. Almost all research focuses on the negative charge state (NV$^-$) and comparatively little is understood about the neutral charge…

Mesoscale and Nanoscale Physics · Physics 2019-05-23 M. S. J. Barson , E. Krausz , N. B. Manson , M. W. Doherty

We theoretically investigate spin decoherence of a single nitrogen-vacancy (NV) center in diamond. Using the spin coherent state P-representation method, coherence evolution of the NV center surrounded by nitrogen electron spins (N) is…

Quantum Physics · Physics 2015-06-11 Zhi-Hui Wang , Susumu Takahashi

Paramagnetic magnetic resonance, a powerful technique for characterizing and identifying chemical targets, is increasingly used for imaging; however, low spin polarization at room temperature and moderate magnetic fields poses challenges…

Mesoscale and Nanoscale Physics · Physics 2019-09-04 C. M. Purser , V. P. Bhallamudi , C. S. Wolfe , H. Yusuf , B. A. McCullian , C. Jayaprakash , M. E. Flatté , P. C. Hammel

Electrically-active defects have a significant impact on the performance of electronic devices based on wide band-gap materials such as diamond. This issue is ubiquitous in diamond science and technology, since the presence of charge traps…

The interaction of solid-state electronic spins with deformations of their host crystal is an important ingredient in many experiments realizing quantum information processing schemes. Here, we theoretically characterize that interaction…

Mesoscale and Nanoscale Physics · Physics 2018-08-08 Péter Udvarhelyi , Vladyslav O. Shkolnikov , Adam Gali , Guido Burkard , András Pályi

The nitrogen vacancy (NV) center in diamond exhibits spin-dependent fluorescence and long spin coherence times under ambient conditions, enabling applications in quantum information processing and sensing. NV centers near the surface can…

We analyze the impact of electric field and magnetic field fluctuations in the decoherence of the electronic spin associated with a single nitrogen-vacancy (NV) defect in diamond by engineering spin eigenstates protected either against…

Mesoscale and Nanoscale Physics · Physics 2016-02-03 P. Jamonneau , M. Lesik , J. P. Tetienne , I. Alvizu , L. Mayer , A. Dréau , S. Kosen , J. -F. Roch , S. Pezzagna , J. Meijer , T. Teraji , Y. Kubo , P. Bertet , J. R. Maze , V. Jacques

The ability to measure magnetic fields on the nanometre scale at cryogenic temperatures is key to understand magnetism on the quantum level and to develop materials for new storage devices or quantum computers. Nitrogen vacancy (NV) centres…

The contactless temperature measurement at micro/nanoscale is vital to a broad range of fields in modern science and technology. The nitrogen vacancy (NV) center, a kind of diamond defect with unique spin-dependent photoluminescence, has…

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

We report measurements of optically detected magnetic resonance spectra of ensembles of negatively charged nitrogen-vacancy (NV) centers in diamonds in the presence of strain and DC external electric fields. The Stark shift of the spectral…

Atomic Physics · Physics 2018-02-27 Sarvagya Sharma , Chris Hovde , Douglas H. Beck , Fahad Alghannam

Accurate measurement of vector magnetic fields is critical for applications including navigation, geoscience, and space exploration. Nitrogen-vacancy (NV) center spin ensembles offer a promising solution for high-sensitivity vector…

We propose a novel quantum sensing protocol that leverages the dynamical response of physical observables to quenches in quantum systems. Specifically, we use the nitrogen-vacancy (NV) color center in diamond to realize both scalar and…

Quantum Physics · Physics 2023-07-12 Wenkui Ding , Xingyu Zhang , Jing Liu , Xiaoguang Wang

Recently, the negatively charged nitrogen-vacancy (NV) center has emerged as a robust and versatile quantum sensor in pressurized environments. There are two popular ways to implement NV sensing in a diamond anvil cell (DAC), which is a…

Mesoscale and Nanoscale Physics · Physics 2023-05-02 Kin On Ho , Man Yin Leung , Wenyan Wang , Jianyu Xie , King Yau Yip , Jiahao Wu , Swee K. Goh , Andrej Denisenko , Jörg Wrachtrup , Sen Yang