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Related papers: Sensing electric fields using single diamond spins

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Understanding the dynamics of electrical signals within neuronal assemblies is crucial to unraveling complex brain function. Despite recent advances in employing optically active nanostructures in transmembrane potential sensing, there…

Sensing electric fields with high sensitivity, high spatial resolution and at radio frequencies can be challenging to realize. Recently, point defects in silicon carbide have shown their ability to measure local electric fields by optical…

Applied Physics · Physics 2019-09-04 Gary Wolfowicz , Christopher P. Anderson , Samuel J. Whiteley , David D. Awschalom

Revealing the properties of single spin defects in solids is essential for quantum applications based on solid-state systems. However, it is intractable to investigate the temperature-dependent properties of single defects, due to the low…

Quantum Physics · Physics 2022-12-07 Shaoyi Xu , Mingzhe Liu , Tianyu Xie , Zhiyuan Zhao , Qian Shi , Pei Yu , Chang-Kui Duan , Fazhan Shi , Jiangfeng Du

We present a novel technique for determining the microscale AC susceptibility of magnetic materials. We use magnetic field sensing properties of nitrogen-vacancy (\ce{NV-}) centers in diamond to gather quantitative data about the magnetic…

Applied Physics · Physics 2023-05-17 Shishir Dasika , Madhur Parashar , Kasturi Saha

An obstacle for spin-based quantum sensors is magnetic noise due to proximal spins. However, such a spin cluster surrounding the sensor can become an asset, if it can be controlled. Here, we polarize and readout a cluster of three nitrogen…

Quantum Physics · Physics 2016-09-07 Helena S. Knowles , Dhiren M. Kara , Mete Atatüre

Nitrogen-vacancy (NV) centers in diamond have become an important tool for quantum technologies. All of these applications rely on long coherence times of electron and nuclear spins associated with these centers. Here, we study the energy…

Quantum Physics · Physics 2020-12-02 K. Rama Koteswara Rao , Dieter Suter

The detection of a nuclear spin in an individual molecule represents a key challenge in physics and biology whose solution has been pursued for many years. The small magnetic moment of a single nucleus and the unavoidable environmental…

Quantum Physics · Physics 2015-03-19 Jianming Cai , Fedor Jelezko , Martin B. Plenio , Alex Retzker

Recent advances in the engineering of diamond surfaces make it possible to stabilize the charge state of 7-30 nanometers deep nitrogen-vacancy (NV) quantum sensors in diamond and to remove the charge noise at the surface principally.…

Quantum Physics · Physics 2025-01-23 Anton Pershin , András Tárkányi , Vladimir Verkhovlyuk , Viktor Ivády , Adam Gali

We present a solid state magnetic field imaging technique using a two dimensional array of spins in diamond. The magnetic sensing spin array is made of nitrogen-vacancy (NV) centers created at shallow depths. Their optical response is used…

Versatile nanoscale sensors that are susceptible to changes in a variety of physical quantities often exhibit limited selectivity. This paper reports a novel scheme based on microwave-dressed spin states for optically probed nanoscale…

Quantum Physics · Physics 2021-11-19 Jiwon Yun , Kiho Kim , Sungjoon Park , Dohun Kim

A single nitrogen-vacancy (NV) center in diamond is a prime candidate for a solid-state quantum magnetometer capable of detecting single nuclear spins with prospective application to nuclear magnetic resonance (NMR) at the nanoscale.…

Quantum Physics · Physics 2020-02-07 Daiki Misonou , Kento Sasaki , Shuntaro Ishizu , Yasuaki Monnai , Kohei M. Itoh , Eisuke Abe

Quantum sensing with solid-state spins offers the promise of high spatial resolution, bandwidth, and dynamic range at sensitivities comparable to more mature quantum sensing technologies, such as atomic vapor cells and superconducting…

We study the spin and orbital dynamics of single nitrogen-vacancy (NV) centers in diamond between room temperature and 700 K. We find that the ability to optically address and coherently control single spins above room temperature is…

Mesoscale and Nanoscale Physics · Physics 2012-07-18 D. M. Toyli , D. J. Christle , A. Alkauskas , B. B. Buckley , C. G. Van de Walle , D. D. Awschalom

High spatial resolution magnetic imaging has driven important developments in fields ranging from materials science to biology. However, to uncover finer details approaching the nanoscale with greater sensitivity requires the development of…

An ensemble of nitrogen-vacancy (NV) centers in diamond is a fascinating candidate to realize a sensitive magnetic field sensor. In particular, since the axes of the NV centers are distributed along four directions, a collection of…

Quantum Physics · Physics 2019-02-20 Ken Yahata , Yuichiro Matsuzaki , Shiro Saito , Hideyuki Watanabe , Junko Ishi-Hayase

Nitrogen-vacancy (NV) centers in diamond are suitable sensors of high-sensitivity magnetometry which have attracted much interest in recent years. Here, we demonstrate sensitivity-enhanced ensembles magnetometry via adaptively complete…

Quantum Physics · Physics 2022-12-21 Bao Chen , Bing Chen , Xinyi Zhu , Zhifei Yu , Peng Qian , Nanyang Xu

We present a sensitive diamond quantum sensor with a magnetic field sensitivity of $9.4 \pm 0.1~\mathrm{pT/\sqrt{Hz}}$ in a near-dc frequency range of 5 to 100~Hz. This sensor is based on the continuous-wave optically detected magnetic…

We present a scheme of positioning a single electron spin with sub-nanometer resolution through multiple nitrogen-vacancy centers in diamond. With unwanted noise suppressed by dynamical decoupling, the spin coherence of each center develops…

Quantum Physics · Physics 2016-04-27 Wen-Long Ma , Shu-Shen Li , Geng-Yu Cao , Ren-Bao Liu

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

Nitrogen vacancy (NV) centers in diamond are optically addressable and versatile light-matter interfaces with practical application in magnetic field sensing, offering the ability to operate at room temperature and reach sensitivities below…

Mesoscale and Nanoscale Physics · Physics 2025-10-15 Arezoo Afshar , Andrew Proppe , Noah Lupu-Gladstein , Lilian Childress , Aaron Z. Goldberg , Khabat Heshami