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Magnetic resonance detection is one of the most important tools used in life-sciences today. However, as the technique detects the magnetization of large ensembles of spins it is fundamentally limited in spatial resolution to mesoscopic…

Single-molecule sensitivity of nuclear magnetic resonance (NMR) and angstrom resolution of magnetic resonance imaging (MRI) are the highest challenges in magnetic microscopy. Recent development in dynamical-decoupling- (DD) enhanced diamond…

Quantum Physics · Physics 2016-08-31 Wen-Long Ma , Ren-Bao Liu

New schemes that exploit the unique properties of Nitrogen-Vacancy (NV) centers in diamond are presently being explored as a platform for high-resolution magnetic sensing. Here we focus on the ability of a NV center to monitor an adjacent…

Mesoscale and Nanoscale Physics · Physics 2011-10-12 Abdelghani Laraoui , Jonathan S. Hodges , Colm Ryan , Carlos A. Meriles

Nuclear Magnetic Resonance (NMR) spans diverse fields from biology to quantum science. Employing NMR on a floating object could unveil novel possibilities beyond conventional operational paradigms. Here, we observe Nuclear Magnetic…

Quantum Physics · Physics 2024-07-30 J. Voisin , A. Durand , T. Copie , M. Perdriat , G. Hétet

Nuclear magnetic resonance imaging (MRI) at the atomic scale offers exciting prospects for determining the structure and function of individual molecules and proteins. Quantum defects in diamond have recently emerged as a promising platform…

Quantum Physics · Physics 2022-04-06 K. S. Cujia , K. Herb , J. Zopes , J. M. Abendroth , C. L. Degen

Nuclear magnetic resonance (NMR) is a powerful tool for applications ranging from chemical analysis to quantum information processing. Achieving optical initialization and detection of molecular nuclear spins promises new opportunities -…

Spin defects in solids, such as the nitrogen-vacancy (NV) center in diamond, have emerged as a key tool for detecting nuclear spins at the nanoscale. While active nuclear spin control via radio-frequency (RF) irradiation is often…

An interacting spin system is an excellent testbed for fundamental quantum physics and applications in quantum sensing and quantum simulation. For these investigations, detailed information of the interactions, e.g., the number of spins and…

Quantum Physics · Physics 2024-11-12 Yuhang Ren , Susumu Takahashi

Nitrogen-vacancy (NV) centers in diamond have emerged as quantum sensors capable of detecting nuclear magnetic resonance (NMR) signals at unprecedented length scales, ranging from picoliter sample volumes down to single spins at the diamond…

Chemical Physics · Physics 2025-01-07 Nick R. von Grafenstein , Karl D. Briegel , Jorge Casanova , Dominik B. Bucher

We demonstrate nuclear magnetic resonance (NMR) spectroscopy of picoliter-volume solutions with a nanostructured diamond chip. Using optical interferometric lithography, diamond surfaces were nanostructured with dense, high-aspect-ratio…

Mesoscale and Nanoscale Physics · Physics 2017-11-01 P. Kehayias , A. Jarmola , N. Mosavian , I. Fescenko , F. M. Benito , A. Laraoui , J. Smits , L. Bougas , D. Budker , A. Neumann , S. R. J. Brueck , V. M. Acosta

Characterization of the molecular properties of surfaces under ambient or chemically reactive conditions is a fundamental scientific challenge. Moreover, many traditional analytical techniques used for probing surfaces often lack dynamic or…

Different approaches have improved the sensitivity of either electron or nuclear magnetic resonance to the single spin level. For optical detection it has essentially become routine to observe a single electron spin or nuclear spin.…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Jörg Wrachtrup , Amit Finkler

Nuclear magnetic resonance (NMR) spectroscopy has approached the limit of single molecule sensitivity, however the spectral resolution is currently insufficient to obtain detailed information on chemical structure and molecular…

Quantum Physics · Physics 2015-08-19 Xi Kong , Alexander Stark , Jiangfeng Du , Liam P. McGuinness , Fedor Jelezko

Nitrogen vacancy (NV) centers in diamond are atom-scale defects with long spin coherence times that can be used to sense magnetic fields with high sensitivity and spatial resolution. Typically, the magnetic field projection at a single…

We report a systematic study of the hyperfine interaction between the electron spin of a single nitrogen-vacancy (NV) defect in diamond and nearby $^{13}$C nuclear spins, by using pulsed electron spin resonance spectroscopy. We isolate a…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 A. Dréau , J. -R. Maze , M. Lesik , J. -F. Roch , V. Jacques

The Nitrogen-Vacancy (NV) defect in diamond is a unique quantum system that offers precision sensing of nanoscale physical quantities beyond the current state-of-the-art. Here we present a method to controllably encode the interactions in…

The nuclear spin is a prime candidate for quantum information applications due to its weak coupling to the environment and inherently long coherence times. However, this weak coupling also challenges the addressability of the nuclear spin.…

Quantum Physics · Physics 2025-12-15 Hester G. Vennema , Cristina Mier , Evert W. Stolte , Leonard Edens , Jinwon Lee , Sander Otte

Nuclear magnetic resonance (NMR) imaging with nanometer resolution requires new detection techniques with sensitivity well beyond the capability of conventional inductive detection. Here, we demonstrate two dimensional imaging of $^1$H NMR…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 D. Rugar , H. J. Mamin , M. H. Sherwood , M. Kim , C. T. Rettner , K. Ohno , D. D. Awschalom

Efficiently detecting and characterizing individual spins in solid-state hosts is an essential step to expand the fields of quantum sensing and quantum information processing. While selective detection and control of a few 13C nuclear spins…

Quantum Physics · Physics 2020-10-22 Hyunseok Oh , Jiwon Yun , M. H. Abobeih , Kyung-Hoon Jung , Kiho Kim , T. H. Taminiau , Dohun Kim

Identifying weakly coupled nuclear spins around single electron spins is a key step of implementing quantum information processing using coupled electron-nuclei spin systems or sensing like single spin nuclear magnetic resonance detection…

Mesoscale and Nanoscale Physics · Physics 2015-01-08 Nan Zhao , Jörg Wrachtrup , Ren-Bao Liu