English
Related papers

Related papers: Hyperpolarization-enhanced NMR spectroscopy with f…

200 papers

Low thermal polarization of nuclear spins is a primary sensitivity limitation for nuclear magnetic resonance. Here we demonstrate optically pumped (microwave-free) nuclear spin polarization of $^{13}\mathrm{C}$ and $^{15}\mathrm{N}$ in…

Mesoscale and Nanoscale Physics · Physics 2017-08-09 Ben L. Green , Ben G. Breeze , Gregory J. Rees , John V. Hanna , Jyh-Pin Chou , Viktor Ivády , Adam Gali , Mark E. Newton

Dynamic nuclear polarisation, which transfers the spin polarisation of electrons to nuclei, is routinely applied to enhance the sensitivity of nuclear magnetic resonance; it is also critical in spintronics, particularly when spin…

Nanomechanical sensors and quantum nanosensors are two rapidly developing technologies that have diverse interdisciplinary applications in biological and chemical analysis and microscopy. For example, nanomechanical sensors based upon…

Optically-detected magnetic resonance using Nitrogen Vacancy (NV) color centres in diamond is a leading modality for nanoscale magnetic field imaging, as it provides single electron spin sensitivity, three-dimensional resolution better than…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 K. Arai , C. Belthangady , H. Zhang , N. Bar-Gill , S. J. DeVience , P. Cappellaro , A. Yacoby , R. L. Walsworth

Nuclear spin imaging at the atomic level is essential for the understanding of fundamental biological phenomena and for applications such as drug discovery. The advent of novel nano-scale sensors has given hope of achieving the…

Quantum Physics · Physics 2015-11-25 Ashok Ajoy , Ulf Bissbort , Mikhail D. Lukin , Ronald L. Walsworth , Paola Cappellaro

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…

We demonstrate a robust experimental method for determining the depth of individual shallow Nitrogen-Vacancy (NV) centers in diamond with $\sim1$ nm uncertainty. We use a confocal microscope to observe single NV centers and detect the…

Dynamic nuclear polarization (DNP) has become a very important hyperpolarization method because it can dramatically increase the sensitivity of nuclear magnetic resonance (NMR) of various molecules. Liquid-state DNP based on Overhauser…

Chemical Physics · Physics 2016-05-10 Yugui He , Zhen Zhang , Jiwen Feng , Chongyang Huang , Fang Chen , Maili Liu , Chaoyang Liu

Recent progress in the application of color centers to nanoscale spin sensing makes the combined use of noise spectroscopy and scanning probe imaging an attractive route for the characterization of arbitrary material systems. Unfortunately,…

Ultralow-field nuclear magnetic resonance (NMR) provides a new regime for many applications ranging from materials science to fundamental physics. However, the experimentally observed spectra show asymmetric amplitudes, differing greatly…

Quantum Physics · Physics 2019-02-22 Min Jiang , Wenjie Xu , Yunlan Ji , Ji Bian , Shiming Song , Xinhua Peng

Nitrogen vacancy (NV) centers in diamond have emerged as a leading quantum sensor platform, combining exceptional sensitivity with nanoscale spatial resolution by optically detected magnetic resonance (ODMR). Because fluorescence-based ODMR…

Quantum Physics · Physics 2020-11-24 Laura Kim , Hyeongrak Choi , Matthew Trusheim , Dirk Englund

Despite its versatility and high chemical specificity, conventional NMR spectroscopy is limited in measurement throughput due to the need for high-homogeneity magnetic fields, necessitating sequential sample analysis, and bulky devices.…

Instrumentation and Detectors · Physics 2024-07-02 Blake Andrews , Matthew Lai , Zhen Wang , Norihisa Kato , Michael Tayler , Emanuel Druga , Ashok Ajoy

Dynamic nuclear polarization (DNP) is a method of enhancing NMR signals via the transfer of polarization from electron spins to nuclear spins using on-resonance microwave (MW) irradiation. In most cases, monochromatic continuous-wave (MCW)…

Chemical Physics · Physics 2022-11-17 Daphna Shimon , Kelly A. Cantwell , Linta Joseph , Chandrasekhar Ramanathan

Nano-NMR spectroscopy with nitrogen-vacancy centers holds the potential to provide high resolution spectra of minute samples. This is likely to have important implications for chemistry, medicine and pharmaceutical engineering. One of the…

Quantum Physics · Physics 2020-06-23 Daniel Cohen , Ramil Nigmatullin , Matan Eldar , Alex Retzker

Nitrogen vacancy (NV) centers in diamond enable nuclear magnetic resonance (NMR) spectroscopy of samples at the nano- and micron scales. However, at typical tesla-scale NMR magnetic field strengths, NV-NMR protocols become difficult to…

A diamond-based sensor utilizing nitrogen-vacancy (NV) center ensembles permits the analysis of micron-sized samples through NMR techniques at room temperature. Current efforts are directed towards extending the operating range of NV…

Quantum Physics · Physics 2024-10-07 P. Alsina-Bolívar , A. Biteri-Uribarren , C. Munuera-Javaloy , J. Casanova

Magnetic resonance spectroscopy is universally regarded as one of the most important tools in chemical and bio-medical research. However, sensitivity limitations typically restrict imaging resolution to length scales greater than 10 \mu m.…

Magnetic spin resonance is a key non-invasive sensing and imaging technique across the life-, material- and fundamental sciences with further medical and commercial applications. Recent advances using paramagnetic color centers enable…

Mesoscale and Nanoscale Physics · Physics 2018-07-24 Florestan Ziem , Marwa Garsi , Helmut Fedder , Jörg Wrachtrup

Nuclear magnetic resonance (NMR) spectroscopy exploits the magnetic properties of atomic nuclei to discover the structure, reaction state and chemical environment of molecules. We propose a probabilistic generative model and inference…

‹ Prev 1 4 5 6 7 8 10 Next ›