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Our recent developments in in-situ nuclear magnetic resonance (NMR) spectroscopy under extreme conditions led to the observation of a wide variety of physical phenomena not accessible with standard high pressure experimental probes.…

The past 15 years have seen an astonishing increase in Nuclear Magnetic Resonance (NMR) sensitivity and accessible pressure range in high-pressure NMR experiments, owing to a series of new developments of NMR spectroscopy applied to the…

Over the last decade, frequency-domain in-situ high-pressure nuclear magnetic resonance (NMR) spectroscopy in diamond anvil cells (DACs) has been employed as a structural and electronic probe of condensed matter systems at pressures well…

Instrumentation and Detectors · Physics 2026-01-08 Thomas Meier , Meng Yang , Yishan Zhou , Yunhua Fu , Rui Zhang , Ziliang Wang , Tianyao Zheng , Rajesh Jana , Takeshi Nakagawa

Nuclear magnetic resonance (NMR) spectroscopy has become a formidable tool for biochemistry and medicine. Although J-coupling carries essential structural information it may also limit the spectral resolution. Homonuclear decoupling remains…

Biomolecules · Quantitative Biology 2022-12-05 Tianyu Qiu , Amir Jahangiri , Xiao Han , Dmitry Lesovoy , Tatiana Agback , Peter Agback , Adnane Achour , Xiaobo Qu , Vladislav Orekhov

Dynamic nuclear polarization (DNP) enhances nuclear magnetic resonance (NMR) signals by transferring electron spin polarization to nuclei. As DNP requires microwave magnetic fields B1 strong enough to saturate electron spins, microwave…

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

The experimental study of hydrogen bonds and their symmetrisation under extreme conditions is predominantly driven by diffraction methods, despite challenges of localising or probing the hydrogen subsystems directly. Until recently, H-bond…

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

Quantum sensors based on nitrogen-vacancy centers in diamond have emerged as a promising detection modality for nuclear magnetic resonance (NMR) spectroscopy owing to their micron-scale detection volume and non-inductive based detection. A…

We present a high-quality, homogeneous sample of 157 H$\beta$ reverberation-mapped active galactic nuclei (RM AGNs) spanning redshifts $0.00308 \leq z \leq 0.8429$, which is approximately 3.8 times larger than the previously available…

Astrophysics of Galaxies · Physics 2025-07-30 Shulei Cao , Amit Kumar Mandal , Michal Zajaček , Bharat Ratra

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

We derive total (atomic + molecular) hydrogen densities in giant molecular clouds (GMCs) in the nearby spiral galaxy M33 using a method that views the atomic hydrogen near regions of recent star formation as the product of…

Astrophysics of Galaxies · Physics 2015-05-27 J. S. Heiner , R. J. Allen , P. C. van der Kruit

Nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) are well-established techniques that provide valuable information in a diverse set of disciplines but are currently limited to macroscopic sample volumes. Here we…

In this paper a new version of Li6-based neutron spectrometer for high flux environments is described. The new spectrometer was built with commercial single crystal Chemical Vapour Deposition diamonds of electronic grade. These crystals…

Instrumentation and Detectors · Physics 2018-03-14 M. Osipenko , A. Bellucci , V. Ceriale , D. Corsini , G. Gariano , F. Gatti , M. Girolami , S. Minutoli , F. Panza , M. Pillon , M. Ripani , D. M. Trucchi

We investigate the optical properties of hydrogen as it undergoes a transition from the insulating molecular to the metallic atomic phase, when heated by a pulsed laser at megabar pressures in a diamond anvil cell. Most current experiments…

Materials Science · Physics 2016-04-20 N. Van den Broeck , F. Brosens , J. Tempere , I. F. Silvera

Atomic-scale magnetic field sensors based on nitrogen vacancy (NV) defects in diamonds are an exciting platform for nanoscale nuclear magnetic resonance (NMR) spectroscopy. The detection of NMR signals from a few zeptoliters to single…

Conclusive crystal structure determination of the high pressure phases of hydrogen remains elusive due to lack of core electrons and vanishing wave vectors, rendering standard high-pressure experimental methods moot. Ab-initio DFT…

Materials Science · Physics 2024-07-30 Meng Yang , Yishan Zhou , Rajesh Jana , Takeshi Nakagawa , Yunhua Fu , Thomas Meier

We test the standardizability of a homogeneous sample of 41 lower-redshift ($0.00415\leq z \leq 0.474$) active galactic nuclei (AGNs) reverberation-mapped (RM) using the broad H$\alpha$ and H$\beta$ emission lines. We find that these…

Astrophysics of Galaxies · Physics 2025-04-07 Shulei Cao , Amit Kumar Mandal , Michal Zajaček , Bożena Czerny , Bharat Ratra

Single-molecule nuclear magnetic resonance (NMR) is a crown-jewel challenge in the field of magnetic resonance spectroscopy and has important applications in chemical analysis and in quantum computing. Recently, it becomes possible to…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Fazhan Shi , Xi Kong , Pengfei Wang , Fei Kong , Nan Zhao , Ren-Bao Liu , Jiangfeng Du

The negatively-charged nitrogen-vacancy center (NV) in diamond forms a versatile system for quantum sensing applications. Combining the advantageous properties of this atomic-sized defect with scanning probe techniques such as atomic force…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 Philipp Fuchs , Michel Challier , Elke Neu
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