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Hyperpolarized nuclear spins in molecules exhibit high magnetization that is unachievable by classical polarization techniques, making them widely used as sensors in physics, chemistry, and medicine. The state of a hyperpolarized material,…

Chemical Physics · Physics 2024-12-31 James Eills , Morgan W. Mitchell , Irene Marco Rius , Michael C. D. Tayler

We experimentally demonstrate high degree of polarization of 13C nuclear spins weakly interacting with nitrogen-vacancy (NV) centers in diamond. We combine coherent microwave excitation pulses with optical illumination to provide controlled…

Quantum Physics · Physics 2019-10-25 Jiwon Yun , Kiho Kim , Dohun Kim

Achieving atomic resolution is the ultimate limit of magnetic resonance imaging (MRI), and attaining this capability offers enormous technological and scientific opportunities, from drug development to understanding the dynamics in…

Solid state defects such as nitrogen vacancy (NV) centers in diamond have been utilized for NMR sensing at ambient temperatures for samples at the nano-scale and up to the micro-scale. Similar to standard NMR, NV-sensitivities can be…

Quantum Physics · Physics 2026-01-28 Oliver T. Whaites , Jaime García Oliván , Jorge Casanova

The integration on a single chip of the sensitivity-relevant electronics of nuclear magnetic resonance (NMR) and electron spin resonance (ESR) spectrometers is a promising approach to improve the limit of detection, especially for samples…

Instrumentation and Detectors · Physics 2020-03-09 Nergiz Sahin Solmaz , Marco Grisi , Alessandro Valentino Matheoud , Gabriele Gualco , Giovanni Boero

Dynamic nuclear polarization (DNP) is a promising strategy for generating a significantly increased non-thermal spin polarization in nuclear magnetic resonance (NMR) applications thereby circumventing the need for strong magnetic fields.…

Quantum Physics · Physics 2015-07-15 Alexander Karabanov , Daniel Wisniewski , Igor Lesanovsky , Walter Köckenberger

Hyperfine interactions between electron and nuclear spins have been widely used in material science, organic chemistry, and structural biology as a sensitive probe to the local chemical environment through spatial identification of nuclear…

Mesoscale and Nanoscale Physics · Physics 2022-12-28 Jinkyung Kim , Kyungju Noh , Yi Chen , Fabio Donati , Andreas J. Heinrich , Christoph Wolf , Yujeong Bae

We study the nuclear spin population in a GaAs quantum well structure and demonstrate its initialization using an all-electrical nuclear magnetic resonance (NMR) device. In our device, nuclear spins are dynamically polarized in a sub-micron…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 T. Ota , G. Yusa , N. Kumada , S. Miyashita , Y. Hirayama

Nuclear spins in solids offer a promising avenue for developing scalable quantum hardware. Leveraging nearby single-color centers, these spins can be efficiently addressed at the single-site level through spin resonance. However,…

Quantum Physics · Physics 2024-02-14 Majid Zahedian , Vadim Vorobyov , Jörg Wrachtrup

Hyperpolarisation at room temperature is one of the most important research fields in order to improve liquid, gas or nanoparticle tracer for Magnetic Resonance Imaging (MRI) in medical applications. In this paper we utilize nuclear…

Mesoscale and Nanoscale Physics · Physics 2017-04-10 Ralf Wunderlich , Jonas Kohlrautz , Bernd Abel , Jürgen Haase , Jan Meijer

We argue that nuclear magnetic resonance experiments are a site-sensitive probe for the electronic spectrum in the mixed state of the high-$T_c$ cuprates. Within a spin-fermion model, we show that the Doppler-shifted electronic spectrum…

Superconductivity · Physics 2009-10-31 Dirk K. Morr , Rachel Wortis

Quantum sensors leverage matter's quantum properties to enable measurements with unprecedented spatial and spectral resolution. Among these sensors, those utilizing nitrogen-vacancy (NV) centers in diamond offer the distinct advantage of…

Nuclear magnetic resonance (NMR) is a powerful quantum probe, but the early conclusions on the physics of the cuprates, based on a limited set of data, have to be revised in view of recent findings and results from extensive literature…

Superconductivity · Physics 2022-06-29 Jürgen Haase

Single metallocene molecules act as sensitive spin detectors when decorating the probe of a scanning tunneling microscope (STM). However, the impact of the atomic-scale electrode details on the molecular spin state has remained elusive to…

Mesoscale and Nanoscale Physics · Physics 2024-10-11 Maximilian Kögler , Nicolas Néel , Laurent Limot , Jörg Kröger

Quantum sensors have recently achieved to detect the magnetic moment of few or single nuclear spins and measure their magnetic resonance (NMR) signal. However, the spectral resolution, a key feature of NMR, has been limited by relaxation of…

We present a theory of nuclear magnetic resonance (NMR) shielding tensors for electronic states with arbitrary degeneracy. The shieldings are here expressed in terms of generalized Zeeman ($g^{(k)}$) and hyperfine ($A^{(k)}$) tensors, of…

Chemical Physics · Physics 2012-11-28 Willem Van den Heuvel , Alessandro Soncini

Spin noise spectroscopy is an optical technique which can probe spin resonances non-perturbatively. First applied to atomic vapours, it revealed detailed information about nuclear magnetism and the hyperfine interaction. In solids, this…

Materials Science · Physics 2015-10-21 Steeve Cronenberger , Denis Scalbert , David Ferrand , Hervé Boukari , Joël Cibert

Nitrogen vacancy (NV) centers in diamond have been used as ultrasensitive magnetometers to perform nuclear magnetic resonance (NMR) spectroscopy of statistically polarized samples at 1 - 100 nm length scales. However, the spectral linewidth…

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…

Recent demonstrations of ultracoherent nanomechanical resonators introduce the prospect of new protocols for solid state sensing applications. Here, we propose to use two coupled ultracoherent resonator modes on a Si$_3$N$_4$ membrane for…

Applied Physics · Physics 2020-07-22 J. Košata , O. Zilberberg , Christian L. Degen , R. Chitra , A. Eichler
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