Dynamic Nuclear Polarization with P1 Centers in Diamond

RS Palani, M Mardini, Y Quan, Y Ouyang… - The Journal of …, 2024 - ACS Publications
Substitutional nitrogen impurities within the diamond lattice, known as P1 centers, have
unpaired electrons that can mediate microwave driven dynamic nuclear polarization (DNP) …

Resonant mixing dynamic nuclear polarization

Y Quan, Y Ouyang, M Mardini, RS Palani… - The Journal of …, 2023 - ACS Publications
We propose a mechanism for dynamic nuclear polarization that is different from the well-
known Overhauser effect, solid effect, cross effect, and thermal mixing processes. We term it …

Coherent Dynamic Nuclear Polarization using Chirped Pulses

Y Quan, MVH Subramanya, Y Ouyang… - The Journal of …, 2023 - ACS Publications
This paper presents a study of coherent dynamic nuclear polarization (DNP) using
frequency swept pulses at 94 GHz which optimize the polarization transfer efficiency …

[HTML][HTML] Creating high, portable proton polarization with photo-excited triplet dnp

P Hautle, WT Wenckebach - Journal of Magnetic Resonance Open, 2024 - Elsevier
Dynamic nuclear polarization (DNP) is a powerful tool to polarize nuclear spins and
enhance the intensity of their magnetic resonance signal. For DNP a sample is doped with …

Triplet dynamic nuclear polarization of pyruvate via supramolecular chemistry

T Hamachi, K Nishimura, K Sakamoto… - Chemical …, 2023 - pubs.rsc.org
Dynamic nuclear polarization (DNP) significantly improves the sensitivity of magnetic
resonance imaging, and its most important medical application is cancer diagnosis via …

[HTML][HTML] Non-perturbative treatment of the solid effect of dynamic nuclear polarization

D Sezer - Magnetic Resonance, 2023 - mr.copernicus.org
In the solid effect of dynamic nuclear polarization (DNP), the concerted flips of the electronic
and nuclear spins, which are needed for polarization transfer, are induced by the …

General theory of light propagation and triplet generation for studies of spin dynamics and triplet dynamic nuclear polarisation

Y Quan, N Niketic, JM Steiner, TR Eichhorn… - Molecular …, 2023 - Taylor & Francis
A general theory is presented describing the photo-excitation dynamics of transient,
paramagnetic triplet states of aromatic molecules including their absorption properties in a …

Net Dzyaloshinskii–Moriya interaction in defect-enriched ferromagnet

Y Quan, J Steiner, B Li, Y Song… - Journal of Physics …, 2023 - iopscience.iop.org
Abstract The Dzyaloshinskii–Moriya interaction (DMI), which typically occurs in lattices
without space inversion symmetry, can also be induced in a highly symmetric lattice by local …

Role of Quantum Coherence in Chirped Dynamic Nuclear Polarization

M Jhamnani, SV Sadasivan, SK Jain… - arXiv preprint arXiv …, 2024 - arxiv.org
Dynamic Nuclear Polarization (DNP) is transforming NMR and MRI by significantly
enhancing sensitivity through the transfer of polarization from electron spins to nuclear spins …

Optimized photoexcited triplet state DNP for NMR applications

JM Steiner - 2024 - oparu.uni-ulm.de
This thesis builds upon the advancements achieved over the last decade in the field of
Dynamic Nuclear Polarization (DNP) using the photo-excited triplet state of pentacene …