ArticleJournal of magnetic resonance (San Diego, Calif. : 1997)2024
Characterization of dielectric properties and their impact on MAS-DNP NMR applications.
Article in Journal of magnetic resonance (San Diego, Calif. : 1997), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Accessible hybrid DFT-quality NMR crystallographyChemical science · 2026Article
- Systematic Evaluation of Polarizing Agents for Dynamic Nuclear Polarization Enhanced NMR.Angewandte Chemie (International ed. in English) · 2025Article
- High-field pulsed EPR spectroscopy under magic angle spinning.Science advances · 2024Article
- Sorbitol-Based Glass Matrices Enable Dynamic Nuclear Polarization beyond 200 K.The journal of physical chemistry letters · 2024Article
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6 authors.
Funding
Abstract
The dielectric properties of materials play a crucial role in the propagation and absorption of microwave beams employed in Magic Angle Spinning - Dynamic Nuclear Polarization (MAS-DNP) NMR experiments. Despite ongoing optimization efforts in sample preparation, routine MAS-DNP NMR applications often fall short of theoretical sensitivity limits. Offering a different perspective, we report the refractive indices and extinction coefficients of diverse materials used in MAS-DNP NMR experiments, spanning a frequency range from 70 to 960 GHz. Knowledge of their dielectric properties enables the accurate simulation of electron nutation frequencies, thereby guiding the design of more efficient hardware and sample preparation of biological or material samples. This is illustrated experimentally for four different rotor materials (sapphire, yttria-stabilized zirconia (YSZ), aluminum nitride (AlN), and SiAlON ceramics) used for DNP at 395 GHz/
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