EPJ Web Conf.
Volume 187, 201830th Joint Russian-German Meeting on ECRH and Gyrotrons
|Number of page(s)||2|
|Published online||03 September 2018|
Augmenting microwave irradiation in MAS DNP NMR samples at 263 GHz
Bruker Biospin GmbH, Rheinstetten, Germany
2 Karlsruhe Institute of Technology, Karlsruhe, Germany
3 Bruker Biospin France, Wissembourg, France
Published online: 3 September 2018
The magnetic microwave field strength and its detailed spatial distribution in magic-angle spinning (MAS) nuclear magnetic resonance (NMR) probes capable of dynamic nuclear polarization (DNP) is investigated by numerical simulations with the objective to augment the magnetic microwave amplitude by structuring the sample in the mm and sub-mm range and by improving the coupling of the incident microwave beam to the sample. As it will be shown experimentally, both measures lead to an increase of the microwave efficiency in DNP MAS NMR.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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