Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 3, issue 2
Articles | Volume 3, issue 2
https://doi.org/10.5194/mr-3-203-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-3-203-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 2
Research article
 | 
06 Oct 2022
Research article |  | 06 Oct 2022

Electroplated waveguides to enhance DNP and EPR spectra of silicon and diamond particles

Aaron Himmler, Mohammed M. Albannay, Gevin von Witte, Sebastian Kozerke, and Matthias Ernst

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Latest update: 31 Oct 2025
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Short summary
Dynamic nuclear polarization requires a waveguide that connects the cold (1–10 K) sample space to the outside. To reduce the heating of the sample, a waveguide is produced from steel which has low thermal conductivity but attenuates the microwaves. Therefore, the inside of the waveguide should be plated with silver to reduce electrical losses. We show a new simple way to electroplate such waveguides with a thin silver layer and show that this improves the experimental performance.
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