Articles | Volume 3, issue 2
Magn. Reson., 3, 203–209, 2022
https://doi.org/10.5194/mr-3-203-2022
Magn. Reson., 3, 203–209, 2022
https://doi.org/10.5194/mr-3-203-2022
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 et al.

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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.