Articles | Volume 2, issue 2
https://doi.org/10.5194/mr-2-673-2021
https://doi.org/10.5194/mr-2-673-2021
Research article
 | 
25 Aug 2021
Research article |  | 25 Aug 2021

Rapid-scan electron paramagnetic resonance using an EPR-on-a-Chip sensor

Silvio Künstner, Anh Chu, Klaus-Peter Dinse, Alexander Schnegg, Joseph E. McPeak, Boris Naydenov, Jens Anders, and Klaus Lips

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Latest update: 13 Nov 2024
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Short summary
Electron paramagnetic resonance (EPR) spectroscopy is the method of choice to investigate and quantify paramagnetic species. We present the application of an unconventional EPR detection method, rapid-scan EPR, to enhance the sensitivity on an improved design of a miniaturized EPR spectrometer implemented on a silicon microchip. Due to its size, it may be integrated into complex and harsh sample environments, enabling in situ or operando EPR measurements that have previously been inaccessible.