The use of the magnetic field associated with Maxwell displacement current in a capacitor is proposed for the detection of Electron Spin Resonance. A probe based on this concept is realized and successfully tested with CW radio-frequency in the band going from 200 MHz to 1 GHz with a DPPH sample. A significant increase of Signal to Noise Ratio is observed while increasing the frequency.
A capacitive probe for Electron Spin Resonance detection / Aloisi, Giovanni; Dolci, David; Carlà, Marcello; Mannini, Matteo; Piuzzi, Barbara; Caneschi, Andrea. - In: JOURNAL OF MAGNETIC RESONANCE. - ISSN 1090-7807. - STAMPA. - 263:(2016), pp. 116-121. [10.1016/j.jmr.2015.12.017]
A capacitive probe for Electron Spin Resonance detection
ALOISI, GIOVANNI DOMENICO;DOLCI, DAVID;CARLA', MARCELLO;MANNINI, MATTEO;CANESCHI, ANDREA
2016
Abstract
The use of the magnetic field associated with Maxwell displacement current in a capacitor is proposed for the detection of Electron Spin Resonance. A probe based on this concept is realized and successfully tested with CW radio-frequency in the band going from 200 MHz to 1 GHz with a DPPH sample. A significant increase of Signal to Noise Ratio is observed while increasing the frequency.
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