An X-Band Crossed-Loop EPR Resonator
Cross-loop resonator, Efficiency, Coal, Immobilized nitroxide
College of Natual Science and Mathematics, Chemistry and Biochemistry
A copper X-band (9.22 GHz) cross-loop resonator has been constructed for use with 4 mm sample tubes. The Q for the two resonators is 380 and 350, respectively. The resonator efficiency is about 1 G per square root of watt. Operation has been demonstrated with measurement of T 1 by saturation recovery for samples of coal and an immobilized nitroxide.
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Rinard, G. A., Quine, R. W., McPeak, J., Buchanan, L., Eaton, S. S, & Eaton, G. R. (2017). An X-Band Crossed-Loop EPR Resonator. Applied Magnetic Resonance, 48(11), 1219-1226. DOI:10.1007/s00723-017-0945-2.