George A. Rinard, Richard W. Quine, Barnard T. Ghim, Sandra S. Eaton, Gareth R. Eaton
{"title":"Dispersion and Superheterodyne EPR Using a Bimodal Resonator","authors":"George A. Rinard, Richard W. Quine, Barnard T. Ghim, Sandra S. Eaton, Gareth R. Eaton","doi":"10.1006/jmra.1996.0174","DOIUrl":null,"url":null,"abstract":"<div><p>Superheterodyne detection using a crossed-loop resonator permits observation of species with long electron-spin-relaxation times without passage effects and permits observation of dispersion spectra with higher signal-to-noise than absorption spectra. This was demonstrated with S-band (2.9 GHz) absorption and dispersion spectra for the defect centers in γ-irradiated fused SiO<sub>2</sub>and for the radicals in coal.</p></div>","PeriodicalId":16165,"journal":{"name":"Journal of Magnetic Resonance, Series A","volume":"122 1","pages":"Pages 58-63"},"PeriodicalIF":0.0000,"publicationDate":"1996-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmra.1996.0174","citationCount":"29","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Magnetic Resonance, Series A","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1064185896901746","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 29
Abstract
Superheterodyne detection using a crossed-loop resonator permits observation of species with long electron-spin-relaxation times without passage effects and permits observation of dispersion spectra with higher signal-to-noise than absorption spectra. This was demonstrated with S-band (2.9 GHz) absorption and dispersion spectra for the defect centers in γ-irradiated fused SiO2and for the radicals in coal.