Properties of the HYSCORE Spin Echo Signal

In hyperfine sublevel correlation spectroscopy (HYSCORE), the finite duration of the microwave pulses leads to an incomplete inversion of the electron spin magnetization by the third pulse, which results in a significant admixture of stimulated ESEEM to HYSCORE ESEEM. This virtually unavoidable cont...

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Bibliographic Details
Published inJournal of magnetic resonance (1997) Vol. 148; no. 2; pp. 379 - 387
Main Authors Astashkin, A.V., Raitsimring, A.M.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.02.2001
Subjects
echo integration
ESE
ESEEM
four-pulse echo
HYSCORE
HYSCORE
echo integration
four-pulse echo
ESEEM
ESE
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Summary:In hyperfine sublevel correlation spectroscopy (HYSCORE), the finite duration of the microwave pulses leads to an incomplete inversion of the electron spin magnetization by the third pulse, which results in a significant admixture of stimulated ESEEM to HYSCORE ESEEM. This virtually unavoidable contribution of stimulated ESEEM seriously hampers the analysis of the modulation amplitudes in HYSCORE. In this work, we analyze the properties of the spin echo signals contributing to the composite HYSCORE signal. Based on this analysis, we propose the strategies of HYSCORE data acquisition and processing that allow one to practically eliminate the contribution of the stimulated echo and make the HYSCORE ESEEM analyzable in quantitative terms.
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ISSN:1090-7807
1096-0856
DOI:10.1006/jmre.2000.2264