Two-dimensional Fourier-transform electron spin resonance in complex fluids

Sanghyuk Lee, Baldev R. Patyal, Sunil Saxena, Richard H. Crepeau, Jack H. Freed

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Two-dimensional Fourier-transform ESR spectra from a complex fluid characterized by very short free induction decay times are reported. They provide enhanced resolution to dynamic molecular structure compared to conventional cw-ESR spectra which are inhomogeneously broadened by the macroscopic disorder. A general theoretical analysis based on the stochastic Liouville equation permits us to accurately determine the microscopic ordering and motional dynamic rates by non-linear least-squares fitting to experiment.

Original languageEnglish
Pages (from-to)397-406
Number of pages10
JournalChemical Physics Letters
Volume221
Issue number5-6
DOIs
StatePublished - 29 Apr 1994

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