Theoretical Description of Pulsed RYDMR: Refocusing Zero-Quantum and Single Quantum Coherences

Egor A. Nasibulov, Jan Behrends, Leonid V. Kulik, Konstantin L. Ivanov

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A theoretical description of pulsed reaction yield detected magnetic resonance (RYDMR) is proposed. In RYDMR, magnetic resonance spectra of radical pairs (RPs) are indirectly detected by monitoring their recombination yield. Such a detection method is significantly more sensitive than conventional electron paramagnetic resonance (EPR), but design of appropriate pulse sequences for RYDMR requires additional effort because of a different observable. In this work various schemes for generating spin-echo like signals and detecting them by RYDMR are treated. Specifically, we consider refocusing of zero-quantum coherences (ZQCs) and single-quantum coherences (SQCs) by selective as well as by non-selective pulses and formulate a general analytical approach to pulsed RYDMR, which makes an efficient use of the product operator formalism. We anticipate that these results are of importance for RYDMR studies of elusive paramagnetic particles, notably, in organic semiconductors.

Original languageEnglish
Pages (from-to)269-291
Number of pages23
JournalZeitschrift fur Physikalische Chemie
Issue number2
Publication statusPublished - 1 Feb 2017


  • Organic semiconductors
  • spin chemistry
  • spin echo


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