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American Chemical Society, The Journal of Physical Chemistry A, 14(110), p. 4622-4628, 2006

DOI: 10.1021/jp054780f

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Longitudinal Electron Spin Relaxation Induced by Degenerate Electron Exchange as Studied by Time-Resolved Magnetic Field Effects

Journal article published in 2006 by Vsevolod I. Borovkov, Konstantin L. Ivanov ORCID, Victor A. Bagryansky, Yuri N. Molin
This paper is available in a repository.
This paper is available in a repository.

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Abstract

T(1) paramagnetic relaxation of radical ions induced by degenerate electron exchange (DEE) reactions is studied theoretically and experimentally. Our theoretical analysis shows that T(1) relaxation time is well described by the Redfield theory at arbitrary values of the characteristic DEE time tau. Longitudinal relaxation of norbornane (NB) radical cation is studied by means of the time-resolved magnetic field effects (TR-MFE) technique; the rate constant of DEE involving NB(*+) radical cation and NB neutral molecule is obtained. Advantages of the TR-MFE technique and its potential for measuring the short DEE times are discussed in detail.