Magnetic field effects in the recombination fluorescence of a three-spin radical ion/biradical ion system

Autor:	O. M. Usov, Yu. N. Molin, Nikita N. Lukzen
Rok vydání:	2002
Předmět:	Field (physics) Chemistry Kinetics Exchange interaction General Physics and Astronomy Photochemistry Molecular physics Magnetic field Ion Radical ion Physics::Plasma Physics Yield (chemistry) Physics::Chemical Physics Physical and Theoretical Chemistry Spin (physics)
Zdroj:	Physical Chemistry Chemical Physics. 4:5249-5258
ISSN:	1463-9084 1463-9076
DOI:	10.1039/b206968g
Popis:	Magnetosensitive radiofluorescence resulting from geminate recombination of a spin triad involving a radical ion and a biradical ion formed radiolytically in non-polar solutions has been investigated theoretically. The effect of exchange interaction in the biradical ion on the kinetics and yield of radiofluorescence has been studied. Hyperfine coupling in the radical ion and in the biradical ion has been taken into account. The existence of local fluorescence resonances at zero magnetic field and at a field close to the value of the exchange integral in the biradical has been predicted theoretically. The latter result provides a basis to determine the exchange integral in short-lived radiolytically generated biradical ions with high accuracy from experiment.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::e8424b4c9a0decf70a86bf12f248e304 https://doi.org/10.1039/b206968g Zobrazit plný text záznamu