Spin-lattice relaxation studies on semiquinone ions

Lingam, K. V. ; Nair, P. G. ; Venkataraman, Balu (1972) Spin-lattice relaxation studies on semiquinone ions Proceedings of the Indian Academy of Sciences, Section A, 76 (5). pp. 207-220. ISSN 0370-0089

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Official URL: http://www.ias.ac.in/j_archive/proca/76/5/207-220/...

Related URL: http://dx.doi.org/10.1007/BF03048128


Electron spin-lattice relaxation times of p-benzosemiquinone, durosemiquinone and 2, 5 ditertiary butyl-p-benzosemiquinone ions have been measured by the pulsed saturation recovery technique. The relaxation times of the different hyperfine components of a semiquinone ion are the same within the limits of experimental error in disagreement with the findings of Schreurs and Fraenkel. The dependence of T1 on viscosity does not follow the BPP's theory.

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