Nuclear relaxation in a one-dimensional triplet-exciton system |
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| Authors: | F Devreux M Nechtschein |
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| Institution: | Centre d''Etudes Nucléaires de Grenoble, Département de Recherche Fondamentale, Section de Résonance Magnétique, B.P 85 Centre de Tri, 38041 Grenoble, Cedex, France |
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| Abstract: | The proton spin-lattice relaxation time has been measured in (?3AsCH3)+ (TCNQ)-2 at 145 K as a function of the frequency. The results are interpreted in terms of interrupted one-dimensional random walk of the excitons along the TCNQ chains. The interruption is discussed in terms of the exciton-exciton collisions. |
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