Muon study of the spin dynamics in the organic spin-peierls compound MEM(TCNQ)2

Brendon W Lovett, S J Blundell, T Jestädt, F L Pratt, M Kurmoo, S Tagaki, W Hayes

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We report a muon spin relaxation study of the organic spin-Peierls system MEM(TCNQ)(2) over the temperature range 39 mK to 200 K. Our results show a crossover from Gaussian to exponential relaxation below the spin-Peierls transition temperature. We attribute this change to the effect of a dilute set of static electronic defect spins resulting from the majority of spins freezing into a non-magnetic spin singlet state.

Original languageEnglish
Pages (from-to)2034-2037
Number of pages4
JournalSynthetic Metals
Issue number1-3
Publication statusPublished - Jun 1999

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