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μSR study of electron radical dynamics in regio-regular polythiophene

μSR study of electron radical dynamics in regio-regular polythiophene
Risdiana, Fitrilawati, R. Hidayat, R. E. Siregar, M. O. Tjia, I. Watanabe
Universitas Padjadjaran, International Conference on Magnetism (ICM 2009) IOP Publishing, Journal of Physics: Conference Series 200 (2010) 052024 doi:10.1088/1742-6596/200/5/052024
Bahasa Inggris
Universitas Padjadjaran, International Conference on Magnetism (ICM 2009) IOP Publishing, Journal of Physics: Conference Series 200 (2010) 052024 doi:10.1088/1742-6596/200/5/052024
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We have carried out longitudinal field (LF) muon-spin-relaxation (μSR) measurements in polythiophene based polymers of Poly(3-hexylthiophene-2,5-diyl) with regioregular structure to elucidate the intra- and inter-chain hopping mechanisms. The LF dependent muon-spin depolarization rate indicates the occurrence of dimensional crossover from 1 dimensional intra-chain spin diffusion to 3 dimensional inter-chain spin diffusion at 25 K.

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