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Persistent URL http://purl.org/net/epubs/work/65583
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Record Id 65583
Title Importance of Spin-Orbit Interaction for the Electron Spin Relaxation in Organic Semiconductors
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Abstract Despite the great interest organic spintronics has recently attracted, there is only a partial understanding of the fundamental physics behind electron spin relaxation in organic semiconductors. Mechanisms based on hyperfine interaction have been demonstrated, but the role of the spin-orbit interaction remains elusive. Here, we report muon spin spectroscopy and time-resolved photoluminescence measurements on two series of molecular semiconductors in which the strength of the spin-orbit interaction has been systematically modified with a targeted chemical substitution of different atoms at a particular molecular site. We find that the spin-orbit interaction is a significant source of electron spin relaxation in these materials.
Organisation ISIS , STFC , ISIS-HIFI
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Language English (EN)
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Journal Article Phys Rev Lett 110, no. 21 (2013): 216602. doi:10.1103/PhysRevLett.110.216602 2013
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