Determination of all relevant conduction electron scattering times in an 
exceptionally anisotropic arene conductor, the 12:7 pyrene hexafluoroantimonate 
radical cation salt

Kaiser, A; Wokrina , T; Pongs, B; Dormann, E

doi:10.1088/0953-8984/15/41/016

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Determination of all relevant conduction electron scattering times in an exceptionally anisotropic arene conductor, the 12:7 pyrene hexafluoroantimonate radical cation salt

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Kaiser, A., Wokrina, T., Pongs, B., & Dormann, E. (2003). Determination of all relevant conduction electron scattering times in an exceptionally anisotropic arene conductor, the 12:7 pyrene hexafluoroantimonate radical cation salt. Journal of Physics: Condensed Matter, 15(41), 7085-7093. doi:10.1088/0953-8984/15/41/016.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-DB1F-A

Abstract

For (pyrene)12(SbF6)7 a 104:1 anisotropy of the microwave conductivity is observed. We show that the timescale for the end of the one-dimensional motion of the conduction electron spins derived by analysis of the frequency and temperature dependence of the proton spin–lattice relaxation and of the electron spin resonance linewidth and relaxation times is governed to a comparable degree by perpendicular-to-stack hopping and by interaction with intrastack paramagnetic localized defects in these crystals. The electron spin self-diffusion coefficient derived for the magnetic field gradient parallel to the pyrene stacking direction is therefore influenced by perpendicular-to-stack motion as well.