Joshi, G. and Miller, R. and Ogden, L. and Kavand, M. and Jamali, S. and Ambal, K. and Venkatesh, S. and Schurig, D. and Malissa, H. and Lupton, J. M. and Boehme, C. (2016) Separating hyperfine from spin-orbit interactions in organic semiconductors by multi-octave magnetic resonance using coplanar waveguide microresonators. APPLIED PHYSICS LETTERS, 109 (10): 103303. pp. 191-195. ISSN 0003-6951, 1077-3118
Full text not available from this repository. (Request a copy)Abstract
Separating the influence of hyperfine from spin-orbit interactions in spin-dependent carrier recombination and dissociation processes necessitates magnetic resonance spectroscopy over a wide range of frequencies. We have designed compact and versatile coplanar waveguide resonators for continuous-wave electrically detected magnetic resonance and tested these on organic light-emitting diodes. By exploiting both the fundamental and higher-harmonic modes of the resonators, we cover almost five octaves in resonance frequency within a single setup. The measurements with a common p-conjugated polymer as the active material reveal small but non-negligible effects of spin-orbit interactions, which give rise to a broadening of the magnetic resonance spectrum with increasing frequency. Published by AIP Publishing.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | MAGNETORESISTANCE; RECOMBINATION; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group John Lupton |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 21 Mar 2019 14:02 |
| Last Modified: | 21 Mar 2019 14:02 |
| URI: | https://pred.uni-regensburg.de/id/eprint/3300 |
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