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Organic electronics. Room-temperature coupling between electrical current and nuclear spins in OLEDs.
Malissa, H; Kavand, M; Waters, D P; van Schooten, K J; Burn, P L; Vardeny, Z V; Saam, B; Lupton, J M; Boehme, C.
Afiliación
  • Malissa H; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA. hmalissa@physics.utah.edu john.lupton@ur.de boehme@physics.utah.edu.
  • Kavand M; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA.
  • Waters DP; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA.
  • van Schooten KJ; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA.
  • Burn PL; Centre for Organic Photonics & Electronics, School of Chemistry and Molecular Biosciences, The University of Queensland, Queensland 4072, Australia.
  • Vardeny ZV; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA.
  • Saam B; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA.
  • Lupton JM; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA. Institut für Experimentelle und Angewandte Physik, Universität Regensburg, 93053 Regensburg, Germany. hmalissa@physics.utah.edu john.lupton@ur.de boehme@physics.utah.edu.
  • Boehme C; Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA. hmalissa@physics.utah.edu john.lupton@ur.de boehme@physics.utah.edu.
Science ; 345(6203): 1487-90, 2014 Sep 19.
Article en En | MEDLINE | ID: mdl-25237097
The effects of external magnetic fields on the electrical conductivity of organic semiconductors have been attributed to hyperfine coupling of the spins of the charge carriers and hydrogen nuclei. We studied this coupling directly by implementation of pulsed electrically detected nuclear magnetic resonance spectroscopy in organic light-emitting diodes (OLEDs). The data revealed a fingerprint of the isotope (protium or deuterium) involved in the coherent spin precession observed in spin-echo envelope modulation. Furthermore, resonant control of the electric current by nuclear spin orientation was achieved with radiofrequency pulses in a double-resonance scheme, implying current control on energy scales one-millionth the magnitude of the thermal energy.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Science Año: 2014 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Science Año: 2014 Tipo del documento: Article Pais de publicación: Estados Unidos