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Conduction-Electron Drift Velocity Measurement via Electron Spin Resonance

M. Drescher, N. Kaplan, and E. Dormann
Phys. Rev. Lett. 96, 037601 – Published 23 January 2006
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Abstract

In analogy with NMR, motion induced phase shift of pulsed ESR signals enables in principle the direct detection of electron drift velocity or electronic current, respectively. Overcoming the difficulties with additional magnetic field gradients induced by the current itself, we succeeded in demonstrating the detection of electron flow via ESR. Measuring the electron drift velocity in the organic conductor (fluoranthene)P2F6 the microscopic Ohmic law could be observed in a current range of more than ±0.25A.

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  • Received 8 September 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.037601

©2006 American Physical Society

Authors & Affiliations

M. Drescher1,*, N. Kaplan2, and E. Dormann1

  • 1Physikalisches Institut, Universität Karlsruhe(TH) D-76128 Karlsruhe, Germany†
  • 2Racah Institute of Physics, Hebrew University of Jerusalem, 91904 Jerusalem, Israel

  • *Email address: Malte.Drescher@pi.uka.de
  • Electronic address: http://www-pi.physik.uni-karlsruhe.de/index_en.html

See Also

Electron Speedometer

Kim Krieger
Phys. Rev. Focus 17, 4 (2006)

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Issue

Vol. 96, Iss. 3 — 27 January 2006

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