High-field impurity magneto-optics of Si:Se

K. L. Litvinenko, M. Pang, Juerong Li, E. Bowyer, H. Engelkamp, V. B. Shuman, L. M. Portsel, A. N. Lodygin, Yu. A. Astrov, S. G. Pavlov, H.-W. Hübers, C. R. Pidgeon, and B. N. Murdin
Phys. Rev. B 90, 115204 – Published 8 September 2014

Abstract

Just as phosphorus in silicon produces a hydrogenic defect, the double donor selenium in silicon is an analog of helium. We have measured the impurity absorption spectrum at high magnetic field, and we show that the odd-parity excited states of Si:Se behave identically to those of Si:P. This fact allows us to isolate the electron-electron interactions (exchange and correlation) in the ground state from the quadratic Zeeman effect. The field tuning allows us to put upper limits on the strength of some of these interactions (e.g., at 30 T the electron-electron correlation interaction in the ground state of Se is less than about 40 μeV; at 30 T the quadratic Zeeman energy in the ground state of P is less than about 200 μeV).

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  • Received 30 June 2014
  • Revised 18 August 2014

DOI:https://doi.org/10.1103/PhysRevB.90.115204

©2014 American Physical Society

Authors & Affiliations

K. L. Litvinenko1,*, M. Pang1, Juerong Li1, E. Bowyer1, H. Engelkamp2, V. B. Shuman3, L. M. Portsel3, A. N. Lodygin3, Yu. A. Astrov3, S. G. Pavlov4, H.-W. Hübers4,5, C. R. Pidgeon6, and B. N. Murdin1

  • 1Advanced Technology Institute and SEPNet, University of Surrey, Guildford GU2 7XH, United Kingdom
  • 2High Field Magnet Laboratory, Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 7, NL-6525 ED Nijmegen, The Netherlands
  • 3Ioffe Physical-Technical Institute, Politekhnicheskaya 26, 194021 St. Petersburg, Russia
  • 4Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstraße 2, 12489 Berlin, Germany
  • 5Technische Universität Berlin, Institut für Optik und Atomare Physik, Hardenbergstrasse 36, 10623 Berlin, Germany
  • 6Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom

  • *Corresponding author: k.litvinenko@surrey.ac.uk

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Vol. 90, Iss. 11 — 15 September 2014

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