Hyperfine Stark effect of shallow donors in silicon

Giuseppe Pica,1,* Gary Wolfowicz,2,3 Matias Urdampilleta,2 Mike L. W. Thewalt,4 Helge Riemann,5 Nikolai V. Abrosimov,5 Peter Becker,6 Hans-Joachim Pohl,7 John J. L. Morton,2,8 R. N. Bhatt,9 S. A. Lyon,9 and Brendon W. Lovett1,3,* 1SUPA, School of Physics and Astronomy, University of St Andrews, KY16 9SS, United Kingdom 2London Centre for Nanotechnology, University College London, London WC1H 0AH, United Kingdom 3Department of Materials, Oxford University, Oxford OX1 3PH, United Kingdom 4Department of Physics, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada 5Institute for Crystal Growth, Max-Born Strasse 2, D-12489 Berlin, Germany 6Physikalisch-Tecnische Bundesanstalt, D-38116 Braunschweig, Germany 7Vitcon Projectconsult GmbH, 07745 Jena, Germany 8Department of Electronic & Electrical Engineering, University College London, London WC1E 7JE, United Kingdom 9Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA (Received 8 September 2014; revised manuscript received 29 October 2014; published 18 November 2014)