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Coherent Spin Control by Electrical Manipulation of the Magnetic Anisotropy

Richard E. George, James P. Edwards, and Arzhang Ardavan
Phys. Rev. Lett. 110, 027601 – Published 7 January 2013
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Abstract

High-spin paramagnetic manganese defects in polar piezoelectric zinc oxide exhibit a simple, almost axial anisotropy and phase coherence times of the order of a millisecond at low temperatures. The anisotropy energy is tunable using an externally applied electric field. This can be used to control electrically the phase of spin superpositions and to drive spin transitions with resonant microwave electric fields.

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  • Received 20 October 2012

DOI:https://doi.org/10.1103/PhysRevLett.110.027601

© 2013 American Physical Society

Synopsis

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ac/dc Spin Control

Published 7 January 2013

Manganese defects in zinc oxide have been identified as a class of electrically controllable qubits.

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Authors & Affiliations

Richard E. George1,2, James P. Edwards2, and Arzhang Ardavan2

  • 1Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, United Kingdom
  • 2CAESR, Department of Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom

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Issue

Vol. 110, Iss. 2 — 11 January 2013

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