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Chemical Manipulation of High-TC Ferromagnetism in ZnO Diluted Magnetic Semiconductors
Physical Review Letters (2005)
  • Kevin R. Kittilstved, University of Massachusetts - Amherst
  • D. R Gamelin
  • N. S Norberg

We report the use of targeted p- and n-type chemical perturbations to manipulate high-TC ferromagnetism in Mn2+∶ZnO and Co2+∶ZnO in predictable and reproducible ways. We demonstrate a clear correlation between nitrogen and high-TC ferromagnetism for Mn2+∶ZnO and an inverse correlation for Co2+∶ZnO, both as predicted by recent theoretical models. These chemical perturbations reveal rich possibilities for exerting external control over high-TC spin ordering in diluted magnetic semiconductors.

Publication Date
April, 2005
Publisher Statement
Doi:10.1103/PhysRevLett.94.147209 Copyright 2005 by The American Physical Society.
Citation Information
Kevin R. Kittilstved, D. R Gamelin and N. S Norberg. "Chemical Manipulation of High-TC Ferromagnetism in ZnO Diluted Magnetic Semiconductors" Physical Review Letters Vol. 94 Iss. 14 (2005)
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