Controlled aggregation of magnetic ions in a semiconductor: an experimental demonstration |
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| Authors: | Bonanni A Navarro-Quezada A Li Tian Wegscheider M Matĕj Z Holý V Lechner R T Bauer G Rovezzi M D'Acapito F Kiecana M Sawicki M Dietl T |
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| Affiliation: | Institute for Semiconductor and Solid State Physics, Johannes Kepler University, A-4040, Linz, Austria. alberta.bonanni@jku.at |
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| Abstract: | The control on the distribution of magnetic ions into a semiconducting host is crucial for the functionality of magnetically doped semiconductors. Through a structural analysis at the nanoscale, we give experimental evidence that the aggregation of Fe ions in (Ga,Fe)N and consequently the magnetic response of the material are affected by the growth rate and doping with shallow impurities. |
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