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Interstitial Mn as a new donor in GaP and GaAs: an EPR study |
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| Authors: | SJCHM van Gisbergen M Godlewski T Gregorkiewicz CAJ Ammerlaan |
| Institution: | Natuurkundig Laboratorium der Universiteit van Amsterdam, Valckenierstraat 65, NL-1018, XE Amsterdam, Netherlands |
| Abstract: | We report the observation of a new electron paramagnetic resonance centre in neutron-irradiated GaP and a similar new EPR centre in Mn-doped GaAs. Both centres have been identified as interstitial Mn and act as a donor. To our knowledge this is the first observation by EPR of an interstitial transition-metal impurity in a III-V compound. The implication of this new finding on the issue of Mn diffusion is discussed. |
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