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Tunneling Spectroscopy of Magnetic Impurities (=Mn,Fe,Co) in ZnO
Published online by Cambridge University Press: 01 February 2011
Abstract
The first observations have been made on the electronic density of states of Mn, Co and Fe-doped ZnO by tunneling spectroscopy. For Mn- and Co-doped ZnO, rising of DOS were observed around 2.8eV and 3.2eV below the bottom of the conduction band, respectively. In these cases, the Fermi level lay at the bottom of the conduction band. For Fe-doped ZnO, the DOS with about 1.2eV width was observed around the Fermi level in the mid-gap. The result reproduced the recent theoretical calculation.
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- Copyright © Materials Research Society 2008