Imaging of the [Mn2+(3d5) + hole] complex in GaAs by Cross-sectional Scanning Tunneling Microscopy

Yakunin, A. M.; Silov, A. Yu.; Koenraad, P. M.; Van Roy, W.; De Boeck, J.; Wolter, J. H.

doi:10.1016/j.physe.2003.11.168

arXiv 2003-08-12 DOI 10.1016/j.physe.2003.11.168 0 views

Imaging of the [Mn2+(3d5) + hole] complex in GaAs by Cross-sectional Scanning Tunneling Microscopy

Yakunin, A. M. · Silov, A. Yu. · Koenraad, P. M. · Van Roy, W. · De Boeck, J. · Wolter, J. H.

Materials Science

Original · EN

We present results on the direct spatial mapping of the wave-function of a hole bound to a Mn acceptor in GaAs. To investigate individual Mn dopants at the atomic scale in both ionized and neutral configurations, we used a room temperature cross-sectional scanning tunneling microscope (X-STM). We found that in the neutral configuration manganese manifests itself as an anisotropic cross-like feature. We attribute this feature to a hole weakly bound to the Mn ion forming the [Mn2+(3d5) + hole] complex.

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