Spatial structure of an individual Mn acceptor in GaAs

A.M. Yakunin, A.Y. Silov, P.M. Koenraad, J.H. Wolter, W. Roy, van, J. De Boeck, J.-M. Tang, M.E. Flatté

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

168 Citaten (Scopus)
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The wave function of a hole bound to an individual Mn acceptor in GaAs is spatially mapped by scanning tunneling microscopy at room temperature and an anisotropic, crosslike shape is observed. The spatial structure is compared with that from an envelope-function, effective mass model and from a tight-binding model. This demonstrates that anisotropy arising from the cubic symmetry of the GaAs crystal produces the crosslike shape for the hole wave function. Thus the coupling between Mn dopants in GaMnAs mediated by such holes will be highly anisotropic
Originele taal-2Engels
Pagina's (van-tot)216806-1/4
Aantal pagina's4
TijdschriftPhysical Review Letters
Nummer van het tijdschrift21
StatusGepubliceerd - 2004


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