Document Detail


Identification of different electron screening behavior between the bulk and surface of (ga,mn)as.
MedLine Citation:
PMID:  22107669     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We report x-ray photoemission spectroscopy results on (Ga,Mn)As films as a function of both temperature and Mn doping. Analysis of Mn 2p core level spectra reveals the presence of a distinct electronic screening channel in the bulk, hitherto undetected in more surface sensitive analysis. Comparison with model calculations identifies the character of the Mn 3d electronic states and clarifies the role, and the difference between surface and bulk, of hybridization in mediating the ferromagnetic coupling in (Ga,Mn)As.
Authors:
J Fujii; M Sperl; S Ueda; K Kobayashi; Y Yamashita; M Kobata; P Torelli; F Borgatti; M Utz; C S Fadley; A X Gray; G Monaco; C H Back; G van der Laan; G Panaccione
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Publication Detail:
Type:  Journal Article     Date:  2011-10-27
Journal Detail:
Title:  Physical review letters     Volume:  107     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-11-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  187203     Citation Subset:  IM    
Affiliation:
CNR Istituto Officina dei Materiali (IOM), Laboratorio TASC, S.S.14, Km 163.5, I-34149 Trieste, Italy.
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