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Identifying the Electronic Character and Role of the Mn States in the Valence Band of (Ga,Mn)As
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2013 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 111, no 9, 097201- p.Article in journal (Refereed) Published
Abstract [en]

We report high-resolution hard x-ray photoemission spectroscopy results on (Ga,Mn)As films as a function of Mn doping. Supported by theoretical calculations we identify, for both low (1%) and high (13%) Mn doping values, the electronic character of the states near the top of the valence band. Magnetization and temperature-dependent core-level photoemission spectra reveal how the delocalized character of the Mn states enables the bulk ferromagnetic properties of (Ga,Mn)As.

Place, publisher, year, edition, pages
2013. Vol. 111, no 9, 097201- p.
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Natural Sciences
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URN: urn:nbn:se:uu:diva-208073DOI: 10.1103/PhysRevLett.111.097201ISI: 000323610800027OAI: oai:DiVA.org:uu-208073DiVA: diva2:651013
Available from: 2013-09-24 Created: 2013-09-23 Last updated: 2017-12-06Bibliographically approved

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Di Marco, IgorEriksson, Olle

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