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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, p. 097201-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, p. 097201-
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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, id: 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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