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Magnetization in electron- and Mn- doped SrTiO3
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2013 (English)In: Scientific Reports, ISSN 2045-2322, Vol. 3, 1433- p.Article in journal (Refereed) Published
Abstract [en]

Mn- doped SrTiO3.0, when synthesized free of impurities, is a paramagnetic insulator with interesting dielectric properties. Since delocalized charge carriers are known to promote ferromagnetism in a large number of systems via diverse mechanisms, we have looked for the possibility of any intrinsic, spontaneous magnetization by simultaneous doping of Mn ions and electrons into SrTiO3 via oxygen vacancies, thereby forming SrTi1-xMnxO3-delta, to the extent of making the doped system metallic. We find an absence of any enhancement of the magnetization in the metallic sample when compared with a similarly prepared Mn doped, however, insulating sample. Our results, thus, are not in agreement with a recent observation of a weak ferromagnetism in metallic Mn doped SrTiO3 system.

Place, publisher, year, edition, pages
2013. Vol. 3, 1433- p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-197972DOI: 10.1038/srep01433ISI: 000315939200004OAI: oai:DiVA.org:uu-197972DiVA: diva2:615051
Available from: 2013-04-08 Created: 2013-04-08 Last updated: 2013-04-08Bibliographically approved

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Sarma, Dipankar Das
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Molecular and condensed matter physics
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