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Defect-induced room temperature ferromagnetism in B-doped ZnO
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2013 (English)In: Ceramics International, ISSN 0272-8842, E-ISSN 1873-3956, Vol. 39, no 4, 4609-4617 p.Article in journal (Refereed) Published
Abstract [en]

ZnO microrods were grown on glass substrates by the spray pyrolysis method and boron was doped into the ZnO microrods by diffusion. X-ray diffraction results confirmed that the incorporation of B leads to a slight reduction in the deposit texture. Scanning electron microscopy measurements showed that the morphology of the ZnO samples changed from a microrod to nanocrystalline structure with B-doping. Photoluminescence data indicate that B-doping leads to a relative increase of the unstructured green band intensity. Magnetic measurements revealed that B-doped ZnO samples exhibited room temperature ferromagnetism related to defects, in agreement with first principles theoretical calculations.

Place, publisher, year, edition, pages
2013. Vol. 39, no 4, 4609-4617 p.
Keyword [en]
ZnO:B, Photoluminescence, Ferromagnetism, First-principle calculation
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URN: urn:nbn:se:kth:diva-123418DOI: 10.1016/j.ceramint.2012.11.060ISI: 000318129100144ScopusID: 2-s2.0-84874666147OAI: diva2:626644
Swedish Research Council

QC 20130610

Available from: 2013-06-10 Created: 2013-06-10 Last updated: 2013-06-10Bibliographically approved

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Ahuja, Rajeev
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Applied Material Physics
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