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Defect-induced room temperature ferromagnetism in B-doped ZnO

Yilmaz, S., Nisar, J., Atasoy, Y., McGlynn, Enda, Ahuja, R., Parlak, M. and Bacaksiz, E. (2013) Defect-induced room temperature ferromagnetism in B-doped ZnO. Ceramics International, 39 (4). pp. 4609-4617. ISSN 0272-8842

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.
Item Type:Article (Published)
Uncontrolled Keywords:ZnO:B; Photoluminescence; Ferromagnetism; First-principle calculation
Subjects:Physical Sciences > Physics
Physical Sciences > Semiconductors
DCU Faculties and Centres:Research Institutes and Centres > National Centre for Plasma Science and Technology (NCPST)
DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Official URL:http://dx.doi.org/10.1016/j.ceramint.2012.11.060
Copyright Information:© 2013 Elsevier
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:19602
Deposited On:21 Oct 2013 15:31 by Enda Mcglynn . Last Modified 19 Jul 2018 15:02

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