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Tuning magnetism of MnO by doping with 2p elements
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science.
2010 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 322, no 2, 253-256 p.Article in journal (Refereed) Published
Abstract [en]

We show that the antiferromagnetic coupling between Mn atoms in MnO can be tuned to a ferromagneticone by doping it with a small concentration of 2p elements like boron, carbon and nitrogen. Our ab initio density functional calculations in the Hubbard U framework show that the coupling between Mn atoms turns ferromagnetic for 3 at% B doping. B is found to be the most effective one in stabilizing ferromagnetism. We discuss the role of 2p states of the dopant atoms to explain the trend of ferromagnetism in MnO. (C) 2009 Elsevier B. V. All rights reserved.

Place, publisher, year, edition, pages
2010. Vol. 322, no 2, 253-256 p.
Keyword [en]
Diluted magnetic semiconductor, Spintronics, Ferromagnetism, Density functional theory
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-127454DOI: 10.1016/j.jmmm.2009.09.004ISI: 000271099800014OAI: oai:DiVA.org:uu-127454DiVA: diva2:330087
Available from: 2010-07-14 Created: 2010-07-13 Last updated: 2017-12-12Bibliographically approved

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Sanyal, Biplab

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