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Structural studies of ZnO calcined with transition metal oxides
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Engineering Material Physics.
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2006 (English)In: Mater Res Soc Symp Proc, 2006, 455-460 p.Conference paper (Refereed)
Abstract [en]

Powder X-ray diffraction analyses of Mn-and Cu-doped ZnO powders calcined at 500°C, show shifts in the wurtzite type semiconductor's lattice constants and unit cell volume which correspond to the nominal concentrations of both transition metal dopants. Marked reductions in the a-lattice constant and unit cell volume for a small concentration of Cu dopants, which is not maintained upon increased Cu concentration, suggest a change in the copper ion hybridization state due to the dopant concentration. In all the samples, only ZnO and CuO phases were detected, aiding the ascertainment of any ferromagnetic response from the samples as arising from the formation of a true dilute magnetic semiconductor.

Place, publisher, year, edition, pages
2006. 455-460 p.
, Materials Research Society Symposium Proceedings, ISSN 0272-9172 ; 891
Keyword [en]
Dopant concentration, Hybridization, Transition metal oxides, Unit cell volume, Copper compounds, Doping (additives), Ferromagnetic materials, Lattice constants, Magnetic semiconductors, Manganese compounds, Semiconductor materials, Transition metals, X ray diffraction, Zinc oxide
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-155998ISI: 000239521000069ScopusID: 2-s2.0-33747375116ISBN: 1558998454ISBN: 9781558998452OAI: diva2:765662
2005 MRS Fall Meeting, 28 November-1 December 2005, Boston, MA, USA

QC 20141124

Available from: 2014-11-24 Created: 2014-11-17 Last updated: 2014-11-24Bibliographically approved

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Gupta, Amita K.Rao, Venkat
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