Ferromagnetism in Ti-doped ZnO thin films

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Article number17B908
Journal / PublicationJournal of Applied Physics
Volume117
Issue number17
Publication statusPublished - 7 May 2015

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Abstract

We report our study on the origin of ferromagnetism in Ti-doped ZnO. A series of Ti doped ZnO films with increasing concentration of Ti dopant were grown and characterized in terms of structural, electrical, and magnetic properties. We found that Ti has a low solubility in the ZnO wurtzite structure. This favors stabilization of a large number of Zn vacancies, and theoretical calculations have shown that they can carry substantial magnetic moment. A carrier mediated exchange interaction between Zn vacancies is at the origin of the surprisingly high magnetic moment we measure in this compound.

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Ferromagnetism in Ti-doped ZnO thin films. / Shao, Q.; Wang, C.; Zapien, J. A. et al.
In: Journal of Applied Physics, Vol. 117, No. 17, 17B908, 07.05.2015.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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