Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34745
Title: Chemical states and ferromagnetism in heavily Mn-substituted zinc oxide thin films
Authors: Shao, Q
Ku, PS
Wang, XL
Zapien, JA
Leung, CW 
Borgatti, F
Gambardella, A
Dediu, V
Ciprian, R
Ruotolo, A
Issue Date: 2014
Publisher: AIP Publishing
Source: Journal of applied physics, 2014, v. 115, no. 15, p. 153902-1-153902-5 How to cite?
Journal: Journal of applied physics
Abstract: A concentration of Manganese as high as 8% was successfully diluted into Zinc Oxide epitaxial films deposited by pulsed laser deposition. The films showed strong ferromagnetism with a large coercivity. Low temperature X-ray absorption spectroscopy measurements indicated that all the Manganese ions substitute for Zinc sites of the wurtzite lattice in the valency of +2. Photoluminescence measurements excluded the presence of Zinc vacancies, as well as Zn interstitials. All the magnetic moments measured were to ascribe to the formation of bound magnetic polarons, with no other contribution due to Manganese-secondary phases or Zinc vacancy-mediated double exchange interaction.
URI: http://hdl.handle.net/10397/34745
ISSN: 0021-8979 (print)
1089-7550 (electronic)
DOI: 10.1063/1.4871759
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