Continuous and Localized Mn Implantation of ZnO

We present results derived from continuous and localized 35 keV 55 Mn + ion implantations into ZnO. Localized implantations were carried out by using self-ordered alumina membranes as masks leading to ordered arrays of implanted volumes on the substrate surfaces. Defects and vacancies in the small i...

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Bibliographic Details
Published in:Nanoscale research letters 2009-08, Vol.4 (8), p.878-887, Article 878
Main Authors: Sanz, R, Jensen, J, González-Díaz, G, Martínez, O, Vázquez, M, Hernández-Vélez, M
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Condensed matter physics
Defects and diffusion
Defekter och diffusion
Elementarpartikelfysik
Elementary particle physics
Fysik
Ion physics
Jonfysik
Kondenserade materiens fysik
Materials Science
Molecular Medicine
Nano Express
Nanochemistry
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
NATURAL SCIENCES
NATURVETENSKAP
Physics
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Summary:We present results derived from continuous and localized 35 keV 55 Mn + ion implantations into ZnO. Localized implantations were carried out by using self-ordered alumina membranes as masks leading to ordered arrays of implanted volumes on the substrate surfaces. Defects and vacancies in the small implantation volumes of ZnO were generated due to the implantation processes besides the creation of new phases. Rapid thermal annealing was applied in the case of continuous implantation. The samples were characterized by HRSEM, GIXRD, Raman spectroscopy and RBS/C. Magnetic characterization of the samples pointed out appreciable differences among the samples obtained by the different implantation methods. This fact was mainly attributed to the different volume/surface ratios present in the implanted zones as well as to the increase of Mn atom concentrations along the grain frontiers in the nanostructured surfaces. The samples also showed a ferromagnetic transition phase at temperature value higher than room temperature.
ISSN:1556-276X
1931-7573
1556-276X
DOI:10.1007/s11671-009-9327-5