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Mn behaviors in Mn-implanted ZnO

✍ Scribed by Y. Wang; J. Zou; Y.J. Li; B. Zhang; W. Lu

Book ID
103998780
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
969 KB
Volume
57
Category
Article
ISSN
1359-6454

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✦ Synopsis

The behavior of Mn when doped into ZnO by ion implantation was investigated by scanning transmission electron microscopy, electron energy loss spectroscopy and energy dispersive X-ray spectroscopy. Unlike the previously reported case of Co/Ni-implanted ZnO (where Co/Ni nanocrystals were observed), Mn implantation has been found to induce an O deficiency in ZnO, which results in the formation of hexagonal Zn nanocrystals when the implantation dose is sufficient. Further annealing of the high-dose Mn-implanted ZnO promotes the formation of ZnMn 2 O 4 compounds near the surface and a porous structure within the implanted region. The fundamental reasons behind these physical phenomena are discussed.

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