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1D Morphology Stabilization and Enhanced Magnetic Properties of Co: ZnO Nanostructures on Codoping with Li: A Template-Free Synthesis
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.ORCID iD: 0000-0002-9050-5445
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2009 (English)In: Crystal Growth & Design, ISSN 1528-7483, E-ISSN 1528-7505, Vol. 9, no 10, 4450-4455 p.Article in journal (Refereed) Published
Abstract [en]

ID natiostructures of Zn1-xCoxO (x = 0, 0.03 and 0.05) and Co and Li codoped ZnO (Zn0.85Li0.10Co0.05O) were prepared by a soft chemical method. We report a very interesting observation of morphological control and transformation of ZnO nanorods to spherical particles induced by Co substitution. It is also remarkable to note that the morphology completely reverts back to rod shape by Li incorporation. In addition to this unusual observation, the Li incorporation enhances the room-temperature ferromagnetic (RTFM) properties. These experimental observations are well-supported by theory work as well. These results are significant, as the I D RTFM will have implications in spintronic devices.

Place, publisher, year, edition, pages
2009. Vol. 9, no 10, 4450-4455 p.
Keyword [en]
pulsed-laser deposition, zinc-oxide nanowires, zno thin-films, doped, zno, temperature ferromagnetism, catalytic growth, co, spectroscopy, photoluminescence, semiconductors
URN: urn:nbn:se:kth:diva-18835DOI: 10.1021/cg900481mISI: 000270461400038ScopusID: 2-s2.0-70350218591OAI: diva2:336882
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-09Bibliographically approved

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