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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3992

Title: Evidence for surface states in pristine and Co-doped ZnO nanostructures: magnetization and nonlinear optical studies
Authors: Podila, Ramakrishna
Anand, Benoy
West, Palmer J.
Philip, Reji
and 6 co-authors
Issue Date: 4-Mar-2011
Publisher: IOP Publishing Ltd.
Citation: Nanotechnology, 2011, Vol.22, 095703
Abstract: An unexpected presence of ferromagnetic (FM) ordering in nanostructured ZnO has been reported previously. Recently, from our detailed magnetization studies and ab initio calculations, we attributed this FM ordering in nanostructured ZnO to the presence of surface states, and a direct correlation between the magnetic properties and crystallinity of ZnO was observed. In this study, through a systematic sample preparation of both pristine and Co-doped ZnO nanostructures, and detailed magnetization and nonlinear optical (NLO) measurements, we confirm that the observed FM ordering is due to the presence of surface states.
Description: Restricted Access.
URI: http://hdl.handle.net/2289/3992
ISSN: 0957-4484
1361-6528 (Online)
Alternative Location: http://dx.doi.org/10.1088/0957-4484/22/9/095703
Copyright: 2011 IOP Publishing Ltd.
Appears in Collections:Research Papers (LAMP)

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