Zinc Vacancy-Induced Room-Temperature Ferromagnetism in Undoped ZnO Thin Films

Zinc Vacancy-Induced Room-Temperature Ferromagnetism in Undoped ZnO Thin Films

Undoped ZnO thin films are prepared by polymer-assisted deposition (PAD) and treated by postannealing at different temperatures in oxygen or forming gases (95% Ar+5% H2). All the samples exhibit ferromagnetism at room temperature (RT). SQUID and positron annihilation measurements show that post-ann...

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Bibliographic Details
Main Authors:	Hongtao Ren, Gang Xiang, Gangxu Gu, Xi Zhang, Wenjun Wang, Peng Zhang, Baoyi Wang, Xingzhong Cao
Format:	Article
Language:	English
Published:	Hindawi Limited 2012-01-01
Series:	Journal of Nanomaterials
Online Access:	http://dx.doi.org/10.1155/2012/295358

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