We have investigated correlation between magnetization and electronic structure in nano-rods. Rietveld analysis of XRD patterns confirms that Mn ions incorporate at the sites. SQUID measurements confirm that Mn doping induces room temperature ferromagnetism (RTFM) in nano-rods and the induced magnetization is an order of magnitude higher than that in the bulk . The XPS results show that Mn ions are in mixed valent state. Our findings show that bivalence of Mn ions and the oxygen vacancies are responsible for the observed RTFM.
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© 2013 AIP Publishing LLC.
2013
AIP Publishing LLC
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