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Observation of Room Temperature Ferromagnetism in InN Nanostructures

Roul, Basanta and Kumar, Mahesh and Bhat, Thirumaleshwara N and Rajpalke, Mohana K and Krupanidhi, SB and Kumar, Nitesh and Sundaresan, A (2015) Observation of Room Temperature Ferromagnetism in InN Nanostructures. In: JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 15 (6). pp. 4426-4430.

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Official URL: http://dx.doi.org/10.1166/jnn.2015.9719

Abstract

The room temperature ferromagnetic behavior of InN nanosfructures grown by molecular beam epitaxy (MBE) is explored by means of magnetization measurements. The saturation magnetization and remanent magnetization are found to be strongly dependent on the size of the nanostructures. This suggests that the ferromagnetism is essentially confined to the surface of the nanostructures due to the possible defects. Raman spectroscopy shows the existence of indium vacancies which could be the source of ferromagnetic ordering in InN nanostructures.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the AMER SCIENTIFIC PUBLISHERS, 26650 THE OLD RD, STE 208, VALENCIA, CA 91381-0751 USA
Keywords: InN; Nanostructures; Ferromagnetism; MBE
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Depositing User: Id for Latest eprints
Date Deposited: 14 Feb 2015 13:33
Last Modified: 14 Feb 2015 13:33
URI: http://eprints.iisc.ac.in/id/eprint/50807

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