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Ferromagnetism in Mn-doped GaN nanocrystals prepared solvothermally at low temperatures

Biswas, Kanishka and Sardar, Kripasindhu and Rao, CNR (2006) Ferromagnetism in Mn-doped GaN nanocrystals prepared solvothermally at low temperatures. In: Applied Physics Letters, 89 (13). 2503 -2506.

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3% and 5% Mn-doped GaN nanocrystals of different sizes, with the average diameters in the range of 4-18 nm, have been prepared by two independent routes under solvothermal conditions starting with two different precursors. The reaction temperature was around 350 degrees C in all the preparations. The nanocrystals so prepared exhibit ferromagnetism with magnetization (M) and Curie temperature (T-C) values increasing with percent of Mn and particle size. The observation of ferromagnetism in Mn-doped GaN nanocrystals prepared at relatively low temperatures is of significance in understanding this potential in spintronics materials.

Item Type: Journal Article
Publication: Applied Physics Letters
Publisher: American Institute Of Physics
Additional Information: Copyright of this article belongs to American Institute Of Physics.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 24 Mar 2009 05:27
Last Modified: 19 Sep 2010 04:55
URI: http://eprints.iisc.ac.in/id/eprint/17208

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