D.  Phase, Choudhary, R. Janay, Ganesan, V., V. Reddy, R., Gupta, A., Selvi, N., Kulkarni, S., and Ogale, S., ?Manipulation of magnetic nanostructures through low temperature metal-oxygen chemistry: Co/CoO exchange biased nanodonuts and Co nanotips?, Solid State Communications, vol. 149, no. 7-8, pp. 277-280, 2009.