Akihiro Kushima,1 Sidney Yip,1,2 and Bilge Yildiz1,* 1Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA 2Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA Received 16 April 2010; revised manuscript rec...
