Competing strain effects in reactivity of LaCoO 3 with oxygen

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 received 5 August 2010; published 17 September 2010