Rastogi A, Kushwaha A K, Shiyani T, Gangawar A, Budhani R C
Condensed Matter - Low Dimensional Systems Laboratory, Department of Physics, Indian Institute of Technology Kanpur, Kanpur - 208016, India.
Adv Mater. 2010 Oct 25;22(40):4448-51. doi: 10.1002/adma.201001980.