Wu Z, Huang N, Liu Z, Wu J, Duan W, Gu B-L. Unusual vortex structure in ultrathin Pb (Zr0.5 Ti0.5) O3 films. Journal of Applied Physics. 2007;(1).

Lü R, Liu Z-R. Current and shot noise in a quantum dot coupled to ferromagnetic leads in the kondo regime. Chinese Physics Letters. 2007;(1):195-198.