List	Title	Author	Conference	Country	Date
1	The Interface Effect on the Positive Magnetoresistance in the Heterostructure Fabricated by Laser-MBE	K.J.Jin, H.B.Lu, M.He, Y.L.Zhou, and G.Z.Yang	International Symposium on the Recent Progress in Optical Spectroscopy and Its Applications	China.HongKong	May 7-9, 2007
2	Electrical-modulated Magnetoresistance in Perovskite Oxide p-n Heterostructures	H.B.Lu, K.J.Jin, K.Zhao, M.He, Y.H.Huang,  Z.H.Chen, Y.L.Zhou, and G.Z.Yang	International Conference on Electroceramics	Tanzania	July 31-August 3.2007