Dr. JiangYong Wang received his Ph.D degree on the subject of surface science in 1997 at the University of the Free State in South Africa. From 1998 to 2000, he worked as a research associate at the Physics Department of Kansas State University in USA. In 2001, he joined the Max Plank Institute for Metals Research as a senior scientist in Germany. Since 2009, he is a full professor at the Physics Department of Shantou University in China. He has published two book chapters and more than 170 papers (~120 SCI papers), including Nat. Comm., PRL, Adv. Mater., Acta Mater., PRB, APL. His scientific interests focus on quantification of sputter depth profiling, diffusion, segregation and phase transformation in thin films.