Dr. Song Xu is senior application scientist of Keysight Technologies. He began his undergraduate studies in chemistry at the University of Science and Technology of China and received his Ph.D. in chemistry from the Wayne State University in Detroit, Michigan in 1999. He then joined Molecular Imaging Corporation as Application Scientist. Later as Molecular Imaging becomes part of Agilent Technologies, He remained as Application Scientist since. Dr. Xu’s research expertise focus in various in-situ AFM observation of surface chemistry, physics and biological reactions. He has many publications covers the area of molecular self-assembly, nano-lithography and morphological study of starch under humidity and iodine exposure, polymer morphology under organic solvent vapor exposure and many other fields.