linyen@umich.edu Dr. Yen-Hsiang Lin received his B.S. degree in Physics from National Taiwan University and his Ph.D. degree in Physics from University of Minnesota. As a research fellow in Professor R.S. Goldman’s group, his research involved characterizing various types of semiconductor materials by using scanning tunneling microscope (STM), scanning tunneling spectroscopy (STS), and scanning thermoelectric microscope (SThEM).  He is currently a research fellow at the University of Maryland.