TY - JOUR AU - Richard Silver AU - John Dagata AU - W. Tseng C2 - Applied Physics Letters DA - 1995-06-01 00:06:00 LA - en M1 - 13 PB - Applied Physics Letters PY - 1995 TI - Delineation of pn Junctions by Scanning Tunneling Microscopy/Spectroscopy in Air and Ultra High Vacuum ER -