TY - CONF AU - Park, Seong-Eun AU - Kopanski, Joseph AU - Kang, Youn-Seon AU - Robins, Larry AU - Shin, Hyun-Keel C2 - MRS Electronic Proceedings, Boston, MA, USA DA - 2005-03-24 00:03:00 LA - en PB - MRS Electronic Proceedings, Boston, MA, USA PY - 2005 TI - Determination of surface barrier height and surface state density in GaN films grown on sapphire substrates ER -