Systematic study of thermal stability of AlGaN/GaN two-dimensional electron gas structure with SiN surface passivation. - Kenji Shiojima; Suehiro Sugitani; Naoteru Shigekawa (IEICE Electron. Express, 2004)

Velocity dispersion in GaN-based surface acoustic wave filters on (0001) sapphire substrates. - Naoteru Shigekawa; Kazumi Nishimura; Haruki Yokoyama; Kenji Shiojima; Kohji Hohkawa (IEICE Electron. Express, 2005)

Simulation of Tunneling Contact Resistivity in Non-polar AlGaN/GaN Heterostructures. - Hironari Chikaoka; Yoichi Takakuwa; Kenji Shiojima; Masaaki Kuzuhara (IEICE Trans. Electron., 2009)