TY - JOUR T1 - Frequency and temperature dependence of the dielectric and AC electrical conductivity in (Ni/Au)/AlGaN/AIN/GaN heterostructures A1 - Arslan, E. A1 - Safak, Y. A1 - Tascioglu, I. A1 - Uslu, H. A1 - Ozbay, E. JA - Microelectronic Engineering Y1 - 2010 VL - 87 SP - 1997 EP - 2001 ER -