TY - JOUR T1 - Double subband occupation of the two-dimensional electron gas in InxAl1-xN/AIN/GaN/AIN heterostructures with a low indium content (0.064<=x<=0.140) barrier A1 - Lisesivdin, S.B. A1 - Tasli, P. A1 - Kasap, M. A1 - Ozturk, M. A1 - Arslan, E. A1 - Ozcelik, S. A1 - Ozbay, E. JA - Thin Solid Films Y1 - 2010 VL - 518 SP - 5572 EP - 5575 ER -