Electron mobility in very low density GaN/AlGaN/GaN heterostructures

Electron mobility in very low density GaN/AlGaN/GaN heterostructures
M. J. Manfra, K. W. Baldwin, A. M. Sergent, R. J. Molnar, and J. Caissie.. Applied Physics Letters 85, 10 1722-1724 [PDF]