Molecular beam epitaxy is used to grow N-polar InAlN-barrier high-electron-mobility transistors (HEMTs). Control of the wafer preparation, layer growth conditions and epitaxial structure results in smooth, compositionally homogeneous InAlN layers and HEMTs with mobility as high as 1,750 cm2/V∙sec.
Hardy, M. T., Storm, D. F., Katzer, D. S., Downey, B. P., Nepal, N., Meyer, D. J. Plasma-assisted Molecular Beam Epitaxy of N-polar InAlN-barrier High-electron-mobility Transistors. J. Vis. Exp. (117), e54775, doi:10.3791/54775 (2016).