Abstract
In this letter, we report the band offset characterization of the atomic layer deposited aluminum oxide on non-polar m-plane indium nitride grown by plasma-assisted molecular beam epitaxy by using x-ray photoelectron spectroscopy. The valence band offset between aluminum oxide and m-plane indium nitride was determined to be 2.83 eV. The Fermi level of indium nitride was 0.63 eV above valence band maximum, indicated a reduced band bending in comparison to polar indium nitride. The band gap of aluminum oxide was found to be to 6.7 eV, which gave a conduction band offset of 3.17 eV.
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Jia, Y., Wallace, J.S., Qin, Y. et al. Band Offset Characterization of the Atomic Layer Deposited Aluminum Oxide on m-Plane Indium Nitride. J. Electron. Mater. 45, 2013–2018 (2016). https://doi.org/10.1007/s11664-015-4175-9
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DOI: https://doi.org/10.1007/s11664-015-4175-9