Figure 3.

Bandgap and valence band offset of Y2O3 and interfacial layer. (a) Bandgap of Y2O3 and IL for the sample annealed in different ambients. (b) Valence band offset of Y2O3/GaN and IL/GaN as a function of post-deposition annealing ambient.

Quah and Cheong Nanoscale Research Letters 2013 8:53   doi:10.1186/1556-276X-8-53
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