Table 1

Comparison of the obtained ΔEcand ΦBvalues
XPS: conduction band offset J-E
Y2O3/GaN IL/GaN Y2O3/IL Barrier height
O2 3.00 3.77 0.77 3.72
Ar 1.55 1.40 0.15 1.58
FG 0.99 0.68 0.31 0.92
N2 0.70 −2.03 2.73 a

aNot influenced by FN tunneling. Therefore, barrier height is not extracted from the FN tunneling model.

Quah and Cheong

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

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