%0 Journal Article %T Application of electron holography to the determination of contact potential difference in an AlGaN/AlN/Si heterostructure %A Tanaka,, Shigeyasu %A Naito,, Akiyuki %A Honda,, Yoshio %A Sawaki,, Nobuhiko %A Ichihashi,, Mikio %J Journal of Electron Microscopy %V 56 %N 2 %P 37-42 %@ 2050-5698 %D 2007-04-01 %I Oxford Academic %~ DeepDyve