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Makara Journal of Science

Journal

Annealing

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Effect Of Dry Oxidation And Thermal Annealing On Aln/Gan/Aln/Si (111) And Evaluation Of Its Electrical Characteristics, Mohd Zaki Mohd Yusoff, Azzafeerah Mahyuddin, Zainuriah Hasssan, ‪Muhammad Syarifuddin Yahya Dec 2021

Effect Of Dry Oxidation And Thermal Annealing On Aln/Gan/Aln/Si (111) And Evaluation Of Its Electrical Characteristics, Mohd Zaki Mohd Yusoff, Azzafeerah Mahyuddin, Zainuriah Hasssan, ‪Muhammad Syarifuddin Yahya

Makara Journal of Science

We proposed a technique for improving the platinum (Pt) Schottky contact dark current of the AlN/GaN/AlN/Si(111) substrate. The AlN/GaN/AlN/ heterostructure sample was successfully grown on a silicon substrate by radio frequency molecular beam epitaxy. The high quality of the interlayer heterostructure sample was verified by transmission electron microscopy (TEM). From the TEM image, a good quality single interface layer with spacing less than 1 nm was detected. The strong significant peaks obtained by X-ray diffraction measurement indicated that the sample has a high structural quality for each grown layer. Dry oxidation and thermal annealing were used in conjunction to effectively …