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Preparation of InN by Means of AP-HCVD Using In Buffer Layers

Published online by Cambridge University Press:  01 February 2011

Hiroaki Yokoo ,
Naoki Wakiya ,
Naonori Sakamoto ,
Takato Nakamura  and
Hisao Suzuki
Hiroaki Yokoo
Affiliation:
h_yokoo1201@yahoo.co.jp, Shizuoka University, material science and chemical engineering, 3-5-1 nakaku jouhoku, hamamatu, 4328003, Japan
Naoki Wakiya
Affiliation:
tnwakiy@ipc.shizuoka.ac.jp, Shizuoka University, Material Science and Chemical Engineering, 3-5-1 Jouhoku, Hamamatu, 4328003, Japan
Naonori Sakamoto
Affiliation:
tnsakam@ipc.shizuoka.ac.jp, Shizuoka University, Material Science and Chemical Engineering, 3-5-1 Jouhoku, Hamamatu, 4328003, Japan
Takato Nakamura
Affiliation:
nakam-ta@adb.shizuoka.ac.jp, Shizuoka University, Material Science and Chemical Engineering, 3-5-1 Jouhoku, Hamamatu, 4328003, Japan
Hisao Suzuki
Affiliation:
tchsuzu@ipc.shizuoka.ac.jp, Shizuoka University, Material Science and Chemical Engineering, 3-5-1 Jouhoku, Hamamatu, 4328003, Japan
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Abstract

We have grown indium nitride (InN) films using In buffer layer on an a-plane sapphire substrate under atmospheric pressure by halide CVD (AP-HCVD). Growth was carried out by two steps: deposition In buffer layer at 900 °C and subsequent growth of InN layer at 650 °C. In order to compare, we also grown InN films on an a-plane sapphire. The InN films are investigated on crystal quality, surface morphology and electrical property using high-resolution X-ray diffraction (HR-XRD), X-ray pole figure,scanning electron microscope (SEM), Hall measurement. The results show that the crystal quality, surface morphology and electrical property of InN films are improved by using In buffer layer.

Keywords

nitridechemical vapor deposition (CVD) (deposition)In

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1040: Symposium Q – Nitrides and Related Bulk Materials , 2007 , 1040-Q09-32
Copyright
Copyright © Materials Research Society 2008

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References

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