Effect of sapphire nitridation and group-III source flow rate ratio on In-incorporation into InGaN grown by metalorganic vapor phase epitaxy.
In-composition of N-polar InGaN films on the sapphire substrate with the surface nitridation was investigated. By varying the ratio of the group-III source flow rate from 0.7 to 0.95, the In-composition and the surface morphologies of InGaN films were changed. The In-composition of N-polar InGaN films was affected by the strain relaxation and the surface morphologies.
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JH
Choi
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K
Shojiki
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T
Tanikawa
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T
Hanada
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R
Katayama
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T
Matsuoka