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u-GaN


n-GaN : Si


p-GaN : Mg


AlGaN


Average peak wavelength deviation ¡Â ¡¾ 3nm

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Average peak wavelength deviation ¡Â ¡¾ 3nm


Blue emission
Wavelength Std. Dev ¡Â 3nm for Blue(470nm)
Green emission
Wavelength Std. Dev ¡Â 5nm for Green(510nm)


Al Mole Fraction ¡Ã 40% (Crack free surface morphology)

DCXRD
PL Mapping Data

PL Spectra
AFM Image


GaN on Si(111) Wafer
Crack free surface morphology

Surface Image on 2¡± Si Wafer
PL Mapping Data

 
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