This work is focused on the evaluation of different Ga(III)
precursor (conventional acetylacetonates, malonates and amides)
for the MOCVD of Ga2O3 thin films. In particular, the attention is
devoted to a thorough comparison of the precursor qualifying
properties (volatility, thermal stability under the vaporization
conditions) and their interrelations with the features of the obtained
deposits. Samples were grown by thermal CVD and characterized
by means of a multi-technique approach (X-ray diffraction {XRD},
scanning electron microscopy {SEM}, atomic force microscopy
{AFM}, energy dispersive X-ray spectroscopy {EDXS}, X-ray
photoelectron spectroscopy {XPS}, Rutherford backscattering
spectrometry {RBS}, spectroscopic ellipsometry {SE}) to
elucidate their microstructure, morphology and chemical
composition, as well as their mutual interrelations with the
synthesis conditions
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