The morphology and structural properties of InP thin films deposited by spray pyrolysis method
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InP film samples were prepared by spray pyrolysis technique using aqueous solutions of InCl3 and Na2HPO4, which were atomized with compressed air as carrier gas onto glass substrates at 500 degrees C with different thicknesses of the films. The structural properties of the samples have been determined by using X-ray diffraction (XRD). It was found that the crystal structure of the InP films is polycrystalline hexagonal. The orientations for all the obtained films are along the e-axis perpendicular to the substrate. It is observed that the crystallite sizes of the films increase with the thickness of the film up to 616 rim. The changes observed in the morphology and structural phases related to the film thickness have been discussed in detail. (C) 2007 Elsevier Ltd. All rights reserved.