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Journal of Experimental and Theoretical NANOTECHNOLOGY

About the Journal :

Experimental and Theoretical NANOTECHNOLOGY (ETN) abbreviated as Exp. Theo. NANOTECHNOLOGY is a multidisciplinary peer-reviewed and open access journal. It includes specialized research papers, short communications, reviews and selected conference papers in special issues on the characterization, synthesis, processing, structure and properties of different principles and applications of nanotechnology with focus on advantageous achievements and applications for the specialists in engineering, chemistry, physics, materials science and medicine. ETN covers and publishes all aspects of fundamental and applied researches of experimental and theoretical nanoscale technology dealing with materials synthesis, processing, nanofabrication, nanoprobes, spectroscopy, properties, biological systems, nanostructures, nanoelectronics, nano-optics, nano-mechanics, nanodevices, nanobiotechnology, nanomedicine, nanotoxicology within the scope of the journal. ETN aims to acquire the recent and outstanding researches for the benefit of the human being.



SYNTHESIS AND CHARACTERIZATION OF GAN NANOCRYSTALLINE THIN FILMS ON VARIOUS SUBSTRATES BY RF MAGNETRON SPUTTERING


Gallium nitride (GaN) nanocrystalline (NC) thin films (TH) were deposited on different surfaces of material as substrates; quartz, glass as well as fluorine-doped tin oxide (FTO) using radio frequency (RF) reactive magnetron sputtering method. The effects of substrate type on structural and morphological properties of GaN-NCTH were studied. X-ray diffraction analyses and field-emission scanning electron microscopy (FESEM) images showed that the GaN particles have covered all surfaces of the substrates with a smooth arrangement. The root mean square (RMS) surface roughness was 30.8, 1.45 and 1.46 nm for the GaN-NCTH deposited on FTO, glass and quartz substrates, respectively. Based on the GaN-NCTH prepared onto glass substrate, the optical bandgap was calculated to be 3.38 eV.

Keywords: GaN nanocrystalline; RF sputtering; thin film; Epitaxial growth.