Abstract
Cadmium oxide thin films were prepared by D.C magnetron plasma sputtering using different voltages (700, 800, 900, 1000, 1100 and 1200) Volt. The Cadmium oxide structural properties using XRD analysis for just a voltage of 1200 volt at room temperature after annealing in different temperatures (523 and 623) K were studied .The results show that the films prepared at room temperature have some peaks belong to cadmium element along the directions (002), (100), (102) and (103) while the other peaks along the directions of (111), (200) and (222) belong to cadmium oxide. Annealed samples display only cadmium oxide peaks. Also, the spectroscopic properties of plasma diagnostic for CdO thin films were determined and the results show that the electron temperature and electron density increase with increasing of sputtered voltage.
Highlights
In this work pure CdO thin films were prepared on glass by D.C magnetron sputtering technique and the spectroscopic spectrum and structural properties at different sputtered voltage were investigated
The XRD patterns shows polycrystalline structure with four peaks for cadmium element located at 2θ =31.8943°, 34.7262°, 47.8477° and 61.1580° matching with (002), (100), (102) and (103) directions in standard card No 96-901-2437 (JCPDS) and three peaks for cadmium oxide located at 2θ =32.8068, 38.3449 and 69.0560 matching with (111), (200) and (222) directions in standard card No 96-900-8610, and we can note through the data recorded in Table1 XRD peaks, standard and experimental dhkl, microstrains Υ for CdO, Cd films deposited by voltage (1200) Volt at room temperature
The cadmium oxide films prepared by D.C plasma magnetron sputtering with the voltage (1200) V, at the temperature of (523, 623) K, are polycrystalline and cubic type and the preferred orientation along (111) direction matching with standard card No 96-900-8610 (JCPDS).and the peaks for cadmium element hide due to annealing in oxygen and which regarded it one of method prepare cadmium oxide
Summary
Its thin films can be prepared by physical and chemical methods such as spray pyrolysis, DC sputtering, Sol-Gel and Chemical bath methods etc [1]. It can be obtained by heating cadmium with temperature less than its melting point [2]. The wide band gap properties of CdO thin films are of interest for applications such as solar cells and transparent electrodes [4]. These applications of CdO are based on its optical and electrical properties. In this work pure CdO thin films were prepared on glass by D.C magnetron sputtering technique and the spectroscopic spectrum and structural properties at different sputtered voltage were investigated
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