Browsing by Author "evan_tarq@yahoo.com"
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Electrical conductivity, mobility and carrier concentration in Nb2O5 films: effect of NH4OH molarity
Marwa, K. Abood; Evan, T. Salim; Jehan, A. Saimon; Aseel Abdulkreem Hadi (Universiti Malaysia Perlis (UniMAP), 2021-07)This work presents the effect of NH4OH molarities on the electrical characteristics of Nb2O5 films prepared using the precipitation method. Hall Effect measurements proved the formation of n-type Nb2O5 films. The carrier ... -
Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
Farhan, A. Mohamed; Azhar, I. Hassan; Evan T., Salim (Universiti Malaysia Perlis (UniMAP), 2022-10)Polycrystalline tungsten oxide (WO3) thin films were prepared using the spray pyrolysis method at various substrate temperatures (200, 250, 300, 350, and 400 °C) on the quartz substrate. The X-ray diffraction pattern showed ... -
Metal oxide nanoparticles suspension for optoelectronic devices fabrication
Salem, Evan T.; Fakhry, Makram A.; Hassen, Hala (Universiti Malaysia Perlis, 2013)In the present work, simple and single step method has been used to prepare metal oxide Nanoparticles suspension, this done by laser ablation of pure metal in liquid, While direct spraying of the prepared of the prepared ... -
Niobium Pentoxide Thin Film Prepared using Simple Colloidal Suspension for Optoelectronic Application
Abood, M. K.; Salim, E. T.; Saimon, J. A. (Universiti Malaysia Perlis (UniMAP), 2018-04)In this study, thin‐film microstructures of polymorphous niobium pentoxide were successfully prepared at a low temperature. Spin coating was employed to deposit the colloidal suspension before and after ultrasonic ... -
A preliminary study on structural and optical properties of heat treated NB2O5 nanostructure
Salim, Evan T.; Saimon, Jehan A.; Abood, Marwa K.; Alsultany, Forat H. (Universiti Malaysia Perlis (UniMAP), 2023-01)Annealing is a heat treatment that alters the physical and sometimes chemical properties of a material to improve their crystalline structure and other important properties. This work presents the effect of post heat ...