The effect of gamma radiation on some physical properties of (MoO3)1-X(WO3)X thin films
Researcher name: Mustafa Kareem Hanoon
Thesis Title “The effect of gamma radiation on some physical properties of (MoO3)1-X(WO3)X thin films”.
Signature:
Name: Dr. Eman M. Nasir
Title: Assistant Professor
Abstract
This work is concerned with making a comparison of the effect of changing x content and gamma (γ) irradiation (5KGy) by two metal oxide named molybdenum oxide and tungsten oxide (MoO3)1-x-(WO3)x. Various compounds were synthesized from (MoO3)1-x-(WO3)x with different x content (0, 0.25, 0.5, 0.75 and 1). The materials were mixed and put in an evacuated quartz ampule then the ampule was sealed and heated for five hours at a temperature of 1173K. Thin films of (MoO3)1-x-(WO3)x compound have been prepared under vacuum by Pulse laser deposition technique with thickness of about 600 nm on glass and silicon wafer with (111) orientation (p-type). This study explained the most properties of (MoO3)1-x-(WO3)x thin films with different x content before and after gamma (γ) irradiation which imply structural, optical, electrical and finally synthesis heterojunction. To investigate these properties, many techniques where employed such as x-ray diffraction, fourier transformed infrared spectroscopy (FTIR), atomic force microscope (AFM), scanning electron microscopy (SEM), UV-spectroscopy, hall effect , D.C measurement and I-V Characteristics.
A master’s thesis is discussed in College of science, University of Baghdad, about the biostratigraphy and depositional environmental of Yamama formation in Faihaa oil field southern Iraq
In the College of science, University of Baghdad, a master’s thesis was discussed, tagged “Biostratigraphy and Depositional Environmental of Yamama Formation in Faihaa Oil Field Southern Iraq” by the research student Maryam Mohammad Taha and presented to the Geology Department under the supervision by Dr. Salam I.
