Researcher Tamara Yaqoub Abed, physics student at the Arab American University Faculty of Graduate Studies, defended her thesis entitled “Effects of Cultivating Ytterbium // Flakes on the Physical Properties of Cadmium Sulfide Chips”.
The researcher discovered the effects of coating 70-nanometer Terbium film between two layers of cadmium sulfide on structural, optical and electrical properties. X-ray diffraction, electronic microscopy scanning, X-ray dispersion, class analysis and electro-thermal technology were used to study these effects. Pointing, coating Terbium fill with two layers of 500-nanometer cadmium sulfide enhances the structural nature of the films without altering their structural constants.
Researchher Qutaiba Abdullhadi Al-Karam, physics student at the Arab American University Faculty of Graduate Studies, defended his master thesis titled “Resistance Spectrum, Structural Properties and Depending on Composite Ceramics Temperature”.
In his thesis, he explored some of the bismuth zinc niobium oxide ceramic composed with lanthanum characteristics, due to its famous high insulation application. Lanthanum concentration was changed in the range x =0.10 – x =0.22. X-ray diffraction analysis showed that ceramics grow individually from 33 – 57 nm when lanthanum concentration increases from 0.10 – 0.20.
Researcher Maysam Mohammed Abdullah, physics student at the Arab American University Faculty of Graduate Studies, discussed her thesis for the Master degree titled “Optical and Electrical Dynamics of ZnS / Ge / GaSe Thin Chips”.
In her thesis, she addressed the ZnS/Ge/GaSe chips design
The spectroscopy of ZnS/Ge/GaSe layers was studied by electronic microscopy, x-ray dispersion spectroscopy, X-ray diffraction, spectrophotometer and impedance spectrum. The researcher also diagnosed the voltage and current curves under tungsten light on the GaSe layer surface from the top. She noted during her study that the ZnS layer is the only crystallized layer and that the other layers are randomly structured.
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