M.H. Ehsani
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View article: Effect of substrate temperature on properties of WS2 thin films
Effect of substrate temperature on properties of WS2 thin films Open
The WS2 thin films were deposited on glass substrates with RF magnetron sputtering using a WS2 target to study the effect of substrate temperature (25, 100, 200, and 300 °C) on their properties. In this study, we investigated the morpholog…
View article: Sr-doping effects on piezoelectric and dielectric properties of lead-free barium titanate via molecular dynamics approach
Sr-doping effects on piezoelectric and dielectric properties of lead-free barium titanate via molecular dynamics approach Open
The study investigated the effects of Sr-doping on BaTiO₃ regarding the mean square displacement, diffusion coefficient, polarization-strain response, dielectric constant, and dielectric loss. Initially, increasing strontium doping up to 6…
View article: The investigation of piezoelectric features of lead-free barium titanate ceramic materials at different initial temperatures in the tetragonal phase using molecular dynamics simulation
The investigation of piezoelectric features of lead-free barium titanate ceramic materials at different initial temperatures in the tetragonal phase using molecular dynamics simulation Open
This study used molecular dynamics simulation to investigate how temperature changes the piezoelectric properties of crystal barium titanate in its tetragonal form. Consistent with the results, the oxygen diffusion coefficient in the simul…
View article: Photocatalytic activity and magnetic properties of Ba2FeMoO6 ferromagnetic double perovskite
Photocatalytic activity and magnetic properties of Ba2FeMoO6 ferromagnetic double perovskite Open
Ba2FeMoO6 samples were prepared using the sol-gel method without and using Cetyltrimethylammonium bromide (CTAB) to study their photocatalytic properties. The structural and morphological properties of the samples were characterized system…
View article: Oxygen doping effect on wettability of diamond-like carbon films
Oxygen doping effect on wettability of diamond-like carbon films Open
DLC films were deposited on Ge substrates using direct ion beam deposition method, followed by investigating the influence of O 2 doping on their morphological, electrical, and structural properties. The films were doped with oxygen under …
View article: An investigation on structural and optical properties of nanocolumnar ZnTe thin films grown by glancing angle technique
An investigation on structural and optical properties of nanocolumnar ZnTe thin films grown by glancing angle technique Open
In this paper, Zinc Telluride (ZnTe) thin films have been deposited on glass substrate by glancing angle deposition (GLAD) technique at different flux angles. The structural and optical properties of the prepared specimens have been studie…
View article: Theoretical and Experimental Investigation of Optical Properties of ZnS Zig-Zag Thin Films
Theoretical and Experimental Investigation of Optical Properties of ZnS Zig-Zag Thin Films Open
Zigzag ZnS thin films prepared by thermal evaporation method using glancing angle deposition (GLAD) technique. ZnS films with zigzag structure were produced at deposition angles of 0˚, 60˚ and 80˚ at room temperature on glass substrates. S…
View article: Thickness Dependence of Structural and Optical Properties of CdTe Films
Thickness Dependence of Structural and Optical Properties of CdTe Films Open
In this work, Cadmium Telluride (CdTe) thin films were deposited on glass substrates at room temperature by vacuum evaporation technique. The deposited CdTe thin films were characterized by X-ray diffraction, UV-Visible spectroscopy and Fi…
View article: Tunable Structural and Optical Properties of Cadmium Telluride (CdTe) thin Films with Substrate Temperature
Tunable Structural and Optical Properties of Cadmium Telluride (CdTe) thin Films with Substrate Temperature Open
In this work, in order to investigate the impact of substrate temperature on structural and optical properties of CdTe thin films, four specimens with different substrate temperatures (100, 200, 300 and 400 °C) were prepared. Structural an…
View article: An Investigation of Eddy Current, Solid Loss, Induced Voltage and Magnetic Torque in Highly Pure Thin Conductors, Using Finite Element Method
An Investigation of Eddy Current, Solid Loss, Induced Voltage and Magnetic Torque in Highly Pure Thin Conductors, Using Finite Element Method Open
In this paper, eddy current, induced voltage, solid loss and magnetic torque in circular thin conductors were systematically investigated using finite element method. Two-dimensional models were constructed using ANSYS MAXWELL to simulate …
View article: Fabrication of ZnS Zigzag Sculptured Nanostructured thin Films
Fabrication of ZnS Zigzag Sculptured Nanostructured thin Films Open
In This work, the design, manufacture and implementation of new attached equipment to the physical vapor deposition system was reported. Using this system ZnS films were prepared under glancing angle deposition (GLAD) technique with the he…