22/07/2017
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Engineering and Science>Metal Processing>
Magnetic and Semi-conductive Nanostructures
Study of nanostructures is on the fields of
  • Dimentionless semi conductive & magnetic; (nanoparticles)
  • One and multidimensional semi conductive & magnetic; (nanotubes, nanowires, nanorod)

 

Patents :
1- Chemical synthesis of Cobalt nanoparticles by reduction method in ethanol environment.
2- Synthesis of ferric oxide  in nanoparticle dimensiones by hydrothrmal method.
3- Synthesis of cobalt nanoparticles and control of it's size by radiolysis method.
4-Synthesis of ferric oxide-cobalt nanoparticles by chemical method in water environment.
 
Research Projects:  
 
1-Construction and characteristic of optical and electrical properties of ZnO nanostructures produced by sputtering.   
Size nanorod= 70-150 nm, nanowire= 20-100 nm. tube like
Size nanoparticle= 50-150 nm. spherical
contain semi conductive properties
Types of analysis: TEM, SEM, XRD and PL
Types of analysis: XRD, FESEM
 

 

 TEM photomicrograph of ZnO synthesized in 60 C
 
Microstructures of ZnO synthesized by RF sputtering reactive on Si substrate 
  

TEM micrograph of ZnO nanowire with 19 nm diameter

2-Compilation science of production magnetic nanoparticles in pilot
size(phase I) gamma-ferric oxide, cobalt.   
 
Size = 5-50 nm, γ phase, spherical, with equal morphology, contain effective magnetic properties

 Types of analysis: TEM, SEM, AFM


 
Nanoparticles of gamma-FeO in magnetic center after drying
 
Structure of gamma- Fe

3-
Achievement to the technology of synthesis of one dimensional Tellurium nanostructures on suitable substrate.
 
        Nanotube: ≤ 100 nm, hexagonal crystals, contain semi conductive properties
Nanowire: 50-80 nm, rod shape, contain semi conductive properties
 
SEM photomicrograph of monodimentional microstructure of Tellurium
4-  Synthesis of Cobalt polyaniline and Cobalt nano particles by chemical methods.
   Size= 25-50 nm, spherical, contain effective magnetic properties.

    Types of analysis: TEM, SEM, AFM.

 5-  Preparation of Ferric-Cobalt oxide nanoparticles in laboratory an study their morphology.
   Size= 20-50 nm, spherical, contain effective magnetic properties.

    Types of analysis: TEM, SEM, AFM.

  SEM photomicrograph of CoFe2O4 nanoparticles. size of particles are less than 25 nm.
 
 Papers:
 
1- The technology of constructing of cylindrical photoreceptor.
 
2- The Study of Photorefractive Wave mixing and Energy Transfer Characteristics.
 
3- Self fields in a planar wiggler and axial magnetic field.
 
4-  Electron trajectories and gain for an electromagnetic wiggler with ion- channel guiding.
 
5-  Consideration of development field versus photoconductor layer’s thickness.
 
6- Bioelectrocatalysis of Methyldopa by Adsorbed Tyrosinase on the Surface of Modified Glasy Carbon with Carbon Nanotubes.
 
7- Bioelectrocatalysis of Dopamine Using Adsorbed Tyrosinase on Single-Walled Carbon Nanotubes.
 
8- Synthesis of ZnO Nanoparticles and Electrodeposition of Polypyrrole/ZnO Nanocomposite Film.
 
9- Dual behavior of sodium dodecyl sulfate as enhancer or suppressor of insulin aggregation and chaperone-like activity of camel αS1-casein.
 
10- Effect of salts and sodium dodecyl sulfate on chaperone activity of camel αS1-CN:Insulin as the target protein. Colloids and Surfaces B.
 
11- Synthesis of nickel oxides nanoparticles on glassy carbon as an electron transfer facilitator for horseradish peroxidase: Direct electron transfer and H2O2 determination.
 
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Research Institute of Applied Sciences
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