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Articles by Haleh Kangarlou
Total Records ( 3 ) for Haleh Kangarlou
  Haleh Kangarlou and Saeid Rafizadeh
  Ti films of the same thickness and near normal deposition angle and the same deposition rate were deposited on glass substrates, at room temperature, under UHV conditions. Due to getting properties of Titanium atoms, they specially react with oxygen during evaporation and TixOy layers produced. Different annealing temperatures as 130 and 330 Celsius degree with uniform 9 cm3 sec-1 oxygen flow, were used for producing titanium di oxide layers. Their nano structures were determined by AFM and XRD methods. Roughness of the films changed due to annealing process. The getting property of Ti and annealing temperature, can play an important role on the nano-structure of the films.
  Haleh Kangarlou and Sakine Shirvaliloo
  Gold particles can be real jewels, specially at the nano size they are in great demand by scientists. A field that has showed fast growth over the past decades is the use of gold nanoparticles in biology, or life sciences. The aim of this work was to use, physical method to deposit gold nanoparticles as a protection layer on the fruits and vegetables. There is no any report about direct and physical vapor deposition on fruits and vegetables yet. Gold nanolayers of 40 nano meter thickness were coated on one side of apple, cucumber, lettuce and tomato, by Physical Vapor Deposition (PVD) method, in high vacuum condition at room temperature. Deposition angle of gold nanoparticles were vertical to all species. After coating we kept them in normal room temperature. Protection of gold nanolayers and time of these protections were investigated. Time length protection of gold nanoparticles has an increasing trend for apple, tomato, lettuce and cucumber.
  Haleh Kangarlou and Elham Soltanalizadeh
  Aluminum oxide thin films of 67 nm thickness at two different deposition angles of 20 and 50 degrees were deposited on glass substrates at room temperature, by using resistive evaporation method under Ultra High Vacuum (UHV) conditions. The structural details were determined by AFM and SEM methods. The optical spectra were measured by spectrophotometer in the spectral range of 300-1100 nm wave length (UV-Vis). The relation between nanostructures and optical properties with deposition angle were discussed.
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