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  1. 2 Acta Physica Polonica A

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  1. 1 2017

  2. 1 2016

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  1. 2 Borghei S.

  2. 1 Bakhtiyari F.

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Investigation of the Properties of Molybdenum Nanocube Crystals Deposited by Dc Sputtering

100%
Borghei S.
Acta Physica Polonica A
|
2016
|
vol. 129
|
issue 4
607-609
EN
Cubic molybdenum (Mo) nanocubes were deposited on a silicon substrate via dc sputtering. This method has been widely used to prepare the thin films containing the crystalline nanostructures. We used this approach to deposition and after that, the characterization of Mo nanocubes. Formation of these cubes was investigated by atomic force microscopy, X-ray diffractometry and four point probes, respectively. First, the mean sizes of the molybdenum cubic nanoparticles were studied under different Mo film thicknesses of 50, 80, 110, and 140 nm. Structural characterizations indicate that the as-deposited Mo nanocubes have different side-length and their distribution over the surface has been measured, separately. In the next step, according to the X-ray diffractometry, Mo crystallites were all along the (110) crystal planes of cubic structure. Finally, electrical characterizations reported that at a deposition power of 54 W, our samples exhibit an electrical resistivity, in the range of 0.92×10¯⁴ Ω cm to 0.58×10¯⁴ Ω cm.
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Study of the Physical Properties of Cobalt/ Cobalt Oxide Particles Synthesized by Pulsed Laser Ablation in Different Liquid Media

63%
Borghei S., Bakhtiyari F.
Acta Physica Polonica A
|
2017
|
vol. 131
|
issue 3
332-335
EN
This work is devoted to the production of microparticles via pulsed laser ablation from a solid cobalt target immersed in three different solutions of distilled water as well as in ethanol and in acetone, to study the effect of liquid media on the physical properties and structure of particles. The samples were characterized using XRD, SEM and particle size analysis. More than simply Co particles have resulted in each three liquid media, CoO particles were produced only in acetone, whereas Co₃O₄ particles were predominantly produced in water and ethanol.
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