Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Nasser Shahtahmasebi"'
Publikováno v:
Nanomedicine Research Journal, Vol 4, Iss 1, Pp 35-39 (2019)
In this paper, SnO2 and SnS2 thin films were prepared by spray pyrolysis technique on glass substrate. The prepared films were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Aspergillus niger (A. Niger) fungi were gr
Externí odkaz:
https://doaj.org/article/1fed7653d2af4e1790737c6b531dfb7f
Publikováno v:
Nanomedicine Journal, Vol 1, Iss 4, Pp 238-247 (2014)
Abstract Objective(s): This paper describes synthesizing of magnetic nanocomposite with co-precipitation method. Materials and Methods: Magnetic ZnxFe3-xO4 nanoparticles with 0-14% zinc doping (x=0, 0.025, 0.05, 0.075, 0.1 and 0.125) were successfull
Externí odkaz:
https://doaj.org/article/84f8b203db404bb680732cbb3dffe1bf
Publikováno v:
Journal of Magnetism and Magnetic Materials. 475:205-210
The spin filtering ability of lead/poly-BIPO/lead model junction is investigated. A polaron excitation is considered at the center of polymer. Four polaron types are assumed as the spin and charge density distributions. The Su-Schrieffer-Heeger (SSH)
Publikováno v:
Computational and Theoretical Chemistry. 1151:31-35
In this work, the electronic structure and optical properties of two-layered hydrogenated GaN were investigated. The results were obtained via first principle calculations based on density functional theory (DFT) using GW approximation and two partic
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 93:234-237
First principle calculations based on density functional theory using GW approximation and two particle Bethe–Salpeter equation with electron-hole effect were performed to investigate electronic structure and optical properties of two-layered hydro
Publikováno v:
Scientia Iranica. 24:1717-1723
In this paper, zinc oxide (ZnO), copper oxide (CuO), and titanium oxide (TiO2) nanoparticles were prepared using sol-gel method. The structural properties of these nanoparticles were characterized using X-Ray Di raction (XRD) and Transmission Electro
Autor:
M. Yeganeh, Nasser Shahtahmasebi, Masoud Karimipour, Lidija Šiller, Ahmad Kompany, F. S. Razavi, N. H. S. Nasralla
Publikováno v:
Physica B: Condensed Matter. 511:89-98
In this work Fe doped TiO2 nanoparticles were synthesized at different Fe/Ti molar ratio from 1% to 5% by sol-gel technique. The post annealing of the samples was carried out at T=400, 600, and 800 °C. HRTEM of the samples revealed that the mean siz
Publikováno v:
Journal of Magnetism and Magnetic Materials. 420:56-61
An ab-initio study on the spin-polarized transport properties of H-passivated Fe-doped graphyne nanoribbons is presented. All the calculations were based on density functional theory (DFT). Doping single magnetic atom on graphyne nanoribbons leads to
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 60:125-130
Rhenium, a valuable and rare metal, is a byproduct of Molybdenum. It is usually produced through the dust and smoke of roasting Molybdenum concentration. Heat roasting is the traditional method of producing Molybdenum from sulphuric resources (Molybd
Publikováno v:
Communications in Theoretical Physics. 66:143-148
In present paper, the non-equilibrium Green function (NEGF) method along with the density functional theory (DFT) are used to investigate the effect of width on transport and electronic properties of armchair graphyne (γ-graphyne) nanoribbons. The r