Some structural properties studying of porous silicon preparing by photochemical etching

Nathera Ali

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Publication Date

Wed Feb 01 2012

Journal Name

International Review Of Physics (e-journal) (irephy)

Volume

Vol. 6

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Some structural properties studying of porous silicon preparing by photochemical etching

Keyword: porous silicon

photochemical process

porosity

structural properties

Nathera Ali

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Publication Date

Wed Feb 02 2022

Journal Name

Journal Of Physics: Conference Series

Studying the parameters effect of the sputtering yield for polypropylene bombarding by ions of atmospheric background gases

Hussein

Enas

Mustafa

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Publication Date

Sun Sep 01 2013

Journal Name

Baghdad Science Journal

Comparing Study of The Stability and spectral properties vibrations for some Tellurium (IV) compounds containing cycloctadienyl group by Quantum Mechanical Calculations

Tellurium

vibrational spectra

DFT

stability

Manal Obaid

Abdel-Amir M.

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Density Functional Theory (DFT) with B3LYP hybrid exchange-correlation functional and 3-21G basis set and semi-empirical methods (PM3) were used to calculate the energies (total energy, binding energy (Eb), molecular orbital energy (EHOMO-ELUMO), heat of formation (?Hf)) and vibrational spectra for some Tellurium (IV) compounds containing cycloctadienyl group which can use as ligands with some transition metals or essential metals of periodic table at optimized geometrical structures.

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Publication Date

Sun Mar 03 2019

Journal Name

Diyala Journal For Pure Scince

Study influence of thickness and electrode mater on some electrical properties for ZnSe thin films prepared by thermal evaporation in vacuum

Semiconductors

ZnSe

Thin films

Electrode

Conductivity

Current

Voltage

Abdullah

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Thin films of Zinc Selenide ZnSe have been prepared by using thermal evaporation in vacuum technique (10-5Torr) with thickness (1000, 2700, 4000) A0 and change electrode material and deposited on glass substrates with temperature (373K) and study some electrical properties at this temperature . The graphs shows linear relation between current and voltage and the results have shown increases in the value of current and electrical conductivity with increase thickness and change electrode material from Aluminum to Copper

Publication Date

Sun Mar 01 2020

Journal Name

Iop Conference Series: Materials Science And Engineering

The Influence of x ratio and Annealing Temperatures on Structural and Optical Properties for (CuO)x(ZnO)1-x Composite Thin Films Prepared by PLD

E M

M F A

A N

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AbstractThin films of (CuO)x(ZnO)1-x composite were prepared by pulsed laser deposition technique and x ratio of 0≤ x ≤ 0.8 on clean corning glass substrate at room temperatures (RT) and annealed at 373 and 473K. The X-ray diffraction (XRD) analysis indicated that all prepared films have polycrystalline nature and the phase change from ZnO hexagonal wurtzite to CuO monoclinic structure with increasing x ratio. The deposited films were optically characterized by UV-VIS spectroscopy. The optical measurements showed that (CuO)x(ZnO)1-x films have direct energy gap. The energy band gaps of prepared thin films ... Show More

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(5)

Publication Date

Sat Apr 01 2023

Journal Name

Physics Of Atomic Nuclei

Differences in Ground State Properties of Some Mirror Nuclei

Ruqaya A.

Wasan Z.

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(2)

Publication Date

Mon Jun 01 2020

Journal Name

Iraqi Journal Of Physics

Prospect of CW Raman Laser in Silicon- on- Insulator Nano-Waveguides

Silicon (Si) photonics

Raman effect and photonic integrated circuits (P-ICs)

zainab salam

Sh. S.

S. Kh.

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Numerical analysis predicts that continuous-wave (CW) Raman lasing is possible in Silicon-On-insulator (SOI) nano-waveguides, despite of presence of free carrier absorption. The scope of this paper lies on lasers for communication systems around 1550 nm wavelength. Two types of waveguide structures Strip and Rib waveguides have been incorporated. The waveguide structures have designed to be 220 nm in height. Three different widths of (350, 450, 1000) nm were studied. The dependence of lasing of the SOI Raman laser on effective carrier lifetime was discussed, produced by tow photon absorption. At telecommunication wavelength of 1550 nm, Raman lasing threshold was calculated to be 1.7 mW in Rib SOI waveguide with dimen

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(1)

Publication Date

Fri Jul 01 2022

Journal Name

Iop Conference Series: Earth And Environmental Science

Studying Some Technical Indicators of the Local Manufactured Machine and Its Effect on the Wheat Crop “Tamuz cultivar”

Hussein A.

Kasem M.

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AbstractThe effect of compound machine on wheat "Tamuz cultivar" was studied based on some technical indicators which were tested under three practical speed (PS) of 2.015, 3.143, and 4.216 km.hr-1 and three tillage depth (TD) of 11, 13, and 15cm. The split-split plot arrangement in RCBD with three replications was used. The results showed that the PS of 2.015km.hr-1 was major best than other two speed in all studied conditions, physical properties (SBD and TSP), mechanical parameters (FD, (DP and LAS), and yield and growth parameters (PVI, BY and HI). The TD of 11cm was major effect to the other two levels TD of 13 and TD of 15cm in all studied conditions. All interactions were significant, ... Show More

(7)

Publication Date

Sat Oct 19 2024

Journal Name

Baghdad Science Journal

Synthesis, Characterization and Studying Thermal Analysis for Complexes of Some Metal Ions and Determining Their Activity as Antioxidants

Rasha

Abbas

Emran

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وفقأ للدراسات السابقة تم تحضير ليكاند آزو جديد (ن-(3-اسيتايل-2-هيدروكسي-5-مثيل-فنيل)ن-(4-كاربوكسي-سايكلوهكسيل مثيل)-ملح الدايازونيوم) وبعد التحقق من الصيغة المقترحة وفق نتائج التحاليل وبعد استخدام الليكاند لتحضير سلسلة ن المعقدات باستخدام نسب مولية متساوية (1:1) من الليكاند وتفاعلها مع كل من املاح المنغنيز والكوبلت والنيكل والنحاس والخارصين وبعد التحقق وفق تقنيات التحاليل الطيفية والتشخيصية(الاشعة فوق البنف

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Publication Date

Wed Mar 05 2025

Journal Name

Bulletin Of The Chemical Society Of Ethiopia

Synthesizing, characterization of some metal ion complexes with new azo dye and studying antioxidant and anticancer (MCF-7)

Noor

Abbas

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This new azo dye 7-(3-hydroxy-phenylazo)-quinoline-8-ol was subsequently used to prepare a series of complexes with the chlorides of Fe, Co, Zn, Ru, Rh and Cd. The compounds identified by 1H and 13C-NMR, FT-IR, UV-Vis, mass spectroscopy, as well as TGA, DSC, and C.H.N., conductivity, magnetic susceptibility, metal and chlorine content. The results showed that the ligand behaves in a trigonal behavior, and that the complexes gave tetrahedral, except for Fe, Ru and Rh octahedral was given, that all of them are non-electrolytes. The effectiveness of both the compounds in inhibiting free radicals was evaluated by the ability to act as an antioxidant was measured using DPPH as a free radical and gallic acid as a standard substance, the

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(2)

(1)

Publication Date

Fri Jul 01 2022

Journal Name

Iop Conference Series: Earth And Environmental Science

Studying Some Technical Indicators of the Local Manufactured Machine and Its Effect on the Wheat Crop “Tamuz cultivar”

Hussein A.

Kasem M.

...Show More Authors

AbstractThe effect of compound machine on wheat "Tamuz cultivar" was studied based on some technical indicators which were tested under three practical speed (PS) of 2.015, 3.143, and 4.216 km.hr-1 and three tillage depth (TD) of 11, 13, and 15cm. The split-split plot arrangement in RCBD with three replications was used. The results showed that the PS of 2.015km.hr-1 was major best than other two speed in all studied conditions, physical properties (SBD and TSP), mechanical parameters (FD, (DP and LAS), and yield and growth parameters (PVI, BY and HI). The TD of 11cm was major effect to the other two levels TD of 13 and TD of 15cm in all studied conditions. All interactions were significant, ... Show More

View Publication

(7)

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