Mukhlis M Ismail

Mukhlis M Ismail
University of Technology - Iraq · Department of Applied Sciences

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85
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776
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May 2002 - present
University of Technology - Iraq
Position
  • Professor

Publications

Publications (85)
Conference Paper
Abstract. The toluene solvent was used to form viscous polystyrene resin in different ratio and the effect of these ratios on mechanical properties of final products was determined. The FTIR spectrum was used to identify the functional groups in the substance and comprehend how the addition of toluene alters polystyrene. As the solubility ratios va...
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Perovskite-based DSSCs were manufactured using Sodium bismuth titanate (NBT) as a photoanode and their performance was extended studied by doping NBT perovskite with iron. The hydrothermal method was used to prepare pure NBT, and iron-doped NBT perovskite, which was deposited by spin coating on titanium oxide films previously prepared by screen pri...
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Tin oxide (SnO[Formula: see text] nanostructure thin film was synthesized on glass and FTO glass substrates at 450 ∘ C with flow rates of Argon and oxygen (8[Formula: see text]L/h) using the atmospheric pressure chemical vapor deposition (APCVD) method. The surface morphology, structure and optical properties of SnO2 film were depicted by Field Emi...
Article
The current work concerns preparing cobalt manganese ferrite (Co 0.2 Mn 0.8 Fe 2 O 4 ) and decorating it with polyaniline (PAni) for supercapacitor applications. The X-ray diffraction findings (XRD) manifested a broad peak of PAni and a cubic structure of cobalt manganese ferrite with crystal sizes between 21 nm. The pictures were taken with a fiel...
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We investigated the impact of doping ion type on the performance of a ZnO-based ammonia gas sensor to show the capability of these ions to achieve high-performance gas sensing at room temperature. A sol-gel method was used to synthesize both doped and undoped ZnO nanostructures, while the gas sensor device was made by casting ZnO onto a glass subst...
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Nanopowders of Mn-substituted CoFe2O4 were prepared in different proportions using the sol-gel auto-combustion method and were structurally and morphologically studied. In another step, composites based on polyvinyl alcohol (PVA) with Mn-substituted CoFe2O4 fillers were prepared, and the effect of the Mn-substituted CoFe2O4 on the optical, magnetic...
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The hydrothermal method successfully prepares a lead-free sodium bismuth titanate (NBT) perovskite film. The prepared films were studied structurally, and morphologically using X-ray diffraction, and field-emission scanning electron microscopy (FESEM), respectively. Varying the concentration of NaOH showed a noticeable effect on the properties stud...
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In this study, the role of sonochemical treatment followed by a combustion process adopted for the synthesis of SrSmxFe12-xO19 (x = 0.01 to 0.03) hexaferrites. We have investigated effect of lightly Sm substitutions on structural, magnetic, optical and dielectric properties in Strontium hexaferrites. X-ray diffraction analysis show M as major phase...
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Porous ceramic compound as adsorbents for heavy metal removal was produced by mixing kaolin with charcoal in addition to cobalt ferrite nanoparticles at 0, 3, 5, 7, and 10 wt%. The synthesized magnetic cobalt ferrites, prepared using sol–gel auto-combustion method, were characterized by X-ray diffraction, field emission scanning electron microscopy...
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Polyaniline nanofibers (PAni-NFs) have been synthesized under various concentrations (0.12, 0.16, and 0.2 g/l) of aniline and different times (2h and 3 h) by hydrothermal method at 90°C. Was conducted with the use of X-ray diffraction (XRD), Fourier Transform Infrared spectra (FTIR), Ultraviolet-Visible (UV-VIS) absorption spectra, Thermogravimetri...
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The current work is concerned with preparing cobalt manganese ferrite (Co1-xMnxFe2O4) with different concentrations of cobalt and manganese (x= 0.2, 0.4, and 0.6) and decorating it with polyaniline (PAni) for use in supercapacitive applications. The results of the X-Ray diffraction (XRD) manifested a broad peak of PAni and a cubic structure of coba...
Article
This study constructed poly (vinyl alcohol)/ biphasic-calcium phosphate (PVA/ BCP) composite scaffolds. The biphasic-calcium phosphate (BCP) was incorporated in 0, 5, 10, and 25 wt%; BP0, BP1, BP2, and BP3, respectively. The surface morphology was done with a scanning electron microscope (SEM) to observe the porosity and the pore size and distribut...
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A BST/Si photodiode has been effectively synthesized by growth BST on the p-type Si (100) substrate utilizing the hydrothermal process. Screen printing was used to prepare TiO2 film deposited on Si substrate, then immersing TiO2 film in Ba(OH)2 and Sr(OH)2 solution to fabricate BST/Si photodiode using a hydrothermal process. The BST film was studie...
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The photovoltaic performance of dye-sensitized solar cells (DSSCs) based on TiO2 and BaTiO3 has been studied after hydrothermal treatment of porous TiO2 film which is prepared using the screen printing method that is used as an essential component in this type of solar cell. The film of titanium dioxide and barium titanate deposited on the FTO subs...
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Cobalt ferrite and CoLa0.01Fe1.99O4 thin film were prepared using the pulsed laser deposition method with varying pulse laser energy. X-ray diffraction analysis was used to investigate the structure of ferrite thin films. The study was expanded to include morphology and magnetic properties. The prepared films showed a strong peak at (311), which be...
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تم تحضير CaCu3Ti4O12 متعدد الأطوار (CCTO) باستخدام CaNO2.6H2O و CuNO2.2H2O و TiO2 وحمض الأكساليك. تمت دراسة تأثير الأس الهيدروجيني من سلوك تشكيل الطور لمسحوق CCTO حيث تباين الأس الهيدروجيني 3 و 5 و 6 و 7 و 8 و 11. ووجد أن الأطوار المتعددة تحتوي على TiO2 و CuO و CaTiO3 و CCTO مثل يظهر على نتيجة XRD. كان حجم البلورة حوالي 60 نانومتر وفقًا لنتيجة XRD...
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The current study ensures the possibility of improving the mechanical and dielectric properties of polystyrene/kaolin reinforced with glass fibers. Polystyrene was dissolved using coloring in a ratio of 1 to 2. The prepared composites were studied and the results of the tensile, impact, hardness, thermal conductivity, and dielectric, has been obtai...
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Cobalt ferrite doped with lanthanum in low percentages was prepared using the internal combustion method. In another step, doped cobalt ferrite thin films were prepared using pulsed laser deposition. XRD and FTIR were used to study the structure and internal structure of the films and the study was expanded to include optical, magnetic, and morphol...
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Fe20:Ag80, Fe50:Ag50, and Fe80:Ag20 bimetallic nanoparticles were prepared with laser ablation method applied on Fe/Ag/polyvinyl alcohol (PVA) composite, at two different ablation times (20 and 50 min). The ratio of Fe with respect to Ag atoms as well as ablation time affect wavelength, intensity, and width of plasmon absorption peak. Increase in F...
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This research has studied the addition effect of woven carbon fiber treated with NaOH and coated by β- TCP to the conventional polymethyl methacrylate (PMMA). Two stages are involved in the preparation of heat-cured acrylic denture composite. The first chemical treatment of woven carbon fiber (WCF) surface by different concentrations of NaOH (0.10,...
Article
Background Porous scaffolds composed of poly (vinyl alcohol)/Biphasic calcium phosphate (PVA/BCP) were prepared for bone tissue engineering. The effect of BCP was investigated on the morphology of pores, porosity, compression strength, swelling ratio, biodegradation, bioactivity, and in vivo blood count. Objective the aim of article is to prepare...
Article
Co0.5Mn0.5LaxFe2-xO4 nano ferrites with x = 0.0, 0.02, 0.04, 0.06, 0.08 and 1.0 have been synthesized by using sol-gel method. The crystalline structure of nano ferrites was examined using the X-ray diffraction and showed the presence of α-Fe2O3 phase along with the spinel phase in all compositions as hematite which it also confirmed from Mössbaur...
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On a fluorine doped tin oxide (F: SnO 2 ) coated glass substrate, TiO 2 nanorod arrays (NRAs) were produced, successfully generated hydrothermally with an extended period of time (4, 6, 10, 20 and 30 h). Growth time and their effects on, morphological, structural, optical, and electrical characteristics of Titanium dioxide nanorods (NRs) were inves...
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Preparation of (Bi0.5Na0.5)1-xSrxTiO3 (BNST) ceramics with varying x to 0.1, 0.2 and 0.3 was conducted using solid-state method. The perovskite structure of BNST is observed for all compositions. The high dielectric constant (4000) at 100 kHz with high polarization (24 µC cm−2) of the prepared BNST ceramic has been obtained where high discharge ene...
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Hydrothermally produced perovskite-type barium strontium titanate Ba0.8Sr0.2TiO3 (BST) nanorods deposited on TiO2 substrate for 2 h at 160 °C. The TiO2 nanorods prepared using hydrothermal method with varying reaction time from 4 to 30 h. X-ray diffraction (XRD) was used to analyze the phase compositions and lattice characteristics of the films. Th...
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Samarium-doped cobalt ferrite nanoparticles CoSmxFe2-xO4 (0≤x≤0.1) were synthesized using citrate gel auto-combustion method, followed by annealing at 500 °C for 4 h in air. The physical properties of the samples were evaluated using x-ray difraction, Fourier transform infrared spectroscopy, transmission electron microscopy, Mössbauer, magnetic,...
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The photodiode e of BT/Si film has successfully fabricated by growing BT on the surface of the p-type Si (100) substrate using the hydrothermal method. BT films were made after preparing TiO2 film and deposited on a Si substrate via screen printing method. The structural, optical, electrical properties of the fabricated films were done. The morphol...
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Excellent osteoconductivity and resorbability achieved when porous bioceramics have highsurface area that providing fast bone ingrowth. Porous samples were fabricated by using biphasic calcium phosphate BCP (achieved from HA heat treated at 850 oC) with 10 and 20 wt% of ovalbumin binder powder and mixture of carrot fibers and ovalbumin powders (1:1...
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The CoCexDyxFe2-2xO4 (x = 0.0, 0.01, 0.02, 0.03, 0.04, 0.05) have prepared by sol-gel auto-combustion technique. The structural result confirmed the formation of single phase cubic spinel structure showed that by XRD. Crystallite size obtained from the XRD is in the range of 24–28 nm, whereas particle size obtained from the transmission electron mi...
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There is an urgent need to identify cheaper and efficient methods of removing contaminants as the demand for clean water rises. In this study, the household water filters were prepared from low-cost materials based on kaolin powder and combustible materials as palm fronds powder which acts as pore creating agent. The filter samples with different c...
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Nanotechnology has involved enormous attention in enhancing electromagnetic interference (EMI) shielding. The nanocomposite {Co0.5Zn0.5Fe2O4/PANI-PTSA} was synthesized in different ratios (9:1, 3:1, 1:1 and 1:3) and coded as (CZFP1, CZFP2, CZFP3 and CZFP4), respectively. X-ray diffraction, Hall effect, vibrating-sample magnetometer and then vector...
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Abѕtrаct: –Kaolin powder (Al2 O3.2SiO2.H2 O) with average grain size of 350 5?m was mixed with five different concentrations (2, 3, 5, 8, 16) M of NaOH solutions. The capacitance and reactance of prepared samples were measured using LCR meter. At frequencies smaller than 1000 Hz, the addition of sodium hydroxide to kaolin resulted in a significant...
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[Formula: see text] ceramics ([Formula: see text] mol.%, [Formula: see text]:[Formula: see text] = 1:3, 2:3, 3:2, 3:1) were successfully prepared using the traditional solid-phase sintering method. The effects of the proportion doping (Fe/Nb) components on various properties of BaTiO 3 ceramics were studied. The X-ray diffraction showed that all so...
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Lithium-doped nickel-zinc ferrite compound with formula Ni0.8Zn0.2−2xLixFe2+xO4 (x = 0, 0.01, 0.03, 0.05) was prepared using the sol-gel technique. The results of XRD proved a cubic spinel system of crystal. The lattice parameters, average particle sizes, and crystal density were calculated. It was found that the distance between magnetic ions decr...
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The X-ray and Fourier transform infrared (FTIR) spectroscopy are used to studying the structural and elastic properties of Ni-Zn ferrite doped lithium according to the chemical formula Ni1−xZnx−2yLiyFe2+yO4, where (0 ≤ x ≤ 0.5) and (y = 0, 0.01, 0.02, 0.03, and 0.04) which preparation by sol–gel method. Lattice constant (a), crystallite size, and c...
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Improvement of microwave-absorbing materials (MAMs) is the most important research area in various applications, such as in communication, radiation medical exposure, electronic warfare, air defense, and different civilian applications. Conducting polymer, polyaniline doped with para toluene sulphonic acid (PANI-PTSA) as well as cobalt ferrite (CoF...
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A method of core–shell-like gradient permeation of Er3+ on the surface of grain was used to prepare xEr3+-Bi0.5Na0.5TiO3 ceramics. The structure and photoluminescence properties were investigated both on the gradient and homogenous doping. The XRD patterns exhibited a single rhombohedra phase. The photoluminescence measurements showed a maximum val...
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Cobalt ferrite nanoparticles (CoFe₂O₄) and cobalt zinc ferrites with general formula CoxZn1-xFe₂O₄ (x = 0.5, 0.6, 0.7) were prepared by sol-gel method at a low temperature with a final pH value of 7. Synthesized spinel ferrites were sintered at various temperatures (220, 400, 600, 800 and 1000℃). X-ray diffraction (XRD) was used to characterize the...
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Sol–gel method has been employed to prepare Ni–Zn ferrite with chemical formula Ni(Formula presented.)ZnxFe2O4 where (Formula presented.), 0.1, 0.2, 0.3, 0.4 and 0.5. The structural Ni–Zn ferrite was studied via the X-ray diffractometer (XRD) pattern. X-ray analysis showed that there is a small shift in peaks towards shorter angles which increases...
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To meet the requirement for capacitors with low loss and stable dielectric constant in the intermediate temperature range, (1 − x)Na0.5Bi0.5TiO3–xSrTiO3 (x = 0.2, 0.3, 0.4, 0.5) ceramics have been synthesized by conventional solid-state reaction. Dielectric measurements showed double-shoulder dielectric peaks for the ceramics, with the ceramic havi...
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Titanium dioxide (TiO2) nanotubes with an outer diameter of approximately 245 nm have been successfully prepared using an electrochemical anodization method with anodizing electrolyte containing ethylene glycol solution. X-ray diffraction (XRD) analysis shows that the TiO2 nanostructure was a crystalline anatase phase. Fabricated of dye-sensitized...
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A flexible thermoelectric materials (FTEM) films based on Polydimethylsiloxane as the polymer matrix and (Zinc Oxide, Polyaniline and multi wall Carbon nanotube) as the fillers were prepared. The fillers were prepared using modified sol–gel method to enhance the distribution of the nanoparticles inside the polymer matrix and good performance. The S...
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The CaCu3Ti4O12–polyethylene composite was prepared using solution casting method. Thermally and mechanically, CaCu3Ti4O12–polyethylene composite film was treated using annealing and hot pressure (HP) processes in order to modify the distribution of the CaCu3Ti4O12 particles in polymer matrix. The higher dielectric constant appeared with annealing...
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The Mn, Cu and (Mn, Cu) co-doped ZnS nanoparticles were prepared using hydrothermal method at 180 °C. A hexagonal structural of synthesized ZnS nanoparticle were approved using X-ray diffraction. The scanning electron microscopy was confirmed that the morphology and elemental analysis was formed ZnS nanoparticle as a circle shape. The two luminesce...
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A-site deficient, Lanthanum substituted Ba1−xLa2x/3TiO3 (x =0.000, 0.005, 0.015, 0.020 and 0.025) ceramics have been synthesized by chemical route. The effects of lanthanum dopant on the BaTiO3 lattice and the electron density distributions in the unit cell of the samples were investigated. Structural studies suggested the reduction in cell paramet...
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(1−x)Ba0.8Sr0.2TiO3 -xBi2O3 (x: 0.200–0.275) ceramics were prepared by solid-state reaction. X-ray diffraction showed reduction in lattice constant with increase in Bi2O3 content. The peaks of dielectric permittivity, about 400 000 at 1 kHz, shift to low temperature with the increase in frequency. AC conductivities show the linear frequency depende...
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BaTiO3 ceramics doped with 0.40 mol% NaNbO3 were prepared using a traditional approach by sintering at temperature of 1250 °C to 1290 °C. The prepared ceramics was characterized by very good dielectric properties, such as high dielectric constant (1.5 × 105), low dielectric loss (0.1), and good dielectric temperature stability in the −40 °C to 100...
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A ZnS nanoparticle was prepared using hydrothermal interaction of zinc acetate with Thiourea in different reaction temperatures (170 o C, 180 o C, 185 o C, 190 o C). The structural characterization of synthesized nanoparticle was determined by X-ray diffraction (XRD) which showed a hexagonal structural of ZnS. Scanning electron microscopy (SEM) and...
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The energy electron distribution function at a particular reduced electric field E/p (where E is the electric field and p is the gas pressure) for SF 6 +He and SF 6 +Ar mixtures has been studied. The distribution function has been calculated as a function of percentage mixture ratio (k) ranging from zero (pure SF 6) to 100% (for He or Ar) at (E/p)...
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In this research, AuNPs prepared by laser ablation in liquid (PLAL) at 750 mJ energy and 90 pulses. They have been added to N719-dye to form (Au-N719) mixture. TiO2 paste was deposited on FTO substrates and immersion in a mixture dye and AuNPs. DSSC was fabricated and enhancement of the DSSC conversion efficiency was achieved. Sanning electron mic...
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Gold nanoparticles with ZnO (sphere and rod) core-shell have been prepared from HAuCl4 containing aqueous solution using pot chemical and hydrothermal method. The nanoparticles were characterized by using X-ray diffraction, transmission electron microscopy, and UV-VIS absorption spectroscopy. The effects of the concentration of zinc acetate, reacti...
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Gold nanospherical and nanorods in aqueous dispersion were synthesized using seed-mediated growth method. The gold nanoparticles were characterized using X-ray diffraction, transmission electron microscopy (TEM), and UV-Vis absorption spectroscopy. It showed that the diameter of the prepared Au nanospheres can be controlled by several parameters su...
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ZnO nanoparticles assisted with ethanol and 2propanol as capping agent investigated the medical activities of ZnO nanoparticles and ZnO/Ag composite. ZnO nanoparticles were prepared using zinc acetate and silver nitrate as a source of zinc and silver. ZnO/Ag composite also prepared and studied the medical activities. XRD pattern indicates that the...
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Silver nanoparticles were prepared by the reduction of silver salt (silver nitrate AgNO 3) solution using three different methods. The main differences between these methods is by belong to the reducing agent. It is found that the prepared silver nanoparticle was pure and stable for long time. UV-VIS spectrometry indicated formation of spherical si...
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Barium titanate (BT) with different content of Zr (0.001 and 0.008) is prepared using hydrothermal method at 150oC for 2h. It is found that with increased of Zr content, the lattice constant a increases while the lattice constant c decreases. It is observed also that the curie temperature peak shift to lower temperature and be broadened. The lattic...
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Nanocrystalline multiphase CaCu 3 Ti 4 O 12 (CCTO) was prepared using Ca(NO 3) 2 .4H 2 O, Cu(NO 3) 2 .3H 2 O, TiO 2 and C 2 H 2 O 4 .2H 2 O. The X-Ray differection and SEM analysed of the prepared CCTO powder sintered at 900 o C and 950 o C. A homogeneous ceramics-polymer nanocomposites consisting of CCTO particles as fillers and epoxy polymer as m...
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Conventional solid-state route method was used to prepare barium titanate ceramics doped with Y2O3 and Nb2O5, Ba(Y0.5Nb0.5)xTi(1-x)O3 (x = 0.02, 0.04, 0.06, 0.08). The X-ray diffraction results confirmed that Y3+ and Nb5+ both substitute for Ti4+ at the B-site of ABO3 perovskite type structure, and second phase appeared for x = 0.04 and 0.06. With...
Article
Conventional solid-state route method was used to prepare barium titanate ceramics doped with Y2O3 and Nb2O5, Ba(Y0.5Nb0.5)xTi(1-x)O3 (x = 0.02, 0.04, 0.06, 0.08). The X-ray diffraction results confirmed that Y³⁺ and Nb⁵⁺ both substitute for Ti⁴⁺ at the B-site of ABO3 perovskite type structure, and second phase appeared for x = 0.04 and 0.06. With...
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The biosynthesis of nanoparticles has received increasing attention due to the growing need to develop safe, cost-effective and environmentally friendly technologies for nano-materials synthesis. In the present investigation, we report, biomedical potential of silver nanopaticles synthesized from extract of Rosmarinus officinalis on different patho...
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BaTiO3 powders were prepared hydrothermally using TiCl4, Ba(OH)(2)center dot 8H(2)O and NH4OH as starting materials at 150 degrees C for 2h. The structure of the prepared nanocystalline BT powders were a metastable cubic perovskite according to XRD and HRTEM analysis, while FT Raman spectra showed that BT powders have a tetragonal structure. Hydrox...