24 Result(s)
within
Saira Riaz
Ceramics, Glass, Composites, Natural Materials
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Article
Stirring-mediated dielectric and ferroelectric response in perovskite BaTiO3 for multilayer capacitor applications
Barium titanate (BaTiO3) phase is observed in thin films synthesized via an electroless chemical bath deposition (CBD) method. Solution molarity is varied as 0.1–1.2 M. Temperature of solution is kept at 78 °C un...
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Article
Adopting the sol–gel auto-combustion approach to synthesize the La3+ substituted hexagonal ferrites suitable for permanent magnets and high-frequency applications
In a recent study, La+3 substituted T-type hexagonal ferrites \(Sr_{2 - x}La_xFe_8O_{14}\) ...
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Article
Solar energy driven photo catalytic action and antimicrobial activities of Iron oxide nanoparticles
Every year loss of crop yield (at least 20–40%) occurs by pathogenic infections that leads to loss of billions of dollars worldwide. Usage of antibiotics are limited in numerous countries for controlling bacte...
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Article
Effect of microwave irradiations on exchange bias and spin reorientation in cr doped iron oxide thin films – Sol-Gel approach
Microwave-assisted sol-gel method has proven to be a better alternate to conventional chemical approaches. In the present research work, chromium (Cr) doped thin films of iron oxide are prepared by modified so...
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Article
Free radical scavenging and antimicrobial activities of MW assisted sol-gel synthesized honey mediated zirconia
Demand of zirconia based bone implant substitutes is increasing day after day as it creates a pathogen free environment along with healing and osseointegration. A big problem associated with zirconia is its st...
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Article
Effect of pH on phenolphthalein immobilized gold nanoparticles/nanostructures for pH sensing evaluations: sol–gel method
Sol–gel-based phenolphthalein immobilized AuNPs (phph-AuNPs) of different shapes such as spherical, dendrites, and flower are observed by varying pHs 1–12. pH 1 induced the Au cages, and pH 2–6 revealed the di...
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Article
Thermally stable and fast responsive mesoporous cresol red functionalized silica and titania nanomatrices: fiber optic pH sensors
Owing to the fast responsive fiber optic pH sensing, silica nanomatrix (SNM) and titania nanomatrix (TNM) are synthesized by the sol–gel method at low temperatures. Cresol red (CR) is immobilized within SNM an...
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Article
Biodistribution of iron-oxide-stabilized 99mTc- ZrO2 nanoparticles in rabbit using honey as a cap** agent—microwave-assisted sol–gel approach
One of the major biomedical problems facing worldwide is the diagnosis and treatment of tumor. This disease may lead to severe incidence with increased mortality rates. Therefore, it is the need of present era...
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Article
Fast responsive thermally stable silica microspheres for sensing evaluation: sol–gel approach
Cetyltrimethylammonium bromide (CTAB) micelle-templated mesoporous SiO2 particles (MSPs) are synthesized by sol–gel method. The CTAB templated SiO2 particles (SPs) possessed spherical structure with low average s...
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Article
Microwave assisted tuning of optical and magnetic properties of zinc oxide nanorods—efficient antibacterial and photocatalytic agent
Microwave radiations play an important role in chemical reactions for reducing overall time and cost. The method has many advantages over conventional heating methods like phase purity, high crystallinity, enh...
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Article
Grown of highly porous ZnO-nanoparticles by pulsed laser ablation in liquid technique for sensing applications
Pulsed laser ablation technique in deionized water with low laser fluency has been explored to prepare uniform dispersed porous ZnO nanoparticles for sensing applications. Surface morphology, particle size, po...
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Article
Influence of Al percentage on the magnetic, optical, and structural properties of Al-doped CoZnO thin films
Al-doped CoZnO thin films were deposited by sol-gel dip coating technique with 1–3% of Al at a constant withdrawal speed of 250 mm/s and their characteristics were studied. With increase in the Al percentage i...
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Article
Honey mediated microwave assisted sol–gel synthesis of stabilized zirconia nanofibers
Aim of the present work is to prepare zirconia nanofibers using microwave assisted sol–gel method. Both honey and microwave powers are employed as structure directing agents to improve the stability and reduce...
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Article
Sol–gel based thermally stable mesoporous TiO2 nanomatrix for fiber optic pH sensing
Thermally stable acid catalyzed mesoporous titania (TiO2) nanomatrices are obtained by sol–gel method for fiber optic pH sensing. These synthesized nanoparticles are annealed at 300 °C, at two time intervals i.e....
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Article
Synthesis of optically active bromophenol blue encapsulated mesoporous silica–titania nanomatrix: structural and sensing characteristics
Mesostructured silica-titania (ST) and bromophenol blue encapsulated silica–titania (BPB-ST) nanomatrices are synthesized by sol–gel method at low temperature. FESEM analysis shows uniform crack-free porous su...
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Article
Influence of annealing temperature on the structural, optical, and magnetic properties of two-phase MnZnOx (x = 1, 3) thin films grown by a sol-gel method
The role of variation in annealing temperature on the structural, optical, and magnetic characteristics of the MnZnO thin films was studied. Nanocrystalline thin films with a hexagonal wurtzite structure along...
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Article
Synthesis and characterization of room temperature sol–gel-assisted transparent tin-doped magnesium oxide nanoparticles’ protective coating
Using in-situ sol–gel processing, Sn-doped MgO2 nanofilm has been fabricated by spin-coating technique. Cracked and uneven distribution of particles in the composite can lead to premature failures and material ca...
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Article
Carriers mediated magnetic and impedance spectroscopic analysis of sol–gel synthesized Zn0.95−x Mn x Fe0.05O (0 ≤ x ≤ 0.05) DMSs
Zn0.95−x Mn x Fe0.05O (0 ≤ x ≤ 0.05) dilute magnetic semiconductors were prepared using sol–gel auto-combustion method for potential spintronic app...
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Article
Sol–gel based optically active phenolphthalein encapsulated nanomatrices for sensing application
In this work, synthesis and characterization of phenolphthalein-immobilized titania (T-phph) and silica–titania (ST-phph) nanomatrix is reported. The thin films are deposited by sol–gel method at low temperatu...
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Article
Sol–gel-based single and multilayer nanoparticle thin films on low-temperature substrate poly-methyl methacrylate for optical applications
Single and multilayer (SiO2, TiO2, SiO2–TiO2, TiO2/SiO2–TiO2/SiO2) films were deposited on polymer substrate poly-methyl methacrylate (PMMA) at room temperature by sol–gel method. Optical micrographs show that sp...
