56 Result(s)
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Saira Riaz
Materials Science
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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
On the optical tuning of the threshold voltage for DPPDTT-based organic field effect transistors
Understanding the threshold voltage tuning in photosensitive organic field effect transistors (OFETs) is crucial for many device applications like depletion-load unipolar inverters for logic circuits. Here, we...
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Article
Quantitative and qualitative aspects of Ni-substitution on various properties of nano-sized hexagonal ferrites
This study aims to examine the structural, optical, dielectric, electrical, and magnetic characteristics of divalent Ni2+ transition metal-doped T-type hexagonal ferrites Ca2-xNixFe8O14 (x = 0.0, 0.2, 0.4, and 0....
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Article
Thermal plasma treatment of tin for the enhancement of field emission properties
In the present study, the effect of treatment with Ar thermal plasma on the compositional, morphological, and field emission properties of Tin (Sn) has been investigated. For this purpose, Sn has been treated ...
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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
Correction to: Study of vanadium oxide nanoparticles for optical and biomedical applications
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Article
Fe-Doped Di-Bismuth Tetra-Oxide Thin Films: Synthesis, Characterization, and Application
In this research work, undoped and Fe-doped Bi2O4 thin films were synthesized by sol-gel dip coating technique. The x-ray diffraction results confirmed the formation of the monoclinic phase of Bi2O4 with no other...
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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
Study of vanadium oxide nanoparticles for optical and biomedical applications
Hydrothermal method is a cost-effective and reproducible technique for synthesizing nanoparticles. The vanadium oxide nanoparticles were successfully prepared using hydrothermal method. The phase stability of ...
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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
Magneto-dielectric behavior of electrodeposited FeAl2O4 nanostructures
Spinel class of materials, with significant magnetodielectric (MD) coupling, has potential for multifunctional devices/applications. Present research work discusses and correlates the structural, dielectric, m...
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Article
Dielectric and ferroelectric properties of X8R perovskite barium titanate for application in multilayered ceramics capacitors
It is the need of time to extend the range of temperature-dependent stability of barium titanate (BaTiO3) ceramics from Electronic Industries Association (EIA) X7R specifications to EIA X8R. For this purpose, bar...
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Article
Field emission properties and ferromagnetic exchange interactions in γ-Fe2O3 and Fe3O4 nanoneedles—oleic acid-assisted growth
In various biomedical applications of iron oxide nanostructures, superparamagnetic nanoneedles offer benefits to access the interior of cells without damage. However, use of superparamagnetic nanoneedles shoul...
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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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Exploration of structural, optical, dielectric properties and curve fittings of Yb3+-substituted β-type hexagonal ferrites
The rare-earth element Yb3+-substituted β-ferrites KFe11−xYbxO17 with composition (x = 0, 0.02, 0.06 and 0.1) have been synthesized by sol–gel auto combustion method and sintered at 950 °C. X-ray diffraction (XRD...
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Article
Analysis of recoverable and energy loss density mediated by Ni/Cr co-do** in BiFeO3
BiFeO3 is the only multiferroic material in which coexistence of ferroelectricity and anti-ferromagnetism can be seen at room temperature. However, small strength of coupling is a main hurdle for its use in multi...
