نتایج جستجو برای: mgfe2o4

تعداد نتایج: 113  

Journal: :international journal of nano dimension 0
h. bakhtiari department of chemistry, azad university, north tehran branch, tehran, iran. q. s. manuchehri naeini department of chemistry, azad university, north tehran branch, tehran, iran. s. haghighi department of chemistry, azad university, north tehran branch, tehran, iran. m. emamzadeh department of chemistry, azad university, north tehran branch, tehran, iran.

the composite powders of barium-magnesium ferrite were prepared using sol-gel auto-combustion and microwave methods. the crystal structure and the shape of nanocomposites have been compared. x-ray diffraction (xrd), scanning electron microscope (sem) and vibrating sample magnetometer (vsm) were used to investigate the structural, morphological and magnetic properties of nanopowder. the formatio...

Journal: :Heliyon 2023

Magnesium ferrite (MgFe2O4) and polyethylene glycol (PEG) are materials known for their versatility in various applications. This study presents a comprehensive comparative analysis of the electrical conductivity dielectric relaxation nanostructured MgFe2O4 its composites with PEG. Through experimentation, it was observed that incorporating PEG into did not lead to high relative decrease or inc...

2008
Santi Maensiri Montana Sangmanee Amporn Wiengmoon

Magnesium ferrite (MgFe(2)O(4)) nanostructures were successfully fabricated by electrospinning method. X-ray diffraction, FT-IR, scanning electron microscopy, and transmission electron microscopy revealed that calcination of the as-spun MgFe(2)O(4)/poly(vinyl pyrrolidone) (PVP) composite nanofibers at 500-800 degrees C in air for 2 h resulted in well-developed spinel MgFe(2)O(4) nanostuctures. ...

Journal: :Renewable & Sustainable Energy Reviews 2021

The present study focuses on the synthesis of novel catalytic nanoparticles and their effect combustion, performance, emission characteristics a diesel engine. For this purpose, Mg cations were doped into Fe3O4 lattice to form MgxFe(3-x)O4 (x = 0.25, 0.5, 0.75, 1) using solution combustion method. Comprehensive characterization studies carried out assess oxygen storage capacity (OSC) properties...

Magnesium ferrite (MgFe2O4) as a core magnetic nanostructure was synthesized via auto combustion method by using grapefruit extract as a biocompatible and cost-effective material. Then flower and star-like PbS were synthesized using thioglycolic acid as a sulfur source without using any chemical template. After that for preparation of magnetic and photocatalyst MgFe2O4-PbS nanocomposites, lead ...

Journal: :Advanced Materials Letters 2022

In the present study, use of MgFe2O4@SiO2-SO3H as an efficient, green, magnetically recoverable & recyclable catalyst for micro-wave assisted solvent free synthesis 2,3-dihydroquinazolin-4(1H)-ones reaction pathway is presented. The superiorities this method are higher conversion rate, shorter time, easy isolation product and reusability without remarkable loss activity. synthesized derivatives...

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