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RISSynthesis of nanocrystalline NiCoMn ferrite and investigation their physical properties
Nickel Ferrites nanoparticles doped with cobalt and manganese (Ni0.99Co0.01Mn0.01Fe1.99O4) were
synthesized by sol–gel combustion method. The effect of calcination temperature on the properties of the ferrite was
Effect of pure oxygen, argon and air in sintering on structural and magnetic properties of Nickle ferrite thin films prepared by spray pyrolysis
In this study, nickel ferrite thin films were prepared on glass substrate by spray pyrolysis at 400 °C. The structural and magnetic properties of the samples were studied after calcination at argon, pure oxygen and air atmosphere. The results of X...
Synthesis of nanocrystalline NiCoMn ferrite and investigation their physical properties
Nickel Ferrites nanoparticles doped with cobalt and manganese (Ni0.99Co0.01Mn0.01Fe1.99O4) were synthesized by sol–gel combustion method. The effect of calcination temperature on the properties of the ferrite was also studied...
Preyssler heteropoly acid supported on silica coated NiFe2O4 nanoparticles for the catalytic synthesis of bis(dihydropyrimidinone)benzene and 3,4‐dihydropyrimidin‐2(1H)‐ones
A novel magnetic acidic catalyst comprising Preyssler (H14[NaP5W30O110]) heteropoly acid supported on silica coated nickel ferrite nanoparticles (NiFe2O4@SiO2) was prepared. The catalyst was characterized by Fourier transform infrared, scanning...
Ferric hydrogen sulfate supported on silica‐coated nickel ferrite nanoparticles as new and green magnetically separable catalyst for 1,8‐dioxodecahydroacridine synthesis
A new magnetically separable catalyst consisting of ferric hydrogen sulfate supported on silica‐
coated nickel ferrite nanoparticles was prepared. The synthesized catalyst was characterized
using vibrating sample magnetometry, X...
Synthesis, characterization and first application of keggin-type heteropoly acids supported on silica coated NiFe2O4 as novel magnetically catalysts for the synthesis of tetrahydropyridines
In this study, two heteroploly acids with Keggin structures (phosphotungestic acid (PWA) and
phosphomolybdic acid (PMA)) have been supported on silica coated nickel ferrite nanoparticles
(NiFe2O4@SiO2). The synthesized catalysts were...