نتایج جستجو برای: nanoferrites

تعداد نتایج: 67  

2014
Mahadevaiah Thejas Urs R Somashekar

HPMC Polymer composites were prepared by doping various concentrations of Zinc ferrite nanoparticles using solution casting method. These polymer composites were characterized using X-Ray Diffraction and conductivity measurements. The addition of nanoferrites in the polymer matrix do change the structural and the AC conductivity properties of the film, which is supported by the results obtained...

Journal: :Journal of Electronic Materials 2022

Abstract The magnetocaloric effect (MCE) of Ni 0.4 Cu 0.2 Zn Fe 2- x Dy O 4 ( = 0.02, 0.03, and 0.04) nanoferrites is simulated using a phenomenological model. analysis indicates that the MCE strongly influenced by content in both conventional inverse MCE. For MCE, full-width at half-maximum $$\delta {\text{T}}_{{{\text{FWHM}}}}$$ <mml:m...

Journal: :Journal of the Australian Ceramic Society 2023

Abstract In this work, the effects of Co x Zn 1- Fe 2 O 4 ( = 0, 0.5, 1) nanofillers on PVDF polymer were scientifically studied. The structure and magnetic optical properties XRD confirms synthesis nanofiller in a single phase. FTIR formation nanoferrites. HRTEM shows that prepared nanoferrites have cubic-like shape. Also, size agglomeration increase with Co-Zn compared to other singles one. e...

Journal: :Bangladesh Journal of Scientific and Industrial Research 2022

The current study unravels the structural, optical band gap and magnetic characteristics of rare-earth (RE) gadolinium (Gd) substituted CoGdxFe2-xO4 (x= 0.00 - 0.10, in interval 0.02) nanocrystallites synthesized by sol-gel self-ignition route. XRD analysis Rietveld refinement confirmed existence a single cubic phase with crystallite size ~15-21 nm range, further HRTEM results. SEM images well-...

Journal: :international journal of nano dimension 0
m. k. shobana center for advanced material technology, kookmin university, 861-1 jeongneung-dong, seongbuk-gu, seoul 136-702, republic of korea.

calcium doped nickel ferrite powders have been prepared by sol-gel combustion technique. metal nitrates, such as calcium nitrate, nickel nitrate and ferric nitrate, were used as the source materials and citric acid and polyvinyl alcohol were used as the burning agent and agglomeration reducing agent, respectively. the average crystallite size of the prepared ferrite was in the order of ~70- 92 ...

Journal: :Journal of Lasers, Optics & Photonics 2017

Journal: :Journal of materials research and technology 2021

This study reports the impact of lanthanum (La) substituted Co–Cu ferrite nanoparticles on rhodamine (RhB) dye disposal. Moreover, a complete investigation for structural, magnetic and optical properties Co0.5Cu0.5LaxFe2-xO4 (CCL) nanoferrites was executed. These nanocrystals were synthesized via combustion approach with peculiar lattice parameter behavior; which discussed through three hypothe...

Journal: :international journal of nano dimension 0
m. k. shobana center for advanced material technology, kookmin university, 861-1 jeongneung-dong, seongbuk-gu, seoul 136-702, republic of korea.

the mössbauer spectra of nanoferrite materials such as ni0.25mn0.75fe2o4, co0.5mn0.5fe2o4 and ni0.4co0.6fe2o4 have been reported and the above materials were prepared by sol-gel combustion method using metal nitrates as source material and polyvinyl alcohol(pva) as agglomeration reducing agent. as the structural, thermal and magnetic properties (vsm) of the above ferrites have been published al...

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