نتایج جستجو برای: zinc ferrite

تعداد نتایج: 79913  

2014
Yuan-Chang Liang Hao-Yuan Hsia

Correction Figure 4g in the original version of this article [1] was misused in the typesetting process. The figure 4g is the same as figure 4a. The corrected image for figure 4g is shown here (Figure 1). Reference 1. Liang YC, Hsia HY: Growth and crystallographic feature-dependent characterization of spinel zinc ferrite thin films by RF sputtering. Figure 1 Low-magnification TEM image of the Z...

2012
V. R. Dantham S. Holler V. Kolchenko Z. Wan

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2000
Chao Liu Adam J. Rondinone John Zhang

The CoFe2O4 nanoparticles have been synthesized by using a stable ferric salt of FeCl3 with a micellar microemulsion method. The normal micelles are formed by sodium dodecyl sulfate (NaDS) in aqueous solutions. The mean size of the nanoparticles can be controlled from less than 4 nm to about 10 nm through controlling the concentrations of the reagents. The neutron diffraction in combination wit...

2010
Naveen Kumar Saxena

Characterization of a tunable & switchable microstrip rectangular patch antenna printed on synthesized LiTi ferrite substrate with a normal magnetic bias field is presented. In this paper the concept of switching and tuning has been described by magnetostatic and spin waves phenomenon. The DC magnetic biasing generate these both type of waves which response a number of novel magnetic and electr...

Journal: :international journal of nanoscience and nanotechnology 2010
s. manouchehri m. h. yousefi m. mozaffari j. amighian

magnetic nanoparticles of cobalt-zinc ferrite (co0.5zn0.5fe2o4) have been synthesized in a homogeneous aqueous solution at room temperature by co-precipitation method without any template and subsequent heat treatment. synthesis of material is confirmed using xrd from the report of single phase polycrystalline ferrite material and also determined lattice constant. atomic absorption spectrophoto...

2017
U. König

It is shown by neutron diffraction and Mossbauer spectrometry that the formation of a long range magnetic order in zinc ferrite depends sensitivily on the content of divalent iron. The experimental data favour a non collinear model of the magnetic structure. Zinc ferrite is a normal spinel with the tetrahedral A sites occupied by Zn2+ ions and the octahedral B sites occupied by Fe3+ ions. Any m...

2014
J. TÖPFER H. BARTSCH

We have studied the integration of Ni-Cu-Zn ferrite spinels as well as substituted hexagonal Co2Y-and M-type ferrites into LTCC (Low Temperature Ceramic Co-firing) modules. The cofiring behavior and the magnetic properties of these materials were investigated and evaluated for multilayer applications. Ni-Cu-Zn ferrites exhibit permeabilities of μ = 300 – 500 for operating frequencies in the MHz...

2011
Vasant Naidu Hongguo Zhang Hayley Spiers Jun Yao Gavin Vaughan Ann Terry

Nano-particles of polycrystalline Zn Fe2 O4 are prepared using sol-gel method with Ni, and Sm. They are obtained as dried gel after the successful chemical reaction of their respective metal nitrate solutions in the midst of citric acid as catalyst. Synthesis of materials is confirmed using XRD from the report of single phase polycrystalline ferrite material. The magnetic properties of Zn-ferri...

2016
Rajneesh Chaudhary Kislay Roy Rupinder Kaur Kanwar Ken Walder Jagat Rakesh Kanwar

BACKGROUND Cardiovascular diseases are the most prevalent cause of morbidity and mortality affecting millions of people globally. The most effective way to counter cardiovascular complications is early diagnosis and the safest non-invasive diagnostic approach is magnetic resonance imaging (MRI). In this study, superparamagnetic ferrite nanoparticles doped with zinc, exhibiting highly enhanced s...

2012
M. Esmailian

The effect of different austenite grain size and different cooling rates on the austenite to ferrite transformation temperature and different ferrite morphologies in one Nb-microalloyed (HSLA) steel has been investigated. Three different austenite grain sizes were selected and cooled at two different cooling rates for obtaining austenite to ferrite transformation temperature. Moreover, samples ...

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