Structural, magnetic, dielectric, and electrical properties of NiFe 2 O 4 spinel ferrite nanoparticles prepared by honey-mediated sol-gel combustion

2017 ◽  
Vol 107 ◽  
pp. 150-161 ◽  
Author(s):  
Raghvendra Singh Yadav ◽  
Ivo Kuřitka ◽  
Jarmila Vilcakova ◽  
Jaromir Havlica ◽  
Jiri Masilko ◽  
...  
2010 ◽  
Vol 322 (21) ◽  
pp. 3396-3400 ◽  
Author(s):  
Jianjun Li ◽  
Hongming Yuan ◽  
Guodong Li ◽  
Yanju Liu ◽  
Jinsong Leng

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Anuj Jain ◽  
Ravi Kant Baranwal ◽  
Ajaya Bharti ◽  
Z. Vakil ◽  
C. S. Prajapati

Nanostructured zinc-copper mixed ferrite was synthesized using sol-gel method. XRD patterns of different compositions of zinc-copper ferrite,Zn(1-x)CuxFe2O4(x=0.0, 0.25, 0.50, 0.75), revealed single phase inverse spinel ferrite in all the samples synthesized. With increasing copper concentration, the crystallite size was found to be increased from 28 nm to 47 nm. The surface morphology of all the samples studied by the Scanning Electron Microscopy there exhibits porous structure of particles throughout the samples. The pellets of the samples are prepared for LPG sensing characteristics. The sensing is carried out at different operating temperatures (200, 225, and 250°C) with the variation of LPG concentrations (0.2, 0.4, and 0.6 vol%). The maximum sensitivity of 55.33% is observed at 250°C operating for the 0.6 vol% LPG.


2018 ◽  
Vol 447 ◽  
pp. 48-57 ◽  
Author(s):  
Raghvendra Singh Yadav ◽  
Ivo Kuřitka ◽  
Jaromir Havlica ◽  
Miroslav Hnatko ◽  
Cigáň Alexander ◽  
...  

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