NiFe2O4 (nickel ferrite), ZnFe2O4 (zinc ferrite) and Ni0.5Zn0.5Fe2O4 (nickel-zinc ferrite) were prepared by mechanochemical route in a planetary ball mill starting from mixture of the appropriate quantities of the Ni(OH)2/Fe(OH)3, Zn(OH)2/Fe(OH)3 and Ni(OH)2/Zn(OH)2/Fe(OH)3 hydroxide powders. In order to monitor the progress of chemical reaction and confirm phase formation, powder samples obtai...

The magnetic properties of cobalt ferrite-silica nanocomposites with different concentrations (15, 30, and 50 wt %) and sizes (7, 16, and 28 nm) of ferrite particles have been studied by static magnetization measurements and Mossbauer spectroscopy. The results indicate a superparamagnetic behavior of the nanoparticles, with weak interactions slightly increasing with the cobalt ferrite content a...

The beam scanning properties of a 2-element patch array fed by a microstrip feed situated on a ferrite substrate are presented. Biasing the femte changes the phase length of the microstrip line, scanning the beam by up to 40. The resulting scan loss is -2dB, mainly due to the ferrite becoming lossy as it approaches absorption resonance. Introduction: Ferrite substrates have been the subject of...

The influence of heat treatment holding temperatures from 600 to 1300 °C on the microstructure, mechanical properties and corrosion resistance in selective laser melted (SLMed) 304L stainless steel is investigated this work. results reveal that there no remarkable microstructure change after at for 2 h, while recrystallization leads a slight decrease grain size temperature range 700–900 °C. 100...

Magnetic-dipolar modes (MDMs) in a quasi-2D ferrite disc are microwave energy-eigenstate oscillations with topologically distinct structures of rotating fields and unidirectional power-flow circulations. At the first glance, this might seem to violate the law of conservation of an angular momentum, since the microwave structure with an embedded ferrite sample is mechanically fixed. However, an ...

The RHIC injection kicker is a pulsed transmission line kicker, consisting of 15 ferrite sections and 14 ceramic sections. The length of the kicker is 1.1 m and there are 4 such units in each ring. Figure 1 shows the kicker cross section with the outer conductor, C-shaped ferrite, inner conductor and the ceramic beam pipe [1]. The design characteristic impedance of the transmission line kicker ...

The effect of strain path changes on the microstructure/crystallographic texture characteristics was studied in a 22Cr-6Ni-3Mo duplex stainless steel subjected to several deformation regimes comprising forward and reverse torsion, performed at a temperature of 1000 °C using a strain rate of 1 s. A high-resolution EBSD technique, utilising an FEI Sirion FEG SEM in conjunction with a HKL Technolo...

PW cell is used to test radiated electromagnetic field immunity for small equipment up to frequency of several GHz. As the carbon absorbers as a microwave absorber are conventionally used for PW cell, the inside measurement space is limited to small sized EUT. For the tests in this report, we tried to use a pyramid ferrite absorber, which has been developed recently, instead of a carbon absorbe...

Effect of Er doping on the structural and magnetic properties of cobalt-ferrite" (2014).