Showing papers in "Journal of Magnetism and Magnetic Materials in 2018"

TL;DR: In this article, the structural, magnetic, electronic, elastic and mechanical properties of full-Heusler compounds Co2YAl (Y = Fe, Ti), in L21 type structure are determined using the density functional theory based full potential linearized augmented plane waves (FP-LAPW) method.

TL;DR: In this paper, the effects of cobalt ions on morphology, structural, optical, magnetic and photo-catalytic properties of spinel Co x Mg 1−x Fe 2 O 4 nanocomposites were investigated.

TL;DR: In this paper, the structural, morphological, magnetic and dielectric properties of synthesized nanoparticles were examined by XRD, FTIR, HRSEM, EDX, TEM, VSM, and Dielectric studies.

TL;DR: In this paper, the magnetic properties of CoFe2O4/mpg-C3N4 nanocomposite were studied by using M-H and M-T loops and the magnetic saturation and blocking temperature were found to be 6.1"emu/g and 269"k, respectively.

TL;DR: In this paper, the crystal and magnetic structure of the doped BaFe12−xInxO19 samples were refined by the results of investigations using high resolution neutron powder diffraction and vibration sample magnetometry at different temperatures.

TL;DR: In this paper, the changes of structure and magnetic properties in diamagnetically doped barium hexaferrites were investigated using neutron powder diffraction and Mossbauer spectroscopy.

TL;DR: In this paper, the authors investigated the effect of the substitution level and temperature on indium doped barium hexaferrites in high-resolution neutron powder diffraction and vibration sample magnetometry in temperatures up to 730 K.

TL;DR: In this article, cobalt substituted nickel spinel ferrites were synthesized in the form of Ni 1 - x Co x Fe 2 O 4 (x = 0 - 1, Δ x = 0.15 ) via Pechini's sol-gel citrate method with final sintering at 1000 °C for 6 h.

TL;DR: In this article, a co-precipitation method was used to make Fe3O4 nanoparticles with an average size of 13.5nm and a magnetoresistance of up to −6.5% at 8'T and 300'K.

TL;DR: In this paper, the effect of RE ion doping (Ce and Dy) on the dielectric, magnetic and impedance studies was systematically investigated by LCR meter, Vibrating Sample Magnetometer and Impedance analyzer respectively at room temperature in the frequency range of 10 Hz to 10 kHz.

TL;DR: In this article, the magnetic properties of BaFe 11.9 Me 0.1 O 19 (Me = In 3 + and Ga 3 + ; x = 1.1 − 1.2 ) solid solutions have been investigated by time-of-flight neutron diffraction method.

TL;DR: In this article, the effect of rare earth Ce on the structural, morphological and magnetic properties of spinel ferrites has been investigated using FTIR, XRD, FESEM and VSM.

TL;DR: In this paper, a square open cavity filled with two different porous blocks under the influence of uniform horizontal magnetic field is numerically studied, where porous blocks of different thermal properties, permeability and porosity are located on the bottom wall.

TL;DR: In this article, nano-sized particles of BaCrxFe12−xO19 (0.0) hexaferrite were fabricated through citrate auto gel combustion process and the impact of Cr-ion substitution on ac magnetic susceptibility properties of Ba-hexaferrite was explored.

TL;DR: In this paper, the structural, optical and magnetic studies of three spinel ferrites were performed in an autoclave under the same physical conditions but with two different liquid medium and different surfactant.

TL;DR: In this paper, an exact analytical expression for the magnetic field of a cylinder of finite length with a uniform, transverse magnetization was derived, and validated against the well-known limits of an infinitely long cylinder, the field on the axis of the cylinder and in the far field limit.

TL;DR: In this paper, a correlation between magnetic interaction and lattice strain has been observed in Ca2+ substituted M-type barium hexaferrite, which could be due to decrease of magnetic exchange interaction (Fe-O-Fe) in the sample.

TL;DR: In this article, hot-press sintering of nanoparticles at temperature 925°C for 10min in vacuum atmosphere under 30MPa mechanical pressure was investigated by superconducting quantum interface device (SQUID) magnetometer at room temperature.

TL;DR: In this article, numerical studies are done to examine the effects of non-uniform magnetic field on the heat transfer of ferrofluid inside 90° elbow channel, where a single wire is chosen as a source of magnetic field in the center of the elbow.

TL;DR: In this article, the results of measuring the electrodynamic parameters of a material based on barium hexaferrite with various degrees of substitution were analyzed using the coaxial transmission line segment.

TL;DR: In this article, the influence of the Co-doping on their nanostructures, magnetic and electrochemical properties was studied. And the results showed that the Co doping contents caused a decreasing of specific capacitances and the capacity retention, except for the 5, 10, 20 and 30 µmol% of the nanoparticles.

TL;DR: In this article, an efficient superparamagnetic iron oxide-reduced graphene oxide (Fe 3 O 4 -RGO) nanohybrid has been synthesized following one-step co-precipitation method.

TL;DR: In this article, the influence of different sintering atmospheres and temperatures on physical properties of the Cu0.5Zn0.4 nanoparticles including the redistribution of Zn2+ and Fe3+ ions, the oxidation of Fe atoms in the lattice, crystallite sizes, IR bands, saturation magnetization and magnetic core sizes have been investigated.

TL;DR: In this paper, the relationship between the phosphate insulation coating microstructure and temperature resistance, corrosion resistance and magnetic properties of iron-based soft magnetic composites (SMCs) was investigated by using SEM, TEM/EDS and FTIR.

TL;DR: In this article, the authors demonstrate a novel method of extrusion-based 3D printing additive manufacturing of bonded magnets comprising 65vol% anisotropic composite powders of Dy-free magfine Nd-Fe-B and Sm -Fe-N in nylon.

TL;DR: In this paper, a combination of hollow microspheres of iron carbonyl (CI) and polyaniline (PANI) decorated with MWCNTs by a simple blending technique is presented.

TL;DR: In this article, the structural, electronic, magnetic and thermoelectric properties of newly synthesized perovskite Sr2HoNbO6 are carried out at the behest of much reliable density functional theory (DFT).

TL;DR: In this paper, a soft magnetic composite (SMC) has been prepared by powder metallurgy method with the Fe@Fe 3 O 4 powder of in situ surface oxidation.

TL;DR: In this article, the authors consider best practices in performing reliable and rapid magnetization measurements for proper characterization of magnetocaloric properties, using two well-known materials, elemental Gd and intermetallic Gd5Si2Ge2 as examples.

TL;DR: In this paper, the authors investigated the transition from natural convection to thermomagnetic convection by exploring situations where buoyancy and the Kelvin body force would be opposing each other such that the magnetic effects would in some cases be dominant factor throughout the domain and in other cases only in a part of the fluid.