Synthesis, magnetic and electrical properties of Fe-containing SiO2 nanocomposite

Synthesis, microstructure and magnetic properties of Fe3Si0.7Al0.3@SiO2 core–shell particles and Fe3Si/Al2O3 soft magnetic composite core

“…Besides, silica coating techniques have been also used to prepared soft magnetic composites [14][15][16]. SiO 2 is commonly used as surfaced shell of magnetic core-shell nanoparticles because of its good chemical inertness, high suspension stability and non-toxicity [16][17][18][19][20][21][22][23][24]. In recent years, silica-coated iron particles have also been investigated as a novel kind of SMCs by many researchers [9,14,15], while few studies have been carried out for the FeSiAl-based soft magnetic materials.…”

Synthesis of monodisperse Fe@SiO 2 core‐shell nanocapsules and investigation of their magnetic behaviour

“…The Fe@SiO 2 /polymer nanocomposites have higher magnetodielectric properties [dielectric permittivity ( ɛ ), dielectric loss (tan δ ), magnetic permeability ( μ )] at radio frequencies (1 MHz–1 GHz), renders it as a good candidate for dielectric applications [7]. The Fe@SiO 2 nanoparticles exhibit superferromagnetism properties, renders it as a good candidate for microelectronics applications [5, 8]. In addition, nanoscale zero‐valent iron (NZVI) nanocomposites are well‐known for their application in environmental fields due to their small particle size, large surface area and high in situ reactivity.…”

“…The most widely reported method is to coat the nanoparticles with a protective shell to form core-shell nanocomposites. The materials of protective shell include silica [4][5][6][7][8][9][10], carbon [11,12], titanium oxide [13,14], polymers [15] etc. The core-shell nanocomposites have many potential applications, such as drug delivery, bioimaging, catalytic, electronic, microwave absorbents and environmental remediation [16][17][18][19][20][21].…”

Preparation and Characterization of Fe/SiO_{2} Powder Composites Using Impregnation Method

“…[2], while as inorganic insulation mostly the FePO 4 , MgO and SiO 2 are applied, e.g. [3][4][5][6]. This paper deals with the eect of the shape of iron particles on continuity and distribution of insulating layer in the Fe/SiO 2 composites prepared by VPI with shellac and/or SL450 thermoset, as well as by mixing the Fe/SiO 2 powder with shellac.…”