Title : An analysis of the magnetic properties of MxSn1-xOy nanocomposites in comparison.
Abstract:
Nanoscale semiconductors made of metal oxide, such as nanowires, nanoparticles, etc. are effectively used in solar cells, lithium batteries, gas sensing, magnetic data storage, microwave devices, and magnetic actuators. This study examined the magnetic properties of MxSn1−xOy. The hydrothermal method was used to synthesize (M/SnO2) nanocomposites, where x = 0.0, 0.5, and M present magnetic metals (Fe, Ni, Mn) and non-magnetic metals (Cu, Al). By integrating with Mn, the crystallite size of SnO2 increased, while mixing with Cu, Al, Fe, or Ni decreased it. The other doped metal ions exhibit better incorporation, but Al has the lowest ion for full acceptor incorporation into the SnO2 lattice, according to the energy dispersive X-ray analysis. When the magnetic field (H) is increased to 4 kG, SnO2 nanoparticles and Al/SnO2 nanocomposite show weak ferromagnetic behavior; However, as H is increased further, the samples show diamagnetic behavior. In contrast, the Cu/SnO2 nanocomposites display a diamagnetic trend in the magnetic field range of 0–20 kG, whereas the Fe/SnO2, Ni/SnO2, and Mn/SnO2 nanocomposites show a paramagnetic trend. For all MxSn1−xOy nanocomposites, the magnetic moment and saturated magnetization are increased, while the magnetic anisotropy and corrective field are reduced in comparison to SnO2 nanoparticles. Cu/SnO2 composites were suggested for catalytic and plastic deformation applications, while Fe/SnO2, Ni/SnO2, and Mn/SnO2 nanocomposites were suggested for magnetic imaging.
