Structural and magnetic properties of Y b1−xPrxFeO3

Structural and magnetic properties of the polycrystalline Y b1−xPrxFeO3 (0≤x<10≤x<1) prepared via conventional solid state reaction have been investigated. Raman spectroscopy reveals the corresponding frequencies of most bands shift gradually to lower wavenumber with increasing xx due to the inflation of unit-cell after doping Pr ions. The bifurcation between zero field cooled (ZFC) and field cooled (FC) magnetization curves and a cusp in the ZFC curve at low temperature indicate glassy behavior. The cusp in the ZFC magnetization curve is just in the spin reorientation temperature range. It increases and broadens with the doping level xx. Magnetic hysteresis loops at various temperatures for typical samples are analyzed. The existence of hysteresis loops and unsaturated magnetization at high field suggest weak ferromagnetism. For Pr doped samples, the weak ferromagnetism nature enhances greatly.

► Y b1−xPrxFeO3 (0≤x<10≤x<1) polycrystalline are prepared via conventional solid state reaction.
► Raman spectra show the bands shift to lower wavenumber with increasing xx.
► The dc MM–TT curves reveal the glassy behaviors.
► The MM–HH loops and unsaturated magnetization suggest weak ferromagnetism.
► The weak ferromagnetism nature enhances greatly with the doping of Pr ions.