  In this paper the synthesis and study of the structural, morphological,
electrical, magnetic and electronic properties of the LaBiFe2O6 novel material
are reported. The material was produced using the standard ceramic method. The
Rietveld analysis of experimental data of x-ray diffraction showed that it
synthesizes in an orthorhombic perovskite structure (Pnma, #62 space group).
Two types of grain, micro and submicrometric, with the LaBiFe2O6 stoichiometry
were identified by scanning electron microscopy and X-ray dispersive
spectroscopy. Results of electrical polarization and dielectric constant
ferroelectric suggest the occurrence of response of the material at room
temperature. A T=300 K the material is ferromagnetic and exhibits an anomaly at
T=258 K, which is attributed to anisotropy effects, suggesting the occurrence
of biferroic behaviour. Results of diffuse reflectance suggest a semiconductor
behaviour with energy gap Eg=2,17 eV, which is in agreement with calculations
of band structure and density of states for one spin orientation, while for the
other spin configuration calculations suggest a conductor feature.

Materials Science