A green technology for producing barium ferrite (BaFe12O19) nanoparticles (BFNP’s) using Acorus Calamus rhizome extract was realized. To confirm the phase of magnetoplumbite structure without any impurities, the method of powder X-ray diffraction was performed using the Rietveld analysis and the FullProf program with the P63/mmc (No. 194) space group. Unit cell parameters were a = 5.8902(2) A and c = 23.2103(7) A. According to Scherrer’s calculations, the average crystallite size was from ∼  32 to ∼  35 nm. The results of scanning electron microscopy confirmed that synthesized BFNP’s are tightly packed and have an average grain size of ∼  70 nm. Raman and IR active modes predicted by group theory are observed at ∼  175 cm−1 and ∼  677 cm−1, which corresponds to the presence of a spinel structure and trigonal pyramidal position in barium hexaferrite. It was established that the spontaneous magnetization is ∼  52 emu/g and coercive force is ∼  440 mT at room temperature. In vitro studies were performed to evaluate the antifungal activity of BFNP’s against various plant pathogenic fungi, namely: Fusarium oxysporum, Alternaria alternata, Colletotrichum gloeosporioides and Marssonina rosae. The antifungal effect of BFNPs was determined for different phytopathogenic fungi at a multiple dose of 200 mg/L, 300 mg/L, 400 mg/L, 500 mg/L and 600 mg/L. The maximum inhibition of mycelial growth (76.67%) was detected at 600 mg/L against the growth of Fusarium oxysoporum mycelium. The data obtained show that BFNP’s synthesized using Acorus Calamus rhizome extract can be applied as a potential antifungal agent.

Synthesis of barium ferrite nanoparticles using rhizome extract of Acorus Calamus: Characterization and its efficacy against different plant phytopathogenic fungi

Recent advances in synthesis, characterization, and applications of nanoparticles for contaminated water treatment- A review

Effect of non-magnetic Al 3+ doping on structural, optical, electrical, dielectric and magnetic properties of BiFeO 3 ceramics

Shilpi Chandel

Papers

Effect of non-magnetic Al 3+ doping on structural, optical, electrical, dielectric and magnetic properties of BiFeO 3 ceramics

Investigation of structural, optical, dielectric and magnetic studies of Mn substituted BiFeO3 multiferroics

Low leakage current density and improved dielectric behavior of BiFexO3 nano-ceramics

Investigation of excess and deficiency of iron in BiFeO3