Sonochemically prepared nanosized BiFeO3 as novel SO2 sensor

Substitution driven structural and magnetic properties and evidence of spin phonon coupling in Sr-doped BiFeO3 nanoparticles

“…4 Among these multiferroics, BiFeO 3 is known to be the only room temperature multiferroic, which is a potential candidate for several applications in different elds such as electromagnetic wave attenuation, resistive switching, gas sensors, solar cells, oxygen photocatalytic and simultaneous multi-harmonic imaging of nanoparticles in tissues. [5][6][7][8][9] BiFeO 3 shows ferroelectricity (T C ¼ 826-845 C) and antiferromagnetism (T N ¼ 370 C) in single phase at room temperature and has rhombohedrally distorted perovskite structure with space group R3c, having rhombohedral lattice parameters a r ¼ 5.63Å, a r ¼ 59.35 , or alternatively, hexagonal parameters a hex ¼ 5.58Å, c hex ¼ 13.87Å. 4,5 In BiFeO 3 , ferroelectricity arises due to stereochemically active 6s 2 lone pair electrons of Bi 3+ ions and it is displacive-type ferroelectric material.…”

Structural Stability and Magnetic Ordering in BiFeO3 Perovskite Oxide: A Comparative Study GGA+U vs L(S)DA+U

“…The perovskite-type oxides ABO 3 have also a multifunctional application in different area such as Thermoelectricity, Ferroelectricity, Electricity, Superconductivity, Colossal magneto resistance, (Anti)-Ferromagnetism, Multiferroism, Piezoelectricity, Semiconductivity, Elasticity, Plasticity, Thermoelectricity, Mechanical-bending-induced, Thermodynamic stability and compatibility in mechanical properties. [21][22][23][24][25][26][27][28][29]. Multiferroic materials oxides have coupled electric, magnetic, or structural order parameters, as result ferroelectric, ferromagnetic, or ferroelastic behavior.…”

“…Bismuth ferrite (Iron) oxide BiFeO 3 is one of the very few multiferroic perovskite oxides, it has particular interesting. Much researcher on the synthesis of BiFeO 3 using different methods have been done of these solid-state [14], [15], mechano-chemical [14], [15], [16], solution chemistry method such as ions assisted controllable synthesis hydrothermal method [14], [18], [20], sonochemical [14], [21], solution-combustion method [14], [22], and soft chemical method [14], [23]. Most of mentioned procedures need high-temperature treatments (>800°C) and the appearance of second phase still the major issue of them [14], [24].…”

Effect of Preheating Temperature on Synthesis of Pure BiFeO3 via Sol–Gel Method

“…Much research on the synthesis of BiFeO 3 using different methods have been done. Of these, solid-state [12], mechano-chemical [13,14], solution chemistry methods such as Pechini method [15], precipitation/coprecipitation [16,17], sol-gel [18][19][20], alkali metal ions-assisted controllable synthesis hydrothermal method [21][22][23], sonochemical [24], solution-combustion method [25] and soft chemical method [26]. Most of the mentioned procedures need high-temperature treatments (>800 °C) and the appearance of second phases still the major issue of them [27].…”