Effect of intensive mechanical activation on dielectric and magnetic properties of barium titanite
Tolstykh N. A. 1, Ievleva E. V. 1, Korotkov L. N. 1, Li Zh.2, Alexandrov A. A.2, Abdulvakhidov K. G.2
1Voronezh State Technical University, Voronezh, Russia
2Southern Federal University, Rostov-on-Don, Russia
Email: mad_nik@bk.ru, elenaz.86@mail.ru, l_korotkov@mail.ru, phys.kam@mail.ru, alea@sfedu.ru
The effect of mechanical action (The effect of mechanical action force action in a combination of shear strain (FASS)) on the dielectric permittivity (ε) and magnetic response of nanocrystalline barium titanate was studied. A noticeable increase in the saturation magnetization of the material as a result of PPS was found, which is associated with an increase in the dislocation density. Annealing at a temperature of 1300 oC of the original and PPS -treated samples leads to a significant increase in ε. However, the dielectric permittivity of the treated sample is lower in comparison with the initial one, which indicates a higher concentration of lattice defects in it. Keywords: shear deformations, lattice defects, weak magnetism, dielectric properties.
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