ELECTRON SPIN RESONANCE RESPONSE OF BaFe12O19 NANOPARTICLE EMBEDDED POLYDIVINYLBENZENE MAGNETIC FILM

Year 2016, Volume: 17 Issue: 4, 618 - 621, 01.12.2016

Sertan Kemal Akay , Ahmet Peksöz

https://doi.org/10.18038/aubtda.267022

Abstract

Electron spin resonance (ESR) spectra
of the produced BaFe₁₂O₁₉ nanoparticles embedded poly divinylbenzene
magnetic film were recorded depending on the ESR power. The ESR experiments
were performed at seven different power values from 0.01 to 10 mW. ESR signal
amplitude was observed to change exponentially with the applied ESR power. The ESR
values of the film were found to be at a microwave frequency of 9225 MHz and a
magnetic field of 296 mT. The effective gyromagnetic ratio, g_eff, of the film was
calculated by using the room temperature ESR data. It is concluded that the
produced magnetic film has a strong transitions of g_eff~2.23. The source of
the ESR signals are Fe³⁺ S-state ions belonging to BaFe₁₂O₁₉
nanoparticles.

Keywords

Electron spin resonance, Magnetic polymer film

References

• Li L, Chen K, Liu H, Tong G, Qian H, Hao B. Attractive microwave-absorbing properties of M-BaFe12O19 ferrite. J Alloy Compd 2013; 557: 11-17.
• Durmus Z, Baykal A, Sözeri H, Toprak MS. Preparation of PVP (Polyvinyl Pyrrolidone)/Ba-Sr Hexaferrites via gel to crystalline method. Synth React Inorg Me 2012; 42: 1390-1390.