Development and characterization of magnetic nanoparticles Co-=SUB=-1-x-=/SUB=-Zn-=SUB=-x-=/SUB=-Fe-=SUB=-2-=/SUB=-O-=SUB=-4-=/SUB=- (0≤ x≤0.6) for biomedical applications
نویسندگان
چکیده
The results of studies the properties co-deposition magnetic nanoparticles (MNPs) Co 1-x Zn x Fe 2 O 4 spinel ferrites synthesized (at x=0.0; 0.1; 0.2; 0.4; 0.6) in order to synthesize particles for biomedical applications. X-ray diffraction (XRD), raman spectra, measurements and Mossbauer spectroscopy (MS) were used study MNPs. It was found that MNPs are single-phase. According XRD measurements, it average sizes crystallites 13 nm CoFe (x=0) and, with an increase concentration, they decrease 7 (x=0.6), which is consistent data, showed vary from 14 8 nm. In spectra region ~620 cm -1 , splitting A 1g line observed, indicating studied have inverse structure. change ratio between intensities (1) (2) peaks indicative a significant redistribution 2+ 3+ cations tetrahedral andoctahedral positions as quantity increases, confirmed by data. small result strengthening effects size effect surface on structure layer. MS analysis has shown there layer MNP surface, different crystallite volume. With ions thickness this increases at x=0.6 particle becomes completely paramagnetic. 0.8 0.2 (x=0.2) inthe superparamagnetic state theirmagnetic blocking temperature ~315 K, most acceptable treatment cancer hyperthermia method. Keywords: Mn ferrites, structure, superparamagnetism, spectroscopy, materials biomedicine.
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ژورنال
عنوان ژورنال: Fizika tverdogo tela
سال: 2023
ISSN: ['0367-3294', '1726-7498']
DOI: https://doi.org/10.21883/pss.2023.03.55591.544