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Synthesis, structural characterization and magnetic properties of iron boride nanoparticles with or without silicon dioxide coating (CROSBI ID 160267)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Mustapić, Mislav ; Pajić, Damir ; Novosel, Nikolina ; Babić, Emil ; Zadro, Krešo ; Cindrić, Marina ; Horvat, Joseph ; Skoko, Željko ; Bijelić, Mirjana ; Shcherbakov, Andrey Synthesis, structural characterization and magnetic properties of iron boride nanoparticles with or without silicon dioxide coating // Croatica chemica acta, 83 (2010), 3; 275-282

Podaci o odgovornosti

Mustapić, Mislav ; Pajić, Damir ; Novosel, Nikolina ; Babić, Emil ; Zadro, Krešo ; Cindrić, Marina ; Horvat, Joseph ; Skoko, Željko ; Bijelić, Mirjana ; Shcherbakov, Andrey

engleski

Synthesis, structural characterization and magnetic properties of iron boride nanoparticles with or without silicon dioxide coating

Nanoparticles of iron boride (Fe2B, Fe2B coated in SiO2, FexCo2-xB coated in SiO2) were sythesized using the reduction of metal ions by sodium borohydride. X-ray diffraction confirms the amorphicity of the coated compounds and scanning electron microscope imaging revealed the nanoparticulated structure of all compounds. The splitting between zero-field-cooled and field- cooled temperature dependent magnetization curves point to the blocking of superparamagnetic particles magnetization. Magnetic hysteresis loops are however consistent with the combined effects of blocked superparamagnetic and ferromagnetic (multidomain) particles. The observed quite complex magnetic behaviour is in accordance with structural studies, where additional phases and broad distribution of particle sizes were identified.

Fe-B ; Fe-Co-B ; SiO2 coating ; magnetic nanoparticles ; amorphous alloy

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Podaci o izdanju

83 (3)

2010.

275-282

objavljeno

0011-1643

Povezanost rada

Fizika, Kemija

Poveznice
Indeksiranost