Plasmachemical synthesis and basic properties of CoFe2O4 magnetic nanoparticles


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Аннотация

Cobalt-ferrite (CoFe2O4) nanoparticles (CFNPs) are obtained using direct plasmachemical synthesis in the plasma of a low-pressure arc discharge. The formation of the CFNPs with an average size of 9 nm and a narrow granulometric composition is established employing the methods of X-ray structure analysis and transmission microscopy. The CFNP behavior upon high-temperature annealing is analyzed. The CFNP functional groups are determined using the infrared Fourier spectrum. The results of the X-ray energy dispersion confirm the correspondence of the ratio of the number of atoms of each material to the nominal stoichiometry. The basic magnetic properties of the obtained and annealed samples are investigated at room temperature using the vibrating spectrum magnetometry (VSM).

Авторлар туралы

A. Ushakov

Siberian Federal University; Reshetnev Siberian State Aerospace University

Хат алмасуға жауапты Автор.
Email: sfu-unesco@mail.ru
Ресей, Svobodnyi pr. 79/10, Krasnoyarsk, 660041; pr. Krasnoyarskii Rabochii, Krasnoyarsk, 660014

I. Karpov

Siberian Federal University; Reshetnev Siberian State Aerospace University

Email: sfu-unesco@mail.ru
Ресей, Svobodnyi pr. 79/10, Krasnoyarsk, 660041; pr. Krasnoyarskii Rabochii, Krasnoyarsk, 660014

A. Lepeshev

Siberian Federal University; Krasnoyarsk Scientific Center

Email: sfu-unesco@mail.ru
Ресей, Svobodnyi pr. 79/10, Krasnoyarsk, 660041; Akademgorodok 50/50, Krasnoyarsk, 660036

L. Fedorov

Siberian Federal University

Email: sfu-unesco@mail.ru
Ресей, Svobodnyi pr. 79/10, Krasnoyarsk, 660041

A. Shaikhadinov

Siberian Federal University

Email: sfu-unesco@mail.ru
Ресей, Svobodnyi pr. 79/10, Krasnoyarsk, 660041

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© Pleiades Publishing, Ltd., 2016