Controlled Oxidation of Cobalt Nanoparticles to Obtain Co/CoO/Co3O4 Composites with Different Co Content-Reference-Cited by-同舟云学术

Controlled Oxidation of Cobalt Nanoparticles to Obtain Co/CoO/Co3O4 Composites with Different Co Content

Published:2022-07-22 Issue:15 Volume:12 Page:2523
ISSN:2079-4991
Container-title:Nanomaterials
language:en
Short-container-title:Nanomaterials

Author:

Lozhkomoev Aleksandr S.,Pervikov Alexander V.^ORCID,Kazantsev Sergey O.,Suliz Konstantin V.,Veselovskiy Roman V.^ORCID,Miller Andrey A.,Lerner Marat I.

Abstract

The paper studies patterns of interaction of electroexplosive Co nanoparticles with air oxygen during heating. The characteristics of Co nanoparticles and composite Co/CoO/Co3O4 nanoparticles formed as a result of oxidation were studied using transmission electron microscopy, X-ray phase analysis, thermogravimetric analysis, differential scanning calorimetry, and vibrating sample magnetometry. It was established that nanoparticles with similar morphology in the form of hollow spheres with different content of Co, CoO, and Co3O4 can be produced by varying oxidation temperatures. The influence of the composition of composite nanoparticles on their magnetic characteristics is shown.

Funder

Russian Science Foundation

Publisher

MDPI AG

Subject

General Materials Science,General Chemical Engineering

Link

https://www.mdpi.com/2079-4991/12/15/2523/pdf

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