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Fe-containing nanoparticles on the surface of silica microgranules

Yurkov, G. Yu ; Popkov, O. V. ; Koksharov, Yu A. ; Baranov, D. A. LU orcid and Gubin, S. P. (2006) In Inorganic Materials 42(8). p.877-882
Abstract

We have prepared nanomaterials consisting of SiO 2 microgranules and Fe-containing nanoparticles on their surface and determined the size and composition of the nanoparticles. The nanoparticles are shown to have a core-shell structure (α-Fe core and γ-Fe 2O 3 shell). The α-Fe core and Fe 2O 3 shell are responsible, respectively, for the broad and narrow lines in the EMR spectrum of the nanoparticles. The magnetic properties of larger nanoparticles are dominated by the core, while those of smaller nanoparticles are dominated by the oxide shell.

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author
; ; ; and
publishing date
type
Contribution to journal
publication status
published
in
Inorganic Materials
volume
42
issue
8
pages
6 pages
publisher
Pleiades Publishing
external identifiers
  • scopus:33748764151
ISSN
0020-1685
DOI
10.1134/S0020168506080140
language
English
LU publication?
no
id
a04c7d86-7216-48fb-b3a1-ebc307d9c858
date added to LUP
2023-01-20 21:25:22
date last changed
2023-02-15 02:41:25
@article{a04c7d86-7216-48fb-b3a1-ebc307d9c858,
  abstract     = {{<p>We have prepared nanomaterials consisting of SiO <sub>2</sub> microgranules and Fe-containing nanoparticles on their surface and determined the size and composition of the nanoparticles. The nanoparticles are shown to have a core-shell structure (α-Fe core and γ-Fe <sub>2</sub>O <sub>3</sub> shell). The α-Fe core and Fe <sub>2</sub>O <sub>3</sub> shell are responsible, respectively, for the broad and narrow lines in the EMR spectrum of the nanoparticles. The magnetic properties of larger nanoparticles are dominated by the core, while those of smaller nanoparticles are dominated by the oxide shell.</p>}},
  author       = {{Yurkov, G. Yu and Popkov, O. V. and Koksharov, Yu A. and Baranov, D. A. and Gubin, S. P.}},
  issn         = {{0020-1685}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{877--882}},
  publisher    = {{Pleiades Publishing}},
  series       = {{Inorganic Materials}},
  title        = {{Fe-containing nanoparticles on the surface of silica microgranules}},
  url          = {{http://dx.doi.org/10.1134/S0020168506080140}},
  doi          = {{10.1134/S0020168506080140}},
  volume       = {{42}},
  year         = {{2006}},
}