Open Access
Glass-ceramic synthesis of cr-substituted strontium hexaferrite nanoparticles with enhanced coercivity
Lev A. Trusov
1, 2
,
Jingtong Duan
1
,
Evgeny A Gorbachev
1, 2, 3
,
Ekaterina S. Kozlyakova
4, 5
,
Evgeny O Anokhin
2, 3
,
Artem A Eliseev
2
,
Maxim A Karpov
2
,
Alexander V Vasiliev
2
,
Oleg A Brylev
1, 2, 3
,
Тип публикации: Journal Article
Дата публикации: 2021-04-05
scimago Q1
wos Q2
БС1
SJR: 0.811
CiteScore: 9.2
Impact factor: 4.3
ISSN: 20794991
PubMed ID:
33916445
General Chemical Engineering
General Materials Science
Краткое описание
Magnetically hard ferrites attract considerable interest due to their ability to maintain a high coercivity of nanosized particles and therefore show promising applications as nanomagnets ranging from magnetic recording to biomedicine. Herein, we report an approach to prepare nonsintered single-domain nanoparticles of chromium-substituted hexaferrite via crystallization of glass in the system SrO–Fe2O3–Cr2O3–B2O3. We have observed a formation of plate-like hexaferrite nanoparticles with diameters changing from 20 to 190 nm depending on the annealing temperature. We demonstrated that chromium substitution led to a significant improvement of the coercivity, which varied from 334 to 732 kA m−1 for the smallest and the largest particles, respectively. The results provide a new strategy for producing high-coercivity ferrite nanomagnets.
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Trusov L. A. et al. Glass-ceramic synthesis of cr-substituted strontium hexaferrite nanoparticles with enhanced coercivity // Nanomaterials. 2021. Vol. 11. No. 4. p. 924.
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Trusov L. A., Sleptsova A. E., Duan J., Gorbachev E. A., Kozlyakova E. S., Anokhin E. O., Eliseev A. A., Karpov M. A., Vasiliev A. V., Brylev O. A., Kazin P. E. Glass-ceramic synthesis of cr-substituted strontium hexaferrite nanoparticles with enhanced coercivity // Nanomaterials. 2021. Vol. 11. No. 4. p. 924.
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TY - JOUR
DO - 10.3390/nano11040924
UR - https://doi.org/10.3390/nano11040924
TI - Glass-ceramic synthesis of cr-substituted strontium hexaferrite nanoparticles with enhanced coercivity
T2 - Nanomaterials
AU - Trusov, Lev A.
AU - Sleptsova, Anastasia E
AU - Duan, Jingtong
AU - Gorbachev, Evgeny A
AU - Kozlyakova, Ekaterina S.
AU - Anokhin, Evgeny O
AU - Eliseev, Artem A
AU - Karpov, Maxim A
AU - Vasiliev, Alexander V
AU - Brylev, Oleg A
AU - Kazin, P. E.
PY - 2021
DA - 2021/04/05
PB - MDPI
SP - 924
IS - 4
VL - 11
PMID - 33916445
SN - 2079-4991
ER -
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@article{2021_Trusov,
author = {Lev A. Trusov and Anastasia E Sleptsova and Jingtong Duan and Evgeny A Gorbachev and Ekaterina S. Kozlyakova and Evgeny O Anokhin and Artem A Eliseev and Maxim A Karpov and Alexander V Vasiliev and Oleg A Brylev and P. E. Kazin},
title = {Glass-ceramic synthesis of cr-substituted strontium hexaferrite nanoparticles with enhanced coercivity},
journal = {Nanomaterials},
year = {2021},
volume = {11},
publisher = {MDPI},
month = {apr},
url = {https://doi.org/10.3390/nano11040924},
number = {4},
pages = {924},
doi = {10.3390/nano11040924}
}
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MLA
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Trusov, Lev A., et al. “Glass-ceramic synthesis of cr-substituted strontium hexaferrite nanoparticles with enhanced coercivity.” Nanomaterials, vol. 11, no. 4, Apr. 2021, p. 924. https://doi.org/10.3390/nano11040924.