61Ni NMR study of nickel nanoparticles: Nanoscale effect and magnetic state
A. Y. Germov
1
,
D Prokopev
1
,
M Uimin
1, 2
,
A.Y. Yermakov
1, 2
,
S Novikov
1
,
Aleksandr Konev
1
,
V.S Gaviko
1
,
A.S. Minin
1, 2
Publication type: Journal Article
Publication date: 2022-12-01
scimago Q2
wos Q2
SJR: 0.521
CiteScore: 5.1
Impact factor: 3.0
ISSN: 03048853, 18734766
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
The 61 Ni NMR spectra for Ni-based nanoparticles synthesized by the gas-phase method have been obtained. A nanoscale effect has been found in nickel nanoparticles, consisting in a change of the distribution of induced fields when the size of the nanoparticles decreases below a critical size of a single domain. It has been shown that this effect does not depend on the type of shell and is not associated with surface or interface defects. It is assumed that for particles smaller than the critical size, the shift of the hyperfine field is due to the demagnetizing field of single-domain particles. This shift decreases when an inhomogeneous magnetic structure occurs in larger particles.
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Mikhalev K. et al. 61Ni NMR study of nickel nanoparticles: Nanoscale effect and magnetic state // Journal of Magnetism and Magnetic Materials. 2022. Vol. 563. p. 169837.
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Mikhalev K., Germov A. Y., Prokopev D., Uimin M., Yermakov A., Novikov S., Konev A., Gaviko V., Minin A. 61Ni NMR study of nickel nanoparticles: Nanoscale effect and magnetic state // Journal of Magnetism and Magnetic Materials. 2022. Vol. 563. p. 169837.
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TY - JOUR
DO - 10.1016/j.jmmm.2022.169837
UR - https://linkinghub.elsevier.com/retrieve/pii/S0304885322007284
TI - 61Ni NMR study of nickel nanoparticles: Nanoscale effect and magnetic state
T2 - Journal of Magnetism and Magnetic Materials
AU - Mikhalev, Konstantin
AU - Germov, A. Y.
AU - Prokopev, D
AU - Uimin, M
AU - Yermakov, A.Y.
AU - Novikov, S
AU - Konev, Aleksandr
AU - Gaviko, V.S
AU - Minin, A.S.
PY - 2022
DA - 2022/12/01
PB - Elsevier
SP - 169837
VL - 563
SN - 0304-8853
SN - 1873-4766
ER -
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@article{2022_Mikhalev,
author = {Konstantin Mikhalev and A. Y. Germov and D Prokopev and M Uimin and A.Y. Yermakov and S Novikov and Aleksandr Konev and V.S Gaviko and A.S. Minin},
title = {61Ni NMR study of nickel nanoparticles: Nanoscale effect and magnetic state},
journal = {Journal of Magnetism and Magnetic Materials},
year = {2022},
volume = {563},
publisher = {Elsevier},
month = {dec},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0304885322007284},
pages = {169837},
doi = {10.1016/j.jmmm.2022.169837}
}