Synthesis, Magnetic Properties, and Relaxivity of CoFe@C and NiFe@C Nanocomposites
Publication type: Journal Article
Publication date: 2019-03-01
scimago Q3
wos Q3
SJR: 0.274
CiteScore: 1.7
Impact factor: 1.0
ISSN: 0031918X, 15556190
Materials Chemistry
Condensed Matter Physics
Abstract
Core–shell CoFe@C and NiFe@C nanocomposites were prepared by gas-condensation synthesis. CoFe@C and NiFe@C particles had bcc and fcc cores, respectively. The treatment of these nanocomposites with hydrochloric acid revealed that they are more chemically stable than Fe@C composites. The maximum specific magnetization of CoFe@C and NiFe@C nanocomposites at room temperature in the field with a strength of 27 kOe was 125 and 58 G cm3/g, respectively. The processes of longitudinal and transverse relaxation of nuclear proton spins of aqueous suspensions of nanocomposites in various magnetic fields (0.5, 1, and 2 kOe) were studied. NiFe@C and CoFe@C nanocomposites have high transverse relaxivity values and can be used as magnetic markers for detection of low concentrations of bioobjects by NMR relaxometry.
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Byzov I. V. et al. Synthesis, Magnetic Properties, and Relaxivity of CoFe@C and NiFe@C Nanocomposites // Physics of Metals and Metallography. 2019. Vol. 120. No. 3. pp. 254-259.
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Byzov I. V., Mysik A., Konev A. S., Novikov S., Yermakov A., Uimin M. A., Minin A. S., Gaviko V. S. Synthesis, Magnetic Properties, and Relaxivity of CoFe@C and NiFe@C Nanocomposites // Physics of Metals and Metallography. 2019. Vol. 120. No. 3. pp. 254-259.
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TY - JOUR
DO - 10.1134/S0031918X19030037
UR - https://doi.org/10.1134/S0031918X19030037
TI - Synthesis, Magnetic Properties, and Relaxivity of CoFe@C and NiFe@C Nanocomposites
T2 - Physics of Metals and Metallography
AU - Byzov, I V
AU - Mysik, A.A.
AU - Konev, A S
AU - Novikov, S.I
AU - Yermakov, A.Ye.
AU - Uimin, M A
AU - Minin, A S
AU - Gaviko, V S
PY - 2019
DA - 2019/03/01
PB - Pleiades Publishing
SP - 254-259
IS - 3
VL - 120
SN - 0031-918X
SN - 1555-6190
ER -
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BibTex (up to 50 authors)
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@article{2019_Byzov,
author = {I V Byzov and A.A. Mysik and A S Konev and S.I Novikov and A.Ye. Yermakov and M A Uimin and A S Minin and V S Gaviko},
title = {Synthesis, Magnetic Properties, and Relaxivity of CoFe@C and NiFe@C Nanocomposites},
journal = {Physics of Metals and Metallography},
year = {2019},
volume = {120},
publisher = {Pleiades Publishing},
month = {mar},
url = {https://doi.org/10.1134/S0031918X19030037},
number = {3},
pages = {254--259},
doi = {10.1134/S0031918X19030037}
}
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Byzov, I. V., et al. “Synthesis, Magnetic Properties, and Relaxivity of CoFe@C and NiFe@C Nanocomposites.” Physics of Metals and Metallography, vol. 120, no. 3, Mar. 2019, pp. 254-259. https://doi.org/10.1134/S0031918X19030037.
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