电邮这篇文章 Synthesis, Magnetic Properties, and Relaxivity of CoFe@C and NiFe@C Nanocomposites
- 作者: Byzov I.V.1,2, Mysik A.A.1, Konev A.S.1,3, Novikov S.I.1, Yermakov A.Y.1,2,3, Uimin M.A.1,2,3, Minin A.S.1,2,3, Gaviko V.S.1
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隶属关系:
- Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
- Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences
- Ural Federal University Named after the First President of Russia B.N. Yeltsin
- 期: 卷 120, 编号 3 (2019)
- 页面: 254-259
- 栏目: Electrical and Magnetic Properties
- URL: https://bakhtiniada.ru/0031-918X/article/view/168346
- DOI: https://doi.org/10.1134/S0031918X19030037
- ID: 168346
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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.
作者简介
I. Byzov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108; Perm, 614081
A. Mysik
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
A. Konev
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108; Ekaterinburg, 620002
S. Novikov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
A. Yermakov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108; Perm, 614081; Ekaterinburg, 620002
M. Uimin
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin
编辑信件的主要联系方式.
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108; Perm, 614081; Ekaterinburg, 620002
A. Minin
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108; Perm, 614081; Ekaterinburg, 620002
V. Gaviko
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: uimin@imp.uran.ru
俄罗斯联邦, Ekaterinburg, 620108
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