FMR Study of Superparamagnetic Ni Particles with Weak and Strong Magnetic Anisotropy Full article
Journal |
Applied Magnetic Resonance
ISSN: 0937-9347 , E-ISSN: 1613-7507 |
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Output data | Year: 2005, Volume: 29, Number: 2, Pages: 231-249 Pages count : 19 DOI: 10.1007/BF03167011 | ||||
Tags | Magnetic Anisotropy; Layered Double Hydroxide; Nickel Particle; Superparamagnetic Particle; Electron Spin Resonance | ||||
Authors |
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Affiliations |
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Funding (2)
1 | Siberian Branch of the Russian Academy of Sciences | 33 |
2 | Russian Foundation for Basic Research | 02-03-33322 |
Abstract:
The method of ferromagnetic resonance (FMR) was used to study the process of thermal decomposition of the layered double hydroxides of lithium-aluminum and nickel-aluminum with intercalated EDTA complexes of nickel. The magnetic resonance spectra of nickel superparamagnetic nanoparticles were recorded at two temperatures (300 and 77 K). A computer simulation of FMR spectra was based on a modified statistic model which assumes the resonance of single-domain particles randomly oriented in an amorphous matrix. It is suggested that the line of the magnetic resonance of superparamagnetic particles narrows due to effects similar to those of dynamic narrowing in electron spin resonance and nuclear magnetic resonance spectra. In the framework of the model used, a fairly good agreement was achieved between calculated and experimental data. The formation of the two types of particles with strong (about 2·106 erg/cm3) and weak (about 2·105 erg/cm3) effective magnetic anisotropy was established.
Cite:
Yulikov M.M.
, Purtov P.A.
FMR Study of Superparamagnetic Ni Particles with Weak and Strong Magnetic Anisotropy
Applied Magnetic Resonance. 2005. V.29. N2. P.231-249. DOI: 10.1007/BF03167011 WOS Scopus РИНЦ
FMR Study of Superparamagnetic Ni Particles with Weak and Strong Magnetic Anisotropy
Applied Magnetic Resonance. 2005. V.29. N2. P.231-249. DOI: 10.1007/BF03167011 WOS Scopus РИНЦ
Dates:
Submitted: | Jun 16, 2004 |
Accepted: | Sep 30, 2004 |
Published print: | Jun 1, 2005 |
Identifiers:
Web of science | WOS:000233730000008 |
Scopus | 2-s2.0-28844475560 |
Elibrary | 13489703 |
Chemical Abstracts | 2006:512270 |
Chemical Abstracts (print) | 146:328703 |
OpenAlex | W2082167706 |