Chemical Synthesis of Cobalt Nanowires in an External Magnetic Field and Their Characterization by NMR

The possibility of measuring the degree of fixing (pinning force) of domain walls in cobalt nanowires by the NMR spin-echo method under the action of an additional magnetic video-pulse on a two-pulse echo is demonstrated. This method can be used for NMR estimation of the pinning force of domain wall...

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Bibliographic Details
Published inJournal of applied spectroscopy Vol. 91; no. 1; pp. 21 - 24
Main Authors Mamniashvili, G. I., Gegechkori, T. O., Zedginidze, T. I., Petriashvili, T. G., Janjalia, M. V., Gavasheli, T. A., Kezerashvili, R. Ya
Format Journal Article
LanguageEnglish
Published New York Springer US 01.03.2024
Springer Nature B.V
Subjects
Analytical Chemistry
Atomic/Molecular Structure and Spectra
Chemical synthesis
Cobalt
Coercivity
Domain walls
Magnetic fields
Nanowires
NMR
Nuclear magnetic resonance
Permanent magnets
Physics
Physics and Astronomy
Pinning
Rare earth elements
Ultrasonic testing
NMR
chemical deposition
nanopowder
cobalt
magnetic video-pulse
spin-echo
nanowire
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Summary:The possibility of measuring the degree of fixing (pinning force) of domain walls in cobalt nanowires by the NMR spin-echo method under the action of an additional magnetic video-pulse on a two-pulse echo is demonstrated. This method can be used for NMR estimation of the pinning force of domain walls and the coercive force of cobalt nanowires to optimize their chemical synthesis in an external magnetic field for potential use in rare-earth-free permanent magnets, sensors, and other applications.
ISSN:0021-9037
1573-8647
DOI:10.1007/s10812-024-01685-0