Magnetic properties of multi-walled carbon nanotubes modified with cobalt

Magnetic properties of multi‐walled carbon nanotubes (MWCNT) modified with cobalt were studied in detail in the temperature range (4.2–290) K. MWCNT which encapsulate Co nanoparticles were obtained using CVD methods. The low temperature SQUID magnetization measurements were supplemented by structura...

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Bibliographic Details
Published in:Materialwissenschaft und Werkstofftechnik 2011-01, Vol.42 (1), p.29-32
Main Authors: Grechnev, G.E., Desnenko, V.A., Fedorchenko, A.V., Panfilov, A.S., Prylutskyy, Y.I., Grybova, M.I., Matzui, L.Y., Ritter, U., Scharff, P., Kolesnichenko, Y.A.
Format: Article
Language:English
Subjects:
Chemical vapor deposition
Cobalt
CVD
Encapsulation
Hysterese
hysteresis
Magnetic properties
magnetic susceptibility
Magnetische Suszeptibilitat
Multi wall carbon nanotubes
MWCNT mit Kobalt
MWCNT with cobalt
Nanoparticles
SQUID
SQUIDs
Superconducting quantum interference devices
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Summary:Magnetic properties of multi‐walled carbon nanotubes (MWCNT) modified with cobalt were studied in detail in the temperature range (4.2–290) K. MWCNT which encapsulate Co nanoparticles were obtained using CVD methods. The low temperature SQUID magnetization measurements were supplemented by structural investigations with thermogravimetric analysis, HRTEM and SEM. Die magnetischen Eigenschaften von mit Kobalt‐modifizierten mehrwandigen Kohlenstoffnanoröhren (MWCNT) wurden im Detail in einem Temperaturbereich von 4,2 bis 290 K untersucht. Die MWCNT mit Kobalteinschlüssen wurden durch CVD Methoden erhalten. Die bei niedrigen Temperaturen gemessenen SQUID Magnetisierungen konnten durch Strukturuntersuchungen mit thermogravimetrischen Analysen und Rasterelektronenmessungen ergänzt werden.
ISSN:0933-5137
1521-4052
1521-4052
DOI:10.1002/mawe.201100725