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Ferromagnetic resonance of cobalt nanoparticles used as a catalyst for the carbon nanotubes synthesis

Dr. Elshazly Mohamed Abbas
 

Abstract

Catalyst is considered to be the most crucial parameter for the growth of carbon nanotubes. In this work we study the ferromagnetic resonance (FMR) spectra of the catalyst nanoclusters. Moreover we report for the first time the angle FMR studies of catalyst particles with and without CNT layer. The Dependencies of the FMR spectra, X-ray diffraction (XRD) patterns, Raman spectra and morphology of the CNT layers on the growth conditions are discussed.






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