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(Color online) X-ray diffraction scans of RuCo nanoparticles with showing diffraction peaks from hcp phase and MWCNTs. The solid vertical lines corresponding to pure hcp Ru and the dotted vertical line to pure hcp Co phases are drawn in (a) and for fcc phase of Co in (b).
(Color online) Lattice parameters (a) and (b) for the hcp phase of RuCo plotted as a function of Co compositions .
TEM images of CNT in RuCo samples.
(Color online) Room temperature magnetic hysteresis loops for the RuCo samples for various Co compositions.
Lattice parameters, magnetic moments, and particle sizes for RuCo compositions.
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