Electrical resistivity of the Al18B4O33w/Co composite particles measured in compressed bulk specimens.
Ms and Hc of the Al18B4O33w/Co composite particles annealed in H2 atmosphere at various time durations (Ref. 17).
Effective electromagnetic properties of the Al18B4O33w/Co composite particles of different states, measured on VNA, (a) ε and (b) μ.
The calculated μi′ of Co coatings of different states (a) and their dependence on Ms at various frequencies (b).
Intrinsic μ′ of Co with various Ms calculated through Gilbert–Wallace equation.
Intrinsic (calculated) dependence on at some frequencies
SEM images of the Co coating on the Al18B4O33 whiskers (a) as deposited and (b) annealed in H2 for 60 min.
Static electrical and magnetic properties of the Al18B4O33w/CoFe composite particles (a) ρ, (b) Ms and Hc .
Morphology of the Al18B4O33w/CoFe composite powders (a) as prepared (b) annealed at 400 °C for 60 min.
Effective electromagnetic properties of the Al18B4O33w/CoFe composite particles of different states, measured on VNA, (a) ε and (b) μ.
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