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Effect of microstructure on the electromagnetic properties of Al18B4O33w/Co and Al18B4O33w/FeCo composite particles
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10.1063/1.4748050
/content/aip/journal/jap/112/5/10.1063/1.4748050
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/5/10.1063/1.4748050
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Electrical resistivity of the Al18B4O33w/Co composite particles measured in compressed bulk specimens.

Image of FIG. 2.
FIG. 2.

Ms and Hc of the Al18B4O33w/Co composite particles annealed in H2 atmosphere at various time durations (Ref. 17).

Image of FIG. 3.
FIG. 3.

Effective electromagnetic properties of the Al18B4O33w/Co composite particles of different states, measured on VNA, (a) ε and (b) μ.

Image of FIG. 4.
FIG. 4.

The calculated μi of Co coatings of different states (a) and their dependence on Ms at various frequencies (b).

Image of FIG. 5.
FIG. 5.

Intrinsic μ′ of Co with various Ms calculated through Gilbert–Wallace equation.

Image of FIG. 6.
FIG. 6.

Intrinsic (calculated) dependence on at some frequencies

Image of FIG. 7.
FIG. 7.

SEM images of the Co coating on the Al18B4O33 whiskers (a) as deposited and (b) annealed in H2 for 60 min.

Image of FIG. 8.
FIG. 8.

Static electrical and magnetic properties of the Al18B4O33w/CoFe composite particles (a) ρ, (b) Ms and Hc .

Image of FIG. 9.
FIG. 9.

Morphology of the Al18B4O33w/CoFe composite powders (a) as prepared (b) annealed at 400 °C for 60 min.

Image of FIG. 10.
FIG. 10.

Effective electromagnetic properties of the Al18B4O33w/CoFe composite particles of different states, measured on VNA, (a) ε and (b) μ.

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/content/aip/journal/jap/112/5/10.1063/1.4748050
2012-09-10
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of microstructure on the electromagnetic properties of Al18B4O33w/Co and Al18B4O33w/FeCo composite particles
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/5/10.1063/1.4748050
10.1063/1.4748050
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