Microwave absorption properties of conducting polymer composite with barium ferrite nanoparticles in 12.4–18GHz | Zendy

Anil Ohlan | Zendy; Kuldeep Singh | Zendy; Amita Chandra | Zendy; S.K. Dhawan | Zendy

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Microwave absorption properties of conducting polymer composite with barium ferrite nanoparticles in 12.4–18GHz

Author(s) -

Anil Ohlan,

Kuldeep Singh,

Amita Chandra,

S.K. Dhawan

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2969400

Subject(s) - materials science , barium ferrite , composite material , permittivity , composite number , microwave , nanoparticle , nanocomposite , ferrite (magnet) , polymer , dielectric loss , dielectric , electromagnetic shielding , permeability (electromagnetism) , polymerization , optoelectronics , nanotechnology , chemistry , membrane , biochemistry , physics , quantum mechanics

Conducting polymer nanocomposites of polyphenyl amine with barium ferrite nanoparticles (50–70nm) have been synthesized via emulsion polymerization. The complex permittivity, permeability, and microwave absorption properties of the composite were studied in the 12.4–18GHz (Ku band) frequency range. The composite has shown high shielding effectiveness due to absorption (SEA) of 28.9dB (∼99.9%), which strongly depends on dielectric loss, magnetic permeability, and volume fraction of barium ferrite nanoparticles. The high value of SEA suggests that these composites can be used as a promising radar absorbing materials.

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