High microwave permittivity of multiwalled carbon nanotube composites
J Wu, L Kong - Applied physics letters, 2004 - pubs.aip.org
Complex permittivity spectra of the multiwalled carbon nanotube (MWNT)-epoxy composites
with mass concentrations up to 25.9% were measured from 10 MHz to 20 GHz. The
composites exhibit high real and imaginary relative permittivities over broad bandwidth,
showing strong dependence on the MWNT loading. It is observed that distinct resonance
takes place at∼ 1.5 GHz, with the corresponding resonant frequency shifts downward as the
MWNT concentration increases. The origin of the dielectric properties is explained in terms …
with mass concentrations up to 25.9% were measured from 10 MHz to 20 GHz. The
composites exhibit high real and imaginary relative permittivities over broad bandwidth,
showing strong dependence on the MWNT loading. It is observed that distinct resonance
takes place at∼ 1.5 GHz, with the corresponding resonant frequency shifts downward as the
MWNT concentration increases. The origin of the dielectric properties is explained in terms …
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