Study on Enhancement of Microwave Absorption Properties on Modified Kapton Film by Ion Implantation Process

The goal of this study is to use ions like iron (Fe) or Gadolinium (Gd) to change Kapton-polyimide films and evaluate the relationship between phase existence, magnetic characteristics, and microwave absorption. Ion implantation of Fe and Gd ions at a dose of 1 1017 ions/cm2 and energy ions of 30 keV were used to modify Kapton-polyimide sheets. The existence of phases such as iron oxide, or Gd-oxide, and graphitic Carbon was confirmed by X-ray diffraction (XRD). The films have a paramagnetic characteristic when measured with a Vibrating Sample Magnetometer (VSM). The parameters of microwave absorption (MWA) in the X band spectrum were measured using a Vector Network Analyzer (VNA) (8-12GHz). The MWA of modified Kapton film by Fe and Gd ions was increased from -22dB for Kapton original film to -35dB for S11 vector direction and up to -40dB for S22 vector direction, according to VNA measurements. It may be deduced that the nanostructure of implanted Fe-oxide or Gd-oxide nanoparticles on the Kapton film’s near-surface has a role in determining the film’s MWA capabilities.

Author(S) Details

S. Purwanto
Centre for Science and Technology of Advance Materials-BATAN, Puspiptek, Serpong 15314, Tangerang Selatan, Banten Province, Indonesia.

A. A. Wisnu
Centre for Science and Technology of Advance Materials-BATAN, Puspiptek, Serpong 15314, Tangerang Selatan, Banten Province, Indonesia.

Yana Taryana
Research Center for Electronics and Telecomunication –LIPI, Bandung Indonesia.

E. Sukirman
Centre for Science and Technology of Advance Materials-BATAN, Puspiptek, Serpong 15314, Tangerang Selatan, Banten Province, Indonesia.

View Book:- https://stm.bookpi.org/RTCPS-V3/article/view/4499

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