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Various characterization techniques, such as X-ray diffraction (XRD), aluminum nuclear magnetic resonance (Al ... (ICP-OES), N2 adsorption–desorption, X-ray photoelectron spectra (XPS), and scanning ...
The absorber is composed of a perforated resistive film on a flexible polyethylene terephthalate (PET) substrate which is backed by a resistive ground plane. Broadband (60 GHz to 120 GHz) and ...