Synthesis of Cu and Ni chalcogenides and evaluation of their properties for electromagnetic wave absorption
作者： Meng Liu , Guocheng Lv , Guangyi Chen , Yangfan Qin , Peng Sun
DOI: 10.1039/C6RA21341C
关键词: Electromagnetic wave absorption 、 Bandwidth (signal processing) 、 Optoelectronics 、 Composite number 、 Reflection loss 、 Low frequency 、 Materials science 、 Microwave 、 Coaxial 、 Non-blocking I/O
摘要: Cu and Ni chalcogenides were synthesized by hydrothermal methods and characterized by XRD and SEM. Their properties on electromagnetic (EM) wave absorption were evaluated by a vector network analyzer with a coaxial measurement. For the Cu7. 2S4 and Cu2Se–paraffin systems, the peak for minimum reflection loss (RL) shifted from high frequency to low frequency as the thickness increases. At a thickness of 1.6 mm, the Cu7. 2S4–paraffin composite could achieve a RL value of− 36.60 dB at the absorption peak frequency (APF) of …
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