Microwave Absorption;
Maximum Transmitted Power;
Electromagnetic Shield;
Microwave Characteristic;
Fast Switching Speed;
D O I:
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摘要:
The microwave characteristics of Pb1−xCaxFe0.5Nb0.5O3 multiferroics (x = 0.0, 0.4, 0.45, 0.5, 0.55, 0.6), have been investigated as a function of frequency and substitution. The results depict −13.99 dB reflection loss at 11.65 GHz in composition x = 0.6. Microwave absorption is enhanced with substitution of Ca2+ ions and undoped composition 0.0 behaves as electromagnetic shield. The model governing microwave absorption is discussed and different compositions for electromagnetic applications have been suggested.