Structural, microwave, and EMI shielding characteristics of double perovskite La2ZnTiO6 ceramics

This study delves into the structural, microwave, and EMI shielding properties of La2ZnTiO6 (LZTO) ceramics, a double perovskite material with a monoclinic structure. The research focuses on the synthesis, structural analysis, microstructure, microwave properties, and EMI shielding effectiveness of LZTO ceramics. The ceramics were synthesized using the conventional solid-state method and exhibit a pure perovskite monoclinic crystal symmetry with the P21/n space group. The average grain size of the sintered samples was found to be 2.23 micrometers. The study highlights the exceptional microwave properties of LZTO ceramics, with a quality factor (Q×f) value of 92,887 at 16.4 GHz. The ceramics also demonstrate superior EMI shielding capabilities, with a minimum reflection loss of -64.31 dB at 17.39 GHz. The research concludes that LZTO ceramics are promising candidates for high-frequency microwave switching, EMI shielding, and absorption applications in the Ku-band. The detailed analysis of the dielectric and magnetic properties, along with the impedance matching characteristics, makes this study a valuable resource for professionals interested in advanced materials for electronic and communication applications.