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art aflalmeida dielectric permittivity

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Figure 1 Comparison of the XRD of the calcinated sample CCTO(C) and calcinated ‡ sintered sample (CCTOCS) with CCTO reference.
Figure 3 Comparison of the Infrared Spectra of the calcinated sample CCTO(C) and calcinated ‡ sintered sample CCTO(CS) with the starting materials.
Figure 7 (a) The microstrip antenna con®guration for modeling and analysis; (b) planar microstrip antenna on CCTO substrate for 3 GHz operation.
Figure 8 The resonant frequency of the microstrip antenna of sample P1, measured trough the S 11 parameter (return loss)

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