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Spectroscopic Characterization of BA(MG1/3TA2/3)O3 Dielectrics for the Application to Microwave Communication

The lattice vibrational modes of the BA(MG1/3TA2/3)O3 materials, possessing dielectric constants K = 22.2 – 25.5 and quality factor Q × f = 182,600 – 248,000 GHz, were characterized by Raman and FTIR spectroscopies. The high-Q materials possess sharpest vibrational modes, viz., smallest full-width-at-half-maximum (FWHM) value for Raman peaks and smallest damping coefficient γj value for FTIR peaks and vice versa.