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The structural characterization of the samples was performed using X\u2010ray diffraction and scanning electron microscopy (SEM). The complex permittivity was calculated by the small perturbation theory using two resonant cavities (2.7\u2009GHz and 5.0\u2009GHz). Several classical models (Maxwell Garnett, Lichtenecker, effective medium theory (EMT), and Yamada) were used to fit the real part of the complex permittivity of the composite as a function of the weight fraction of CCTO powder inserted in the PVA matrix. The best predictions for the dielectric behavior of these samples were obtained with the EMT and Yamada models.<\/jats:p>","DOI":"10.1155\/2018\/6067519","type":"journal-article","created":{"date-parts":[[2018,12,2]],"date-time":"2018-12-02T23:33:47Z","timestamp":1543793627000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Microwave Dielectric Properties of CCTO\/PVA Composites"],"prefix":"10.1155","volume":"2018","author":[{"given":"M. P. F.","family":"Gra\u00e7a","sequence":"first","affiliation":[]},{"given":"K. D. A.","family":"Sab\u00f3ia","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1697-290X","authenticated-orcid":false,"given":"F.","family":"Amaral","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7666-4741","authenticated-orcid":false,"given":"L. 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