THE INVESTIGATION OF DIELECTRIC CHARACTERISTICS OF (Ba, Sr)TiO3 THIN FILMS IN MILLIMETER WAVELENGTH RANGE

The microwave electrodeless measuring techniques for the determination of the characteristics of the ferroelectric (Ba, Sr)TiO 3 thin films in the millimeter wavelength region were studied. The partialy filled cavity resonator based on the rectangular waveguide of Ka and V bands was theoretically an...

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Published inIntegrated ferroelectrics Vol. 86; no. 1; pp. 131 - 140
Main Authors KANG, CHONG-YUN, KARMANENKO, S. F., MIRONENKO, I. G., SEMENOV, A. A., DEDYK, A. I., IVANOV, A. A., BELJAVSKI, P. JU, PAVLOVA, U. V.
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.01.2006
Subjects
cavity resonators
dielectric loss factor
ferroelectric BST films
frequency dependence
planar varactors
sandwich topology
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Summary:The microwave electrodeless measuring techniques for the determination of the characteristics of the ferroelectric (Ba, Sr)TiO 3 thin films in the millimeter wavelength region were studied. The partialy filled cavity resonator based on the rectangular waveguide of Ka and V bands was theoretically and experimentally investigated. At the frequency around 90-100 GHz the technique of multiple signal reflections from the interface film/substrate was developed and implemented. As the result of microwave measurements of BST films the frequency dependence of dielectric loss factor was build up for the region 1-100 GHz, which had practically linear character.
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ISSN:1058-4587
1607-8489
DOI:10.1080/10584580601085271