Ferroelectric film mm-wave tripler for elevated power applications

Medvedeva, V. V.; Samoilova, T. B.; Mikhailov, A. K.; Platonov, Roman; Kozyrev, A. B.

doi:10.1109/piers.2017.8262038

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2018

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“…[1][2][3] One of the most prospective route of application of ferroelectrics (FE) at microwaves is a development of high-power devices. [4][5][6][7][8] However, the deviation of working parameters of FE tunable elements caused by the overheating due to the dissipation of MW power is a significant challenge. 9) The problem of the overheating of FE MW elements is partially caused by the poor thermal conductivity λ of the dielectric substrate.…”

Section: Introductionmentioning

confidence: 99%

Structural and microwave characterization of BaSrTiO₃ thin films deposited on semi-insulating silicon carbide

Tumarkin

Gagarin

Odinets

et al. 2018

Jpn. J. Appl. Phys.

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Thin ferroelectric barium strontium titanate (BST) layers of high structure quality have been grown for the first time directly on semi-insulating silicon carbide substrates by RF magnetron sputtering of a ceramic target. The structural and microwave properties of the films were substantially improved by an intermediate annealing of the layers during the growing process. Prepared under this approach, BST films have a well-formed crystal structure, which has a positive effect on their electrical properties, specifically on nonlinearity and dielectric losses. Planar capacitors based on these BST films demonstrate the best combination of high tunability and low losses for BST/SiC structures at microwaves.

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Section: Introductionmentioning

confidence: 99%

Structural and microwave characterization of BaSrTiO₃ thin films deposited on semi-insulating silicon carbide

Tumarkin

Gagarin

Odinets

et al. 2018

Jpn. J. Appl. Phys.

View full text Add to dashboard Cite

show abstract

Ferroelectric film mm-wave tripler for elevated power applications

Cited by 1 publication

References 7 publications

Structural and microwave characterization of BaSrTiO₃ thin films deposited on semi-insulating silicon carbide

Structural and microwave characterization of BaSrTiO₃ thin films deposited on semi-insulating silicon carbide

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Ferroelectric film mm-wave tripler for elevated power applications

Cited by 1 publication

References 7 publications

Structural and microwave characterization of BaSrTiO3 thin films deposited on semi-insulating silicon carbide

Structural and microwave characterization of BaSrTiO3 thin films deposited on semi-insulating silicon carbide

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Structural and microwave characterization of BaSrTiO₃ thin films deposited on semi-insulating silicon carbide

Structural and microwave characterization of BaSrTiO₃ thin films deposited on semi-insulating silicon carbide