Modified relations for calculating the dielectric constant of barium–strontium titanate nanofilms

Modified relations for calculating the dielectric constant of barium–strontium titanate nanofilms

The results of measuring the capacitances of planar capacitors are used to calculate the dielectric constants of barium–strontium titanate nanofilms. An expression is derived to calculate an adjustable coefficient to obtain adequate dielectric constants for 20-nm-thick ferroelectric films. The field...

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Veröffentlicht in:Technical physics 2016-08, Vol.61 (8), p.1220-1224
Hauptverfasser: Esipov, Yu. V., Mukhortov, V. M., Biryukov, S. V., Mamatov, A. A., Masychev, S. I.
Format: Artikel
Sprache:eng
Schlagworte:
Barium
Capacitors
Classical and Continuum Physics
Electric properties
Physics
Physics and Astronomy
Solid State
Strontium
Strontium compounds
Thin films
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Zusammenfassung:The results of measuring the capacitances of planar capacitors are used to calculate the dielectric constants of barium–strontium titanate nanofilms. An expression is derived to calculate an adjustable coefficient to obtain adequate dielectric constants for 20-nm-thick ferroelectric films. The field of applicability of the adjustable coefficient is determined.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784216080090