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10.3390/ma16145171
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Article

Porous PZT Films: How Can We Tune Electrical Properties?

by
Liubov Delimova
1,
Dmitry Seregin
2,
Georgy Orlov
2,
Nina Zaitseva
1,
Ekaterina Gushchina
1,
Alexander Sigov
2 and
Konstantin Vorotilov
2,*
1
Ioffe Institute, 194021 Saint-Petersburg, Russia
2
SEC “Technological Center”, MIREA—Russian Technological University (RTU MIREA), 119454 Moscow, Russia
*
Author to whom correspondence should be addressed.
Materials 2023, 16(14), 5171; https://doi.org/10.3390/ma16145171
Submission received: 3 July 2023 / Revised: 18 July 2023 / Accepted: 20 July 2023 / Published: 22 July 2023
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Abstract

Porous ferroelectric lead zirconate titanate (PZT) films are a promising material for various electronic applications. This study focuses on understanding how the structure-directing agent, polyvinylpyrrolidone, can alter the structure and electrical properties of porous PZT films prepared through chemical solution deposition. Films with various porosities of up to ~40 vol.% and pore connectivities from 3-0 to 3-3 were prepared and studied by capacitance–voltage, dielectric hysteresis, transient current, photocurrent, and local current techniques. We have found that a linear decrease in material volume in a porous film is not the only factor that determines film properties. The creation of new internal grain boundaries plays a key role in changing electrical properties. This research expands the understanding of physical phenomena in porous ferroelectric films and may facilitate the development of new materials and devices.
Keywords: ferroelectric film; lead zirconate titanate; chemical solution deposition; porosity; polarization; porous boundary; local current ferroelectric film; lead zirconate titanate; chemical solution deposition; porosity; polarization; porous boundary; local current

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MDPI and ACS Style

Delimova, L.; Seregin, D.; Orlov, G.; Zaitseva, N.; Gushchina, E.; Sigov, A.; Vorotilov, K. Porous PZT Films: How Can We Tune Electrical Properties? Materials 2023, 16, 5171. https://doi.org/10.3390/ma16145171

AMA Style

Delimova L, Seregin D, Orlov G, Zaitseva N, Gushchina E, Sigov A, Vorotilov K. Porous PZT Films: How Can We Tune Electrical Properties? Materials. 2023; 16(14):5171. https://doi.org/10.3390/ma16145171

Chicago/Turabian Style

Delimova, Liubov, Dmitry Seregin, Georgy Orlov, Nina Zaitseva, Ekaterina Gushchina, Alexander Sigov, and Konstantin Vorotilov. 2023. "Porous PZT Films: How Can We Tune Electrical Properties?" Materials 16, no. 14: 5171. https://doi.org/10.3390/ma16145171

APA Style

Delimova, L., Seregin, D., Orlov, G., Zaitseva, N., Gushchina, E., Sigov, A., & Vorotilov, K. (2023). Porous PZT Films: How Can We Tune Electrical Properties? Materials, 16(14), 5171. https://doi.org/10.3390/ma16145171

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