Photocurrent in Silic in Silicon/Barium Titanate/Nikel Structures
https://doi.org/10.35596/1729-7648-2024-22-5-12-16
Abstract
Photosensitive silicon/barium titanate/nickel structures with undoped barium titanate and doped europium were synthesized using the sol-gel method. The current-voltage characteristics were studied under illumination with a xenon lamp, highlighting a monochromatic line in the range of 400–800 nm and in dark mode. The synthesized structures showed the presence of a photocurrent on the reverse branch of the current-voltage characteristics over the entire studied range of illumination wavelengths. The maximum reverse branch current for a structure with undoped barium titanate was achieved when exposed to radiation with a wavelength of 470 nm and was about 0.6 μA for a bias voltage ranging from 2 to 10 V. Doping barium titanate with europium leads to an increase in the photocurrent by 17–26 %.
About the Authors
Yu. D. Karnilava
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Karnilava Yu. D., Postgraduate, Junior Researcher at the Scientific Research Laboratory “Nanophotonics” (Lab. 4.5)
Minsk
E. B. Chubenko
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Chubenko E. B., Cand. of Sci., Leading Researcher at the Scientific Research Laboratory “Materials and Structures of Nanoelectronics”
Minsk
N. V. Gaponenko
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Gaponenko Nikolai Vasil’evich, Dr. of Sci. (Phys. and Math.), Professor, Head of the Lab. 4.5
20013, Minsk, P. Brovki St., 6
Tel.: +375 17 293-88-75
References
1. Rzhanov A. V. (1949) Barium Titanate – a New Ferroelectric. Advances in Physical Sciences. 38 (4), 461–489 (in Russian).
2. Hoffmann S., Waser R. M. (1997) Dielectric Properties, Leakage Behaviour, and Resistance Degradation of Thin Films of the Solid Solution Series Ba(Ti1-yZry)O3. Integrated Ferroelectrics. 17 (1), 141–152. https://doi.org/10.1080/10584589708012989.
3. Pontes F. M., Lee E. J. H., Leite E. R., Longo E., Varela J. A. (2000) High Dielectric Constant of SrTiO3 Thin Films Prepared by Chemical Process. Journal of Materials Science. 35, 4783–4787. https://doi.org/10.1023/A:1004816611050.
4. Hirose S., Nakayama A., Niimi H., Kageyama K., Takagi H. (2008) Resistance Switching and Retention Behaviors in Polycrystalline La-doped SrTiO3 Ceramics Chip Devices. Journal of Applied Physics. 104 (5). https://doi.org/10.1063/1.2975316.
5. Lee W., Yoo S., Yoon K. J., Yeu I. W., Chang H. J., Choi J.-H., et al. (2016) Resistance Switching Behavior ofAtomic Layer Deposited SrTiO3 Film Through Possible Formation of Sr2Ti6O13 or Sr1Ti11O20 Phases. Scientific Reports. 6. https://doi.org/10.1038/srep20550.
6. Tarun M. C., Selim F. A., McCluskey M. D. (2013) Persistent Photoconductivity in Strontium Titanate. Physical Review Letters. 111. https://doi.org/10.1103/PhysRevLett.111.187403.
7. Petraru A., Schubert J., Schmid M., Buchal Ch. (2002) Ferroelectric BaTiO3 Thin-Film Optical Waveguide Modulators. Applied Physics Letters. 81, 1375–1377. https://doi.org/10.1063/1.1498151.
8. Tang P., Towner D. J., Hamano T., Meier A. L., Wessels B. W. (2004) Electrooptic Modulation up to 40 GHz in a Barium Titanate Thin Film Waveguide Modulator. Optics Express. 12, 5962–5967. https://doi.org/10.1364/OPEX.12.005962.
9. Gaponenko N. V., Staskov N. I., Sudnik L. V., Vityaz P. A., Luchanok A. R., Karnilava Y. D., et al. (2023) Upconversion Luminescence from Sol-Gel-Derived Erbium- and Ytterbium-doped BaTiO3 Film Structures and the Target Form. Photonics. 10 (4). https://doi.org/10.3390/photonics10040359.
10. Kholov P. A., Gaponenko N. V., Golosov D. A., Zavadski S. M., Kolosnitsin B. S., Ivanov V. A., et al. (2018) Photocurrent in Silicon/Strontium Titanate/Nickel Structures. Doklady BSUIR. (1), 19–24 (in Russian).
11. Anaraki H. S., Gaponenko N. V., Ivanov V. A. (2015) Photocurrent in Strontium Titanate Films on Silicon Substrates. Journal of Applied Spectroscopy. 82, 857–860. https://doi.org/10.1007/s10812-015-0194-9.
12. Gaponenko N. V., Kholov P. A., Sukalin K. S., Raichenok T. F., Tikhomirov S. A., Subasri R., et al. (2019) Optical Properties of Multilayer BaTiO3/SiO2 Film Structures Formed by the Sol–Gel Method. Physics of the Solid State. 61, 397–401. https://doi.org/10.1134/S1063783419030120 (in Russian).
Review
For citations:
Karnilava Yu.D., Chubenko E.B., Gaponenko N.V. Photocurrent in Silic in Silicon/Barium Titanate/Nikel Structures. Doklady BGUIR. 2024;22(5):12-16. (In Russ.) https://doi.org/10.35596/1729-7648-2024-22-5-12-16
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