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Technology of MISFET with SiO2/BaTiO3 System as a Gate Insulator

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Języki publikacji
EN
Abstrakty
EN
The properties of barium titanate (BaTiO3, BT), such as high dielectric constant and resistivity, allow it to find numerous applications in the field of microelectronics. In this work silicon metal-insulator-semiconductor field effect transistor (MISFET) structures with BaTiO3 thin films (containing La2O3 admixture) acting as gate insulator were investigated. The films were produced by means of radio frequency plasma sputtering (RF PS) of sintered BaTiO3 + La2O3 (2% wt.) target. In the paper transfer and output I-V, transconductance and output conductance characteristics of the obtained transistors are presented and discussed. Basic parameters of these devices, such as threshold voltage (VTH) are determined and discussed.
Rocznik
Tom
Strony
61--64
Opis fizyczny
Bibliogr. 12 poz., rys.
Twórcy
autor
autor
  • Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa st 75, 00-662 Warsaw, Poland, pfirek@elka.pw.edu.pl
Bibliografia
  • [1] J. Zhen, Z. Yue, G. Yousong, W. Sen, L. Lingfeng, X. Zhigang, and W. Yanbin, “Non-reducible BaTiO3-based dielectric ceramics for Ni-MLCC synthesized by soft chemical method”, Ceram. Int., vol. 32, no. 4, pp. 447–450, 2006.
  • [2] A. Rae, M. Chu, and V. Ganine, “Barium titanate-past, present and future”, Ceram. Trans., vol. 100, pp. 1–12, 1999.
  • [3] D.-G. Sun, Z. Liu, Y. Huang, S.-T. Ho, D. J. Towner, and B. W. Wessels, “Performance simulation for ferroelectric thin-film based waveguide electro-optic modulators”, Opt. Commun., vol. 255, no. 4–6, pp. 319–330, 2005.
  • [4] P. Tang, D. J. Towner, T. Hamano, A. L. Meier, and B. W. Wessels, “Electrooptic modulation up to 40 GHz in a barium titanate thin film waveguide modulator”, Opt. Expr., vol. 12, no. 24, pp. 5962–5967, 2004.
  • [5] D. L. Polla and L. F. Francis, “Ferroelectric thin films in micro- electromechanical systems applications”, MRS Bull., vol. 21, no. 7, pp. 59–65, 1996.
  • [6] V. M. Fuenzalida, M. E. Pilleux, and I. Eisele, “Adsorbed water on hydrothermal BaTiO3 films: work function measurements”, Vacuum, vol. 55, no. 1, pp. 81–83, 1999.
  • [7] L. Affleck and C. Leach, “Microstructures of BaTiO3 based PTC thermistors with Ca, Sr and Pb additions”, J. Eur. Ceram. Soc., vol. 25, no. 12, pp. 3017–3020, 2005.
  • [8] M. Kumar, S. Rani, M. C. Bhatnagar, and S. C. Roy, “Structure, ferroelectric and gas sensing properties of sol-gel derived (Ba, Sr)(Ti, Zr)O3 thin films”, Mater. Chem. Phys., vol. 107, no. 2–3, pp. 399–403, 2008.
  • [9] J. F. Scott, “Device physics of ferroelectric thin-film memories”, Jap. J. Appl. Phys., vol. 38, no. 4B, pp. 2272–2274, 1999.
  • [10] R. Ramesh, S. Aggarwal, and O. Auciello, “Science and technology of ferroelectric films and heterostructures for non-volatile fer- roelectric memories”, Mater. Sci. Eng., vol. 32, no. 6, pp. 191–236, 2001.
  • [11] T. Kuroiwa et al., “Dielectric properties of (BaxSr1−x)TiO3 thin films prepared by RF sputtering for dynamic random access memory ap- plication”, Jap. J. Appl. Phys., vol. 33, no. 9B, pp. 5187–5191, 1994.
  • [12] R. Thomas, D. C. Dube, M. N. Kamalasanan, and N. Deepak Kumar, “Electrical properties of sol-gel processed amorphous BaTiO3 thin films”, J. Sol-Gel Sci. Technol., vol. 16, no. 1–2, pp. 101–107, 1999.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BATA-0008-0007
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