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Browsing by Author Hoang, Ha

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  • Epitaxial-like growth of solution-processed PbZr0.4Ti0.6O3 thin film on single-crystal Nb-doped SrTiO3 substrate

    • Authors: Hoang, Ha; Bui, Nguyen Quoc Trinh (2017)

  • PbZr0.4Ti0.6O3 (PZT) thin films have been conventionally fabricated on traditional silicon substrates with a platinum bottom electrode; however, as a consequence of unit cell mismatch, the films are difficult to form as an epitaxial-like growth. Hence, PZT films deposited on single-crystal niobium doped SrTiO3(111) substrates (Nb:STO) are promising to solve this issue thanks to the similar perovskite structure between PZT and STO. Essentially, Nb:STO material is a conductor, playing a part in both bottom electrode and epitaxial substrate. In this work, 200-nm-thick PZT films were successfully fabricated on Nb:STO substrates by a solution process. One obtained that PZT(111) peak starte...
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  • Conference Paper

  • Investigation on solution-processed In-Si-O thin film transistor via spin-coating method

    • Authors: Hoang, Ha (2018)

  • In this work, we have explored optimum fabrication condition by a solution processing method for 3 at.% Si doped indium oxide thin-film transistors (TFTs). In-Si-O (ISO) thin films were investigated by X-ray reflectivity (XRR) and X-ray diffraction (XRD) techniques, and the operation of TFTs were characterized by a conventional three-probe method. XRR results suggested that as the annealing temperature increased, the film thickness decreased. In addition, according to XRD measurement, the ISO film started crystalline from 850 °C regardless the film thickness. The best ISO TFT showed the value of VT of –5 V, µ of 1.32 cm2/Vs, SS of 1 V/dec, and on/off current ratio about 10.

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Browsing by Author Hoang, Ha

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 2 of 2
  • 4244-97-8195-1-10-20180103.pdf.jpg
  • Article

  • Epitaxial-like growth of solution-processed PbZr0.4Ti0.6O3 thin film on single-crystal Nb-doped SrTiO3 substrate

    • Authors: Hoang, Ha; Bui, Nguyen Quoc Trinh (2017)

  • PbZr0.4Ti0.6O3 (PZT) thin films have been conventionally fabricated on traditional silicon substrates with a platinum bottom electrode; however, as a consequence of unit cell mismatch, the films are difficult to form as an epitaxial-like growth. Hence, PZT films deposited on single-crystal niobium doped SrTiO3(111) substrates (Nb:STO) are promising to solve this issue thanks to the similar perovskite structure between PZT and STO. Essentially, Nb:STO material is a conductor, playing a part in both bottom electrode and epitaxial substrate. In this work, 200-nm-thick PZT films were successfully fabricated on Nb:STO substrates by a solution process. One obtained that PZT(111) peak starte...
  • item.jpg
  • Conference Paper

  • Investigation on solution-processed In-Si-O thin film transistor via spin-coating method

    • Authors: Hoang, Ha (2018)

  • In this work, we have explored optimum fabrication condition by a solution processing method for 3 at.% Si doped indium oxide thin-film transistors (TFTs). In-Si-O (ISO) thin films were investigated by X-ray reflectivity (XRR) and X-ray diffraction (XRD) techniques, and the operation of TFTs were characterized by a conventional three-probe method. XRR results suggested that as the annealing temperature increased, the film thickness decreased. In addition, according to XRD measurement, the ISO film started crystalline from 850 °C regardless the film thickness. The best ISO TFT showed the value of VT of –5 V, µ of 1.32 cm2/Vs, SS of 1 V/dec, and on/off current ratio about 10.