Growth of (111) one-axis-oriented bi(Mg1/2Ti1/2) O3films on (100)Si substrates

Takahiro Oikawa, Shintaro Yasui, Takayuki Watanabe, Koji Ishii, Yoshitaka Ehara, Hisato Yabuta, Takeshi Kobayashi, Tetsuro Fukui, Kaoru Miura, Hiroshi Funakubo

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Abstract

Films of a high-pressure perovskite phase, Bi(Mg1/2Ti 1/2)O3, were prepared on (111)c-oriented SuRuO 3-coated (111)Pt/TiO2/SiO2/(100)Si substrates. The perovskite Bi(Mg1/2Ti1/2)O3films had a (111) one-axis orientation, because their constituent grains were epitaxially grown on (111)c -oriented perovskite SrRuO3ones. The remanent polarization and piezoelectric constant measured at an applied electric field of 600 kV/cm were about 30°C/cm2 and 40 pm/V, respectively. A remarkable phase transition was not observed from room temperature to 350°C in a (111) one-axis-oriented Bi(Mg1/2Ti 1/2)O3film, suggesting that the Curie temperature of this film is above 350°C.

Original languageEnglish
Article number04CH09
JournalJapanese journal of applied physics
Volume52
Issue number4 PART 2
DOIs
Publication statusPublished - Apr 2013

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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    Oikawa, T., Yasui, S., Watanabe, T., Ishii, K., Ehara, Y., Yabuta, H., Kobayashi, T., Fukui, T., Miura, K., & Funakubo, H. (2013). Growth of (111) one-axis-oriented bi(Mg1/2Ti1/2) O3films on (100)Si substrates. Japanese journal of applied physics, 52(4 PART 2), [04CH09]. https://doi.org/10.7567/JJAP.52.04CH09