Characterizations of epitaxial Bi(Mg1/2Ti1/2)O 3-Bi(Zn1/2Ti1/2)O3 solid solution films grown by pulsed laser deposition

Takahiro Oikawa, Shintaro Yasui, Takayuki Watanabe, Hisato Yabuta, Takeshi Kobayashi, Kaoru Miura, Hiroshi Funakubo

Research output: Contribution to journalArticle

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Abstract

(111)-oriented epitaxial (1 % x)Bi(Mg1/2Ti1/2)O 3-xBi(Zn1/2Ti1/2)O3 solid solution films were grown on (111)cSrRuO3/(111)SrTiO3 substrates by pulsed laser deposition, and their crystal structure and electrical properties were characterized. The solid solution films consisted of a perovskite single phase in the x range of 0-0.93. The coexistence region of rhombohedral and tetragonal phases was observed in the x range of 0.18-0.60, which differed from reported data for the powders synthesized at high temperatures and high pressures. The polarization-electric field hysteresis loops originating from ferroelectricity were observed at room temperature and 1kHz in the x range of 0-0.33, and the remanent polarization monotonously decreased with increasing x. The relative dielectric constant measured at room temperature and 100 kHz and the apparent piezoelectric constant evaluated by piezoresponse force microscopy at room temperature and 5Hz were maximum at approximately x = 0.14. These results suggest that these tendencies of the electrical and electromechanical properties were related to the volume fractions of the constituent phases in the solid solution films.

Original languageEnglish
Article number05FE06
JournalJapanese Journal of Applied Physics
Volume53
Issue number5 SPEC. ISSUE 1
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes

Fingerprint

Pulsed laser deposition
pulsed laser deposition
Solid solutions
solid solutions
room temperature
electrical properties
ferroelectricity
polarization
Ferroelectricity
Temperature
Remanence
tendencies
Hysteresis loops
hysteresis
Perovskite
permittivity
microscopy
Volume fraction
Microscopic examination
Electric properties

All Science Journal Classification (ASJC) codes

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

Cite this

Characterizations of epitaxial Bi(Mg1/2Ti1/2)O 3-Bi(Zn1/2Ti1/2)O3 solid solution films grown by pulsed laser deposition. / Oikawa, Takahiro; Yasui, Shintaro; Watanabe, Takayuki; Yabuta, Hisato; Kobayashi, Takeshi; Miura, Kaoru; Funakubo, Hiroshi.

In: Japanese Journal of Applied Physics, Vol. 53, No. 5 SPEC. ISSUE 1, 05FE06, 01.01.2014.

Research output: Contribution to journalArticle

Oikawa, Takahiro ; Yasui, Shintaro ; Watanabe, Takayuki ; Yabuta, Hisato ; Kobayashi, Takeshi ; Miura, Kaoru ; Funakubo, Hiroshi. / Characterizations of epitaxial Bi(Mg1/2Ti1/2)O 3-Bi(Zn1/2Ti1/2)O3 solid solution films grown by pulsed laser deposition. In: Japanese Journal of Applied Physics. 2014 ; Vol. 53, No. 5 SPEC. ISSUE 1.
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