BaTiO3 nanocube and assembly to ferroelectric supracrystals

Kazumi Kato, Ken Ichi Mimura, Feng Dang, Hiroaki Imai, Satoshi Wada, Minoru Osada, Hajime Haneda, Makoto Kuwabara

Research output: Contribution to journalReview article

17 Citations (Scopus)

Abstract

New strategies for materials fabrication are of fundamental importance in the advancement of science and technology. Nanocrystals, especially with an anisotropic shape such as cubic, are candidates for building blocks for new bottom-up approaches to materials assembly, yielding a functional architecture. Such materials also receive attention because of their intrinsic size-dependent properties and resulting applications. Here, we report synthesis and characteristics of BaTiO3 and SrTiO3 nanocubes and the ordered assemblies as ferroelectric supracrystals. BaTiO3 and SrTiO3 nanocubes with narrow size distributions were obtained in an aqueous process. BaTiO3 films made up of ordered nanocube assemblies were fabricated on various substrates by evaporation-induced self-assembly method. Regardless of the substrate, the nanocubes exhibited {100} orientations and a high degree of face-to-face ordering, which remained even after heat treatment at 850 °C. Piezoresponse force microscopy was carried out on the supracrsytal films to obtain plots of the d 33 piezoelectric coefficient against the poling field, and ferroelectric hysteresis curves were shown.

Original languageEnglish
Pages (from-to)2932-2945
Number of pages14
JournalJournal of Materials Research
Volume28
Issue number21
DOIs
Publication statusPublished - 2013 Nov 1

Fingerprint

assemblies
Ferroelectric materials
assembly
self assembly
nanocrystals
heat treatment
plots
hysteresis
evaporation
Substrates
microscopy
Nanocrystals
Self assembly
fabrication
Hysteresis
Microscopic examination
Evaporation
curves
coefficients
synthesis

Keywords

  • ferroelectricity
  • nanostructure
  • self-assembly

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Kato, K., Mimura, K. I., Dang, F., Imai, H., Wada, S., Osada, M., ... Kuwabara, M. (2013). BaTiO3 nanocube and assembly to ferroelectric supracrystals. Journal of Materials Research, 28(21), 2932-2945. https://doi.org/10.1557/jmr.2013.299

BaTiO3 nanocube and assembly to ferroelectric supracrystals. / Kato, Kazumi; Mimura, Ken Ichi; Dang, Feng; Imai, Hiroaki; Wada, Satoshi; Osada, Minoru; Haneda, Hajime; Kuwabara, Makoto.

In: Journal of Materials Research, Vol. 28, No. 21, 01.11.2013, p. 2932-2945.

Research output: Contribution to journalReview article

Kato, K, Mimura, KI, Dang, F, Imai, H, Wada, S, Osada, M, Haneda, H & Kuwabara, M 2013, 'BaTiO3 nanocube and assembly to ferroelectric supracrystals', Journal of Materials Research, vol. 28, no. 21, pp. 2932-2945. https://doi.org/10.1557/jmr.2013.299
Kato, Kazumi ; Mimura, Ken Ichi ; Dang, Feng ; Imai, Hiroaki ; Wada, Satoshi ; Osada, Minoru ; Haneda, Hajime ; Kuwabara, Makoto. / BaTiO3 nanocube and assembly to ferroelectric supracrystals. In: Journal of Materials Research. 2013 ; Vol. 28, No. 21. pp. 2932-2945.
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