Gas-phase production of monodisperse ferroelectric nanoparticles (<10 nm in diameter)

Kwang Soo Seol, Satoshi Tomita, Kazuo Takeuchi, Takahiro Katagiri, Takeshi Miyagawa, Yoshimichi Ohki

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Laser ablative technology was used to prepare monodisperse nanoparticles (<10 nm in diameter) of lead zirconate titanate (PZT) and strontium bismuth tantalate (SBT). Laser ablation of a ceramic target in oxygen ambience produced amorphous and irregularly-shaped nanoparticles of either PZT or SBT. A subsequent on-line thermal treatment performed on the nanoparticles dispersed in the gas phase brought about compaction and crystallization of the nanoparticles without additional particle growth. It was found that the amorphous PZT nanoparticles began to crystallize above 600°C, and they became a perovskite structure at 900°C. In contrast, the SET nanoparticles began to crystallize at around 800°C. The crystallized nanoparticles were then size-classified by a differential mobility analyzer to yield monodisperse, highly pure, and single-crystalline nanoparticles of PZT and SBT.

    Original languageEnglish
    Title of host publication2003 Nanotechnology Conference and Trade Show - Nanotech 2003
    EditorsM. Laudon, B. Romanowicz
    Pages94-97
    Number of pages4
    Volume3
    Publication statusPublished - 2003
    Event2003 Nanotechnology Conference and Trade Show - Nanotech 2003 - San Francisco, CA
    Duration: 2003 Feb 232003 Feb 27

    Other

    Other2003 Nanotechnology Conference and Trade Show - Nanotech 2003
    CitySan Francisco, CA
    Period03/2/2303/2/27

    Fingerprint

    Ferroelectric materials
    Nanoparticles
    Gases
    Strontium
    Bismuth
    Laser ablation
    Perovskite
    Compaction
    Crystallization
    Heat treatment
    Crystalline materials
    Oxygen
    Lasers

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Seol, K. S., Tomita, S., Takeuchi, K., Katagiri, T., Miyagawa, T., & Ohki, Y. (2003). Gas-phase production of monodisperse ferroelectric nanoparticles (<10 nm in diameter). In M. Laudon, & B. Romanowicz (Eds.), 2003 Nanotechnology Conference and Trade Show - Nanotech 2003 (Vol. 3, pp. 94-97)

    Gas-phase production of monodisperse ferroelectric nanoparticles (<10 nm in diameter). / Seol, Kwang Soo; Tomita, Satoshi; Takeuchi, Kazuo; Katagiri, Takahiro; Miyagawa, Takeshi; Ohki, Yoshimichi.

    2003 Nanotechnology Conference and Trade Show - Nanotech 2003. ed. / M. Laudon; B. Romanowicz. Vol. 3 2003. p. 94-97.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Seol, KS, Tomita, S, Takeuchi, K, Katagiri, T, Miyagawa, T & Ohki, Y 2003, Gas-phase production of monodisperse ferroelectric nanoparticles (<10 nm in diameter). in M Laudon & B Romanowicz (eds), 2003 Nanotechnology Conference and Trade Show - Nanotech 2003. vol. 3, pp. 94-97, 2003 Nanotechnology Conference and Trade Show - Nanotech 2003, San Francisco, CA, 03/2/23.
    Seol KS, Tomita S, Takeuchi K, Katagiri T, Miyagawa T, Ohki Y. Gas-phase production of monodisperse ferroelectric nanoparticles (<10 nm in diameter). In Laudon M, Romanowicz B, editors, 2003 Nanotechnology Conference and Trade Show - Nanotech 2003. Vol. 3. 2003. p. 94-97
    Seol, Kwang Soo ; Tomita, Satoshi ; Takeuchi, Kazuo ; Katagiri, Takahiro ; Miyagawa, Takeshi ; Ohki, Yoshimichi. / Gas-phase production of monodisperse ferroelectric nanoparticles (<10 nm in diameter). 2003 Nanotechnology Conference and Trade Show - Nanotech 2003. editor / M. Laudon ; B. Romanowicz. Vol. 3 2003. pp. 94-97
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