New design of nano-structured SrTiO3 powder using a cellulose-assisted LPP method

Yoon Ah Roh, Bong Kyun Kang, Young Hyun Song, Kakihana Masato, Takaki Masaki, Dae Ho Yoon

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    Strontium titanate (SrTiO3) powder has been prepared through a liquid-phase precursor (LPP) method involving strontium (Sr) acetate and different types of titanium (Ti) raw materials; the powders were synthesized using two kinds of lactate complex and TiCl3. The effects from the addition of the Ti raw materials to the nanostructure and the resultant synthetic efficiency were investigated in this work for the development of nano-sized particles and a low firing temperature. The morphology and size of the SrTiO3 nanopowders were controlled by adjusting the Sr- and Ti-precursor concentrations and the selection of the type of Ti raw material. The most-effective raw material was selected and then used as the basis for the attainment of the results in accordance with the ratio. Using X-ray diffraction (XRD), phase analyses of the samples calcined at different temperatures and compositions were performed. SEM was used for the characterization of the morphologies of the raw materials and reaction products, and they varied from ∼25 nm to ∼50 nm.

    Original languageEnglish
    Pages (from-to)8303-8309
    Number of pages7
    JournalCeramics International
    Volume42
    Issue number7
    DOIs
    Publication statusPublished - 2016 May 15

    Keywords

    • C. Dielectric properties
    • LPP
    • Lactate complex
    • MLCC
    • Paraelectric
    • SrTiO

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Ceramics and Composites
    • Process Chemistry and Technology
    • Surfaces, Coatings and Films
    • Materials Chemistry

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