Room-temperature Preparation of Nano-sized Lanthanum-modified Lead-titanate Powder with a Perovskite Structure Fabricated by Using Mechano-chemical Technique
- Authors
- Lim, Borami; Kim, Min-Jung; Choa, Yong-Ho; Yang, Jae-Kyo; Seo, Jung Hye; Lee, Youn Seoung; Lee, Dong-Suk; Noh, Tae-Hyung
- Issue Date
- Oct-2009
- Publisher
- 한국물리학회
- Keywords
- Room-temperature synthesis; PbLaTiO3 materials; Mechanochemical synthesis; Nanopowder; Phase transformation
- Citation
- Journal of the Korean Physical Society, v.55, no.4, pp.1557 - 1562
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Journal of the Korean Physical Society
- Volume
- 55
- Number
- 4
- Start Page
- 1557
- End Page
- 1562
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40846
- DOI
- 10.3938/jkps.55.1557
- ISSN
- 0374-4884
- Abstract
- Many of the solid-state reaction or chemistry-based processing routes for functional ceramics inevitably involve a calcination process of the chemically-derived precursors at an intermediate/high temperature in order to form the designed ceramic phase. The purpose of this study is to directly synthesize a nano-sized lanthanum-modified lead-titanate (PLT) powder with a perovskite structure by using a high-energy mechano-chemical technique at room temperature. The nanocrystalline PLT was synthesized without any thermal treatment from an oxide powder or salts then, we investigated the chemical reaction, the phase transformation, and the crystalline structure for the mechanochemical procedures.
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