Browse > Article

Synthesis and characterization of perovskite nano-sized (Pb, La)$TiO_3$ powder using mechano chemical process  

Lim, Bo-Ra-Mi (Functional Nano-Materials Research Lab., Hanyang University)
Yang, Jae-Kyo (Functional Nano-Materials Research Lab., Hanyang University)
Lee, Dong-Suk (R&D Center, Innochips Technology)
Noh, Tae-Hyung (R&D Center, Innochips Technology)
Seo, Jung-Hye (Dept. of Information Communication Eng, Hanbat National University)
Lee, Youn-Seoung (Dept. of Information Communication Eng, Hanbat National University)
Kim, Hee-Taik (Functional Nano-Materials Research Lab., Hanyang University)
Choa, Yong-Ho (Functional Nano-Materials Research Lab., Hanyang University)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.18, no.5, 2008 , pp. 200-204 More about this Journal
Abstract
Mechano Chemical Process (MCP) skips the calcinations steps at an intermediate temperature that is always required in the conventional solid-state reaction because forming phase from raw powder is activated by mechanical energy. In this study, we prepared (Pb, La)$TiO_3$ nanopowder with perovskite structure by only high energy MCP. Especially, the PLT nanopowder was synthesized without any thermal treatment using oxides, not salts as raw powder. This process is also very simple due to dry milling method, unnecessary to dry of powder. The oxide powder was milled up to 12 hr at intervals of an hour using MCP and the pure PLT phase of perovskite structure was formed after milling time of 3 hr. And the average particle size was 20 nm with narrow distribution after milling time of 3 hr from raw powder of several $\mu m$ with inhomogeneous distribution.
Keywords
PLT; Perovskite structure; Mechano chemical process; Nanoparticle materials; Room temperature synthesis;
Citations & Related Records
연도 인용수 순위
  • Reference
1 J. Chen, X. Xing, R. Yu, J. Deng and G. Liu, "Microstructural characterization of sol-gel derived $Pb_{1−x}La_xTiO_3$ ferroelectrics", Journal of Alloys and Compounds 388 (2005) 309
2 S. Singh, O.P. Thakur, C. Prakash and K.K. Raina, "Improved piezoelectric properties via mechano-chemical activation in modified PCT ceramics", Materials Chemistry and Physics 94 (2005) 8
3 L.B. Kong, T.S. Zhang, J. Ma and F. Boey, "Progress in synthesis of ferroelectric ceramic materials via highenergy mechanochemical technique", Progress in Materials Science 53 (2008) 217
4 L.B. Kong, J. Ma, T.S. Zhang, W. Zhu and O.K. Tan, "$Pb(Zr_xTi_{1−x})O_3$ceramics via reactive sintering of partially reacted mixture produced by a high-energy ball milling process", Journal of Materials Research 16 (2001) 1636   DOI   ScienceOn
5 L. Seveyrat, M. Lemercier, B. Guiffard, L. Lebrun and D. Guyomar, "Temperature dependence of macroscopic and microscopic PZT properties studied by thermomechanical analysis, dielectric measurements and X-ray diffraction", Ceramics International In press
6 S.H. Ng, J.M. Xue and J. Wang, "High temperature piezoelectric strontium bismuth titanate from mechanical activation of mixed oxides", Materials Chemistry and Physics 75 (2002) 131   DOI   ScienceOn
7 T.-Y. Kim and H.M. Jang, "B-site vacancy as the origin of spontaneous normal-to-relaxor ferroelectric transitions in La-modified $PbTiO_3$", Applied Physics Letters 77 (2000) 3824   DOI   ScienceOn
8 X. Junmin, J. Wang and T. Weiseng, "Synthesis of lead zirconate titanate from an amorphous precursor by mechanical activation", Journal of Alloys and Compounds 308 (2000) 139   DOI   ScienceOn
9 B.D. Cullity, "Elements of X-ray diffraction", 2nd edition (Addison-Wesley, Cananda 1978)
10 R. Tickoo, R.P. Tandon, N.C. Mehra and P.N. Kotru, "Dielectric and ferroelectric properties of lanthanum modified lead titanate ceramics", Materials Science and Engineering B94 (2002) 2