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Journal of Applied Physics / Volume 111 / Issue 2 / ARTICLES / Nanoscale Science and Design

J. Appl. Phys. 111, 024314 (2012); http://dx.doi.org/10.1063/1.3677974 (5 pages)

Perovskite phase transformation in 0.65Pb(Mg1/3Nb2/3)O3-0.35PbTiO3 nanoparticles derived by sol-gel

Satyendra Singh1,2 and S. B. Krupanidhi1

1Materials Research Centre, Indian Institute of Science, Bangalore – 560012, India
2Applied Sciences Department, PEC University of Technology, Chandigarh - 12, India

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(Received 21 September 2011; accepted 17 December 2011; published online 26 January 2012)

Fabrication of 0.65Pb(Mg1/3Nb2/3)O3-0.35PbTiO3 (PMN-PT) nanoparticles with an average size of about 40 nm and their phase transformation behavior from pyrochlore to perovskite phase is investigated. A novel sol-gel method was used for the synthesis of air-stable and precipitate-free diol-based sol of PMN-PT which was dried and partially calcined at 450 °C for 1 h to decompose organics and bring down the free energy barrier for perovskite crystallization and then finally annealed in the temperature range 600 to 700 °C. Annealed at around 700 °C for 1 h, PMN-PT gel powder exhibited nanocrystalline morphology with perovskite phase as confirmed by the transmission electron microscopy and X-ray diffraction techniques.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENTAL DETAILS
  3. RESUTLTS AND DISCUSSION
  4. CONCLUSION

RELATED DATABASES

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KEYWORDS, PACS, and IPC

Keywords

annealing, calcination, crystal morphology, crystallisation, ferroelectric ceramics, gels, lead compounds, nanofabrication, nanoparticles, particle size, relaxor ferroelectrics, sol-gel processing, solid-state phase transformations, transmission electron microscopy, X-ray diffraction

PACS

  • 81.07.Wx

    Nanopowders

  • 81.10.Dn

    Growth from solutions

  • 81.10.Fq

    Growth from melts; zone melting and refining

  • 81.15.Lm

    Liquid phase epitaxy; deposition from liquid phases (melts, solutions, and surface layers on liquids)

  • 77.80.Jk

    Relaxor ferroelectrics

  • 77.84.Cg

    PZT ceramics and other titanates

  • 64.70.Nd

    Structural transitions in nanoscale materials

  • 81.05.Je

    Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides)

International Patent Classification (IPC)

  • B01J6/00

    Calcining; Fusing

  • B01D9/00

    Crystallisation

  • B82B1/00

    Nano-structures

  • B82B3/00

    Manufacture or treatment of nano-structures

  • C04B35/00

    Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products

  • C21D1/00

    General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering

  • C21D1/26

    Methods of annealing

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3677974

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    Y. Faheem and K. S. Joya, Appl. Phys. Lett. 91, 0631159 (2007)APPLAB000091000006063115000001.

    Y. Yang, X. Wang, C. Sun, and L. Li, J. Appl. Phys. 109, 014109 (2011)JAPIAU000109000001014109000001.

    D. Zhou, H. Gu, Y. Hu, H. Yian, Z. Qian, and Y. Wang, J. Appl. Phys. 109, 114104 (2011)JAPIAU000109000011114104000001.


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