Paper Title:
Simultaneous Observation of Nanocrystalline BaTiO3 Ceramics Surface Morphology and Ferroelectricity Using Scanning Nonlinear Dielectric Microscopy
  Abstract

A scanning nonlinear dielectric microscopy (SNDM) with an additional electrically conducting atomic force microscope cantilever as a probe needle is adopted to simultaneously observe the surface topographic and domain images of nanocrystalline BaTiO3 ceramics with super-high resolution. The sample exhibits a uniform grain size distribution and the average grain sizes are calculated to be about 30 nm. Some regions are brighter than the others in SNDM image, indicating the existence of ferroelectric domains structure. In addition, P-E hysteresis and piezoresponse loops are found in nanocrystalline BaTiO3 ceramics. The experimental results demonstrate that the SNDM with the function of atomic force microscopy is very useful for understanding domain structures of nanocrystalline ferroelectric materials.

  Info
Periodical
Advanced Materials Research (Volumes 146-147)
Edited by
Sihai Jiao, Zhengyi Jiang and Jinglong Bu
Pages
1252-1255
DOI
10.4028/www.scientific.net/AMR.146-147.1252
Citation
C. J. Xiao, Z. X. Li, X. R. Deng, "Simultaneous Observation of Nanocrystalline BaTiO3 Ceramics Surface Morphology and Ferroelectricity Using Scanning Nonlinear Dielectric Microscopy", Advanced Materials Research, Vols. 146-147, pp. 1252-1255, 2011
Online since
October 2010
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$32.00
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