volume 40 issue 22 pages 7109-7112

Grain size effect and local disorder in polycrystalline relaxors via scanning probe microscopy

I K Bdikin
E K Selezneva
K. Bormanis
A. Sternberg
A. L. KHOLKIN
Publication typeJournal Article
Publication date2007-11-02
scimago Q1
wos Q2
SJR0.650
CiteScore6.4
Impact factor3.2
ISSN00223727, 13616463
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Abstract
Local piezoresponse of individual grains in polycrystalline Pb0.9125La0.0975(Zr0.65Ti0.35)0.976O3 (PLZT 9.75/65/35) relaxor ceramics is studied using the scanning probe microscopy (SPM) technique. The observed piezoelectric contrast consisting of irregular (labyrinth-type) polarization patterns is attributed to the compositional disorder and consequent charge imbalance caused by high La concentration. A measure of this disorder, the polarization correlation length ξ, is directly determined using an autocorrelation analysis function implemented in the SPM software. The analysis of the obtained images shows that ξ taken at the scale ~200 nm varies as a function of the position inside the grain notably decreasing upon approaching the grain boundary. As a result, the average correlation length taken over the entire grain is apparently dependent on the grain size saturating at about 2 µm. The obtained dependences are consistent with both the mechanical stress effect of impinging grains and the composition gradient in the PLZT grain and allows for better understanding of the dielectric properties of disordered ferroelectrics.
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Kiselev D. A. et al. Grain size effect and local disorder in polycrystalline relaxors via scanning probe microscopy // Journal Physics D: Applied Physics. 2007. Vol. 40. No. 22. pp. 7109-7112.
GOST all authors (up to 50) Copy
Kiselev D. A., Bdikin I. K., Selezneva E. K., Bormanis K., Sternberg A., KHOLKIN A. L. Grain size effect and local disorder in polycrystalline relaxors via scanning probe microscopy // Journal Physics D: Applied Physics. 2007. Vol. 40. No. 22. pp. 7109-7112.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1088/0022-3727/40/22/037
UR - https://doi.org/10.1088/0022-3727/40/22/037
TI - Grain size effect and local disorder in polycrystalline relaxors via scanning probe microscopy
T2 - Journal Physics D: Applied Physics
AU - Kiselev, D. A.
AU - Bdikin, I K
AU - Selezneva, E K
AU - Bormanis, K.
AU - Sternberg, A.
AU - KHOLKIN, A. L.
PY - 2007
DA - 2007/11/02
PB - IOP Publishing
SP - 7109-7112
IS - 22
VL - 40
SN - 0022-3727
SN - 1361-6463
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2007_Kiselev,
author = {D. A. Kiselev and I K Bdikin and E K Selezneva and K. Bormanis and A. Sternberg and A. L. KHOLKIN},
title = {Grain size effect and local disorder in polycrystalline relaxors via scanning probe microscopy},
journal = {Journal Physics D: Applied Physics},
year = {2007},
volume = {40},
publisher = {IOP Publishing},
month = {nov},
url = {https://doi.org/10.1088/0022-3727/40/22/037},
number = {22},
pages = {7109--7112},
doi = {10.1088/0022-3727/40/22/037}
}
MLA
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MLA Copy
Kiselev, D. A., et al. “Grain size effect and local disorder in polycrystalline relaxors via scanning probe microscopy.” Journal Physics D: Applied Physics, vol. 40, no. 22, Nov. 2007, pp. 7109-7112. https://doi.org/10.1088/0022-3727/40/22/037.
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