Thickness of 90° ferroelectric domain walls in (Ba,Pb)TiO3 single crystals
- 1 May 1974
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 45 (5) , 1931-1933
- https://doi.org/10.1063/1.1663523
Abstract
90° ferroelectric domain boundaries were observed by direct transmission electron microscopy in single crystals of pure BaTiO3 and (Ba,Pb)TiO3 solid solutions. Domain‐wall thickness measurements were made from electron image plates by a densitometer‐trace‐curve‐fitting technique. Boundary widths varied from 50 to 150 Å. These results are compared with theoretical estimates of 90° domain‐wall thicknesses and correlated with the relative purity levels of the crystals. The temperature variation of the 90° wall thickness is reported for the (Ba,Pb)TiO3 solid solutions.This publication has 10 references indexed in Scilit:
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