Abstract
The three-dimensional orientation of polarization vectors at the surface of ferroelectric barium–titanate (BaTiO3) ceramics is evaluated using voltage-modulated scanning force microscopy (SFM). By applying an ac voltage to the conductive SFM tip, we measure the relative amount of the three orthogonal components Px, Py, and Pz, of the polarization vector at any surface point. The measured polarization orientation together with the actual domain-wall orientation allows a precise reconstruction of the crystallographic orientation of the investigated grains down to a 40 nm resolution. Excellent agreement is obtained when comparing this orientation with the crystallographic reconstruction revealed by etch patterns from the sample surface topography. We show that the surface topography manifests a domain structure, which was present in the past, while the actual ferroelectric domain configuration is revealed by the modulation technique.
References
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 8:42 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 3, 2024, 10:33 a.m.) |
Indexed | 2 months, 2 weeks ago (June 6, 2025, 5:46 a.m.) |
Issued | 26 years, 7 months ago (Jan. 11, 1999) |
Published | 26 years, 7 months ago (Jan. 11, 1999) |
Published Print | 26 years, 7 months ago (Jan. 11, 1999) |
@article{Eng_1999, title={Nanoscale reconstruction of surface crystallography from three-dimensional polarization distribution in ferroelectric barium–titanate ceramics}, volume={74}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.123266}, DOI={10.1063/1.123266}, number={2}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Eng, L. M. and Güntherodt, H.-J. and Schneider, G. A. and Köpke, U. and Muñoz Saldaña, J.}, year={1999}, month=jan, pages={233–235} }