DOI: 10.1116/1.588512. Deconvolution of topographic and ferroelectric contrast by noncontact and friction force microscopy

Deconvolution of topographic and ferroelectric contrast by noncontact and friction force microscopy

10.1116/1.588512

Crossref journal-article

American Vacuum Society

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena (20)

Abstract

We report on the recent investigations of the surface of ferroelectric crystals with scanning force microscopy. In situ investigations are demonstrated for temperatures T even above the transition temperature Tc for triglycine-sulphate (TGS) and barium-titanate (BaTiO3) (Tc,TGS=49 °C, Tc,BaTiO3=126 °C. We directly observed transition from the ferroelectric into the paraelectric phase. Our inspection of the ferroelectric crystals TGS and BaTiO3 allowed the simultaneous investigation of topographic surface features and ferroelectric domain structure in these crystals. Ferroelectric domains are clearly discernible in the noncontact mode as well as the friction force mode of imaging. The domain wall width in TGS was measured to be smaller than 8 nm. Furthermore, contact force microscopy indicated the domain wall to be atomically flat, exhibiting no surface step. While image contrast in noncontact scanning force microscopy pictures is found to be a convolution of both topographic and ferroelectric forces on TGS samples, the tip/sample interaction in BaTiO3 is dominated by van der Waals forces.

Bibliography

Eng, L. M., Friedrich, M., Fousek, J., & GÃ¼nter, P. (1996). Deconvolution of topographic and ferroelectric contrast by noncontact and friction force microscopy. Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, 14(2), 1191â1196.

Authors 4

L. M. Eng (first)
M. Friedrich (additional)
J. Fousek (additional)
P. Günter (additional)

References 0 Referenced 62

None

Dates

Type	When
Created	23 years ago (July 27, 2002, 5:17 a.m.)
Deposited	2 years, 1 month ago (July 9, 2023, 7:39 p.m.)
Indexed	1 year, 2 months ago (May 30, 2024, 12:28 a.m.)
Issued	29 years, 5 months ago (March 1, 1996)
Published	29 years, 5 months ago (March 1, 1996)
Published Print	29 years, 5 months ago (March 1, 1996)

Funders 0

None

BibTeX

@article{Eng_1996, title={Deconvolution of topographic and ferroelectric contrast by noncontact and friction force microscopy}, volume={14}, ISSN={1520-8567}, url={http://dx.doi.org/10.1116/1.588512}, DOI={10.1116/1.588512}, number={2}, journal={Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena}, publisher={American Vacuum Society}, author={Eng, L. M. and Friedrich, M. and Fousek, J. and Günter, P.}, year={1996}, month=mar, pages={1191–1196} }

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