| Issue |
Europhys. Lett.
Volume 36, Number 5, November II 1996
|
|
|---|---|---|
| Page(s) | 373 - 378 | |
| Section | Condensed matter: structure, thermal and mechanical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00238-x | |
| Published online | 01 September 2002 | |
Observation of an incommensurately modulated structure in dielectrics by an atomic-force microscope
1
J. Stefan Institute, Jamova 39, 1001 Ljubljana, Slovenia
2
Institut für Experimentalphysik der Universität Wien,
Strudlhofgasse 4, A-1090
Wien, Austria
Received:
17
June
1996
Accepted:
27
September
1996
We report the first direct observation of an incommensurate lattice
distortion in dielectric crystals by an atomic-force microscope. The layered
crystal 
has been imaged in the normal and incommensurate
phases. In the normal phase, we observe well-ordered atomic corrugations
on a cleavage surface of a crystal. In the incommensurate phase, these atomic
corrugations are modulated by a long periodic plane-wave distortion.
PACS: 61.16.Ch – Scanning probe microscopy: scanning tunneling, atomic force, magnetic, etc. / 64.70.Rh – Commensurate-incommensurate transitions
© EDP Sciences, 1996
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