Correlation between surface rumpling and structural phase transformation of SrTiO3

Details Correlation between surface rumpling and structural phase transformation of SrTiO3 Correlation between surface rumpling and structural phase transformation of SrTiO3

2011-11-29

arxiv.org/abs/1111.6988v1

Physics

Condensed Matter

Materials Science

Scientific paper

We present x-ray reflectivity, x-ray diffraction and atomic force microscopy measurements of single crystal SrTiO3 taken as a function of temperature. We found a rumpling transformation of the SrTiO3 surface after cooling the sample below ~105 K. The rumpling transformation is correlated with the cubic to tetragonal phase transformation that occurs at the same temperature. The rumpling transformation is reversible.

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