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Springer Verlag, Metal Science and Heat Treatment, 9-10(56), p. 564-569

DOI: 10.1007/s11041-015-9800-y

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A Study of the Physical Properties of Strontium Titanate Ceramics in the Temperature Range of 8 – 295 K by the Method of Piezoresponse Force Microscopy

Journal article published in 2015 by V. N. Andreeva, A. V. Filimonov ORCID, N. V. Andreeva, A. I. Rudskoy, I. Bdikin ORCID
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This paper is available in a repository.

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Abstract

The ferroelectric properties ot the surface of SrTiO3 strontium titanate ceramics are studied by the method of atomic-force microscopy. It is shown that polar nanoareas exist in the surface layer in the SrTiO3 ceramics in the temperature range of 8 – 295K. The result of thermodynamic computations are presented, which reflect the important role of crystal lattice deformation and oxygen vacancies in the low-temperature evolution of the piezoelectric response of the near-surface layers of the SrTiO3 ceramics.