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|Title:||Nanoindentation induced piezoelectricity in SrTiO3 single crystals|
Kumar, J. Suresh
Graca, M. P. F.
Balbashov, A. M.
Kholkin, A. L.
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Abstract:||Nanoindentation-induced polar properties in (0 0 1)-oriented SrTiO3 single crystals were analysed using piezoresponse force microscopy and local Raman spectroscopy measurements. The area directly beneath the indenter showed a strong piezoelectric response, together with an enhanced response in the area along the direction tangential to the residual indent. Stress-induced stable polarization states near the crack areas were also observed. Local poling performed on the strained areas suggests a possibility of polarization reversal and the stability of field-induced polar states. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.|
|Appears in Collections:||CICECO - Artigos|
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|Nanoindentation induced piezoelectricity in SrTiO3 single crystals_10.1016j.scriptamat.2013.11.003.pdf||630.91 kB||Adobe PDF|
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