Journal
THIN SOLID FILMS
Volume 607, Issue -, Pages 32-35Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2016.03.046
Keywords
Upconversion luminescence; Ferroelectrics; Epitaxial thin films; Lanthanides; Pulsed laser deposition
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Funding
- Alexander von Humboldt Foundation
- European Union [601126 210]
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Thin films of Yb3+/Er3+ codoped Pb(Zr, Ti)O-3 (PZT:Yb/Er) have been epitaxially grown on the SrTiO3 buffered Si wafer by pulsed laser deposition. Strong upconversion photoluminescence was observed in the PZT: Yb/Er thin film. Using piezoresponse force microscopy, polar domains in the PZT: Yb/Er film can be reversibly switched with a phase change of 180 degrees. Ferroelectric hysteresis loop shape with a well-saturated response was observed. The epitaxially grown lanthanide-doped PZT on silicon opens up a promising route to the integration of luminescent functional oxides on the silicon platform. (C) 2016 Elsevier B.V. All rights reserved.
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