Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36190
Title: Effect of biaxial strain induced by piezoelectric PMN-PT on the upconversion photoluminescence of BaTiO3:Yb/Er thin films
Authors: Wu, ZP
Zhang, Y
Bai, GX
Tang, WH
Gao, J
Hao, JH 
Issue Date: 2014
Publisher: Optical Society of America
Source: Optics express, 2014, v. 22, no. 23, p. 29014-29019 How to cite?
Journal: Optics express 
Abstract: Thin films of Yb3+/Er3+ co-doped BaTiO3 (BTO:Yb/Er) have been epitaxially grown on piezoelectric Pb(Mg1/3Nb2/3)(0.7)Ti0.3O3 (PMN-PT) substrates. Biaxial strain can be effectively controlled by applying electric field on PMN-PT substrate. A reversible, in situ and dynamic modification of upconversion photoluminescence in BTO:Yb/Er film was observed via converse piezoelectric effect. Detailed analysis and in situ X-ray diffraction indicate that such modulations are possibly due to the change in the lattice deformation of the thin films. This result suggests an alternative method to rationally tune the upconversion emissions via strain engineering.
URI: http://hdl.handle.net/10397/36190
ISSN: 1094-4087
DOI: 10.1364/OE.22.029014
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