NDLI: Lattice strain dependent optical transitions in Ho$^{3+}$-ion doped barium strontium titanate thin films

Content Provider	Springer Nature Link
Author	Zhang, Tianjin Jha, Animesh Shen, Shaoxiong Wang, Jun Pan, Ruikun Jiang, Juan Zhang, Baishun
Copyright Year	2007
Abstract	The influence of lattice strain on the strength of dipoles in the Ho$^{3+}$-doped barium-strontium titanate (BST) thin films has been analyzed. Thin films were produced by using the sol–gel technique on Si substrate. The resulting stress due to fabrication process was quantified by analyzing the {200} planes of the cubic perovskite structure and comparing them with the data for bulk materials. The influence of strain and changes due to Ho$^{3+}$-ion doping were characterized by Raman and visible photoluminescence spectroscopy, which clearly show the evidence for the increased tetragonality due to weaker dipole interaction at B-sites of cubic perovskite in the presence of Ho$^{3+}$-ions at concentrations larger than 3 mol%. The film strain can therefore be controlled to enhance the intensity of emitted light at 650 nm.
Starting Page	190
Ending Page	194
Page Count	5
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	20
Issue Number	1
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2007-12-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Characterization and Evaluation of Materials Optical and Electronic Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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