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Laser operated borate polymer nanocomposites

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Main Authors: Ali Hussain, Reshak, Prof. Dr., Gandham, Lakshminarayana, Burak, Ya V., Adamiv, Volodymyr T.
Format: Article
Language:English
Published: Elsevier B.V. 2011
Subjects:
Nanoparticles
Optical materials
Centrosymmetric
Polymer
Nanocrystallites
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/14811
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spelling my.unimap-148112011-10-23T12:25:25Z Laser operated borate polymer nanocomposites Ali Hussain, Reshak, Prof. Dr. Gandham, Lakshminarayana Burak, Ya V. Adamiv, Volodymyr T. Nanoparticles Optical materials Centrosymmetric Polymer Nanocrystallites Link to publisher's homepage at http://www.elsevier.com/ We have found that UV polarized treatment of the nanocrystals (non-centrosymmetric Li2B4O7 and centrosymmetric α-BaB2O4) embedded into the olygoether acrylate photopolymer samples cause substantially different response depending on the laser features. For the Li2B4O 7 NC, during treatment by pulsed 7 ns laser polarized nitrogen laser pulses at 337 nm we observed substantial red spectral shift of the energy gap from 7.3 eV up to 6.3 eV. The spectral shift is disappeared during the 15 min after the interruption of optical treatment. The effect exists only in the nanocrystallites with sizes below 200 nm. At the same time for the centrosymmetrical α-BaB2O4 nanocrystallites this effect was absent. However the photoinduced second order optical effects induced by coherent bicolor treatment by wavelengths 532 nm and 266 nm are enhanced for the α-BaB2O4 NC and are absent for the Li 2B4O7 ones. 2011-10-23T12:25:25Z 2011-10-23T12:25:25Z 2011-01-28 Article Journal of Alloys and Compounds, vol. 509 (4), 2011, pages 1271-1274 0925-8388 http://www.sciencedirect.com/science/article/pii/S0925838810024953 http://hdl.handle.net/123456789/14811 en Elsevier B.V.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Nanoparticles
Optical materials
Centrosymmetric
Polymer
Nanocrystallites
spellingShingle Nanoparticles
Optical materials
Centrosymmetric
Polymer
Nanocrystallites
Ali Hussain, Reshak, Prof. Dr.
Gandham, Lakshminarayana
Burak, Ya V.
Adamiv, Volodymyr T.
Laser operated borate polymer nanocomposites
description Link to publisher's homepage at http://www.elsevier.com/
format Article
author Ali Hussain, Reshak, Prof. Dr.
Gandham, Lakshminarayana
Burak, Ya V.
Adamiv, Volodymyr T.
author_facet Ali Hussain, Reshak, Prof. Dr.
Gandham, Lakshminarayana
Burak, Ya V.
Adamiv, Volodymyr T.
author_sort Ali Hussain, Reshak, Prof. Dr.
title Laser operated borate polymer nanocomposites
title_short Laser operated borate polymer nanocomposites
title_full Laser operated borate polymer nanocomposites
title_fullStr Laser operated borate polymer nanocomposites
title_full_unstemmed Laser operated borate polymer nanocomposites
title_sort laser operated borate polymer nanocomposites
publisher Elsevier B.V.
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/14811
_version_ 1643790834117640192
score 13.160551

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