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Electron−phonon interactions in Ce3+-doped yttrium aluminum garnet nanophosphors.

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Electron−phonon interactions in Ce3+-doped yttrium aluminum garnet nanophosphors.

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Title: Electron−phonon interactions in Ce3+-doped yttrium aluminum garnet nanophosphors.
Author: Su, Liap Tat.; Tok, Alfred Iing Yoong.; Zhao, Yang.; Ng, Nathaniel.; Boey, Yin Chiang Freddy.; Woodhead, J. L.; Summers, C. J.
Copyright year: 2008
Abstract: Ce3+-doped yttrium aluminum garnet nanophosphors with sizes near 30 and 250 nm have been synthesized by using chemical gelation and solvothermal methods, respectively. The size-dependent electron-longitudinal-optical-phonon coupling is investigated by fitting measured photoluminescence spectra within the framework of the Brownian oscillator model. Results show that the coupling strength is in a decreasing order from the bulk material to the nanophosphors of much smaller sizes.
Subject: DRNTU::Engineering::Materials::Photonics and optoelectronics materials.
Type: Journal Article
Series/ Journal Title: Journal of physical chemistry B
School: School of Materials Science and Engineering
Rights: © 2008 American Chemical Society

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