Paper Title:
Hydrogen Plasma Process to Reduce the Eu-Doped Sr2SiO4 Thin Films
  Abstract

As-grown Sr2SiO4:Eu thin films on Si (100) substrates have been reduced by hydrogen plasma reaction which was carried out by using radio frequency plasma enhanced chemical vapor deposition system. The photoluminescence spectra, the crystal structure and the surface morphologies of the plasma-reduced films were measured and compared with those of the as-grown films. At as-grown state, Eu3+ and Eu2+ ions co-exist so that the photoluminescence spectra of the films reveal several emission bands between 350 and 650 nm. They were due to f-f and f-d transitions within Eu3+ and Eu2+ ions. After the plasma-reduced process, the photoluminescence spectra of the films show a remarkable increase of blue-green emission from the transitions of Eu2+ ions and decrease of red emission from the transitions of Eu2+ ions.

  Info
Periodical
Solid State Phenomena (Volumes 124-126)
Edited by
Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park
Pages
335-338
DOI
10.4028/www.scientific.net/SSP.124-126.335
Citation
S. H. Kim, H. S. Yun, H. K. Yang, K. D. Kim, S. S. Yi, J. H. Jeong, D. U. Kim, "Hydrogen Plasma Process to Reduce the Eu-Doped Sr2SiO4 Thin Films", Solid State Phenomena, Vols. 124-126, pp. 335-338, 2007
Online since
June 2007
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Price
$32.00
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