Lee, JK and Muenchausen, RE and Lee, JS and Jia, QX and Nastasi, M and Valdez, JA and Bennett, BL and Cooke, DW and Lee, SY
(2006)
Structure and optical properties of Lu <inf>2</inf>SiO <inf>5</inf>:Ce phosphor thin films.
Applied Physics Letters, 89 (10).
ISSN 0003-6951
Abstract
Luminescent, cerium doped Lu 2SiO 5 thin films with C2/c symmetry have been prepared by pulsed laser deposition (PLD) at temperatures much lower than the crystallization temperature (2150°C) of the corresponding bulk crystals. The PLD grown films show the typical luminescence resulting from the Ce 3+ 5d-4f transition. Maximum luminescence efficiency was observed for films prepared at an oxygen partial pressure of 200 mTorr at 600°C. These conditions reflect a balance between Ce 4+/Ce 3+ interconversion and the crystalline quality of the films. The results indicate that PLD offers a low temperature deposition technique for complex oxide phosphor materials. © 2006 American Institute of Physics.
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