Enhancement of cathodoluminescent and photoluminescent properties of Eu:Y2O3 luminescent films by vacuum cooling

D. Kumar; J. Sankar; K. G. Cho; V. Craciun; R. K. Singh

doi:10.1063/1.1318938

Enhancement of cathodoluminescent and photoluminescent properties of Eu:Y₂O₃ luminescent films by vacuum cooling

D. Kumar
, J. Sankar
, K. G. Cho
, V. Craciun
, R. K. Singh

North Carolina A&T State University
University of Florida

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

This letter investigates the role of postdeposition oxygen treatments upon their luminescent properties by synthesizing Eu:Y₂O₃ films by pulsed laser deposition under different conditions and subjecting them to various postdeposition oxygen treatments. Our results have shown that Eu:Y₂O₃ films grown in 300 mTorr oxygen ambient and cooled in vacuum (10^-6 Torr) after the termination of growth exhibit better photoluminescent and cathodoluminescent brightness than those grown in (i) vacuum and cooled in vacuum and (ii) 300 mTorr oxygen and cooled in 2 Torr oxygen. Two possible mechanisms have been proposed to explain these results.

Original language	English
Pages (from-to)	2518-2520
Number of pages	3
Journal	Applied Physics Letters
Volume	77
Issue number	16
DOIs	https://doi.org/10.1063/1.1318938
State	Published - 16 Oct 2000
Externally published	Yes

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10.1063/1.1318938

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title = "Enhancement of cathodoluminescent and photoluminescent properties of Eu:Y2O3 luminescent films by vacuum cooling",

abstract = "This letter investigates the role of postdeposition oxygen treatments upon their luminescent properties by synthesizing Eu:Y2O3 films by pulsed laser deposition under different conditions and subjecting them to various postdeposition oxygen treatments. Our results have shown that Eu:Y2O3 films grown in 300 mTorr oxygen ambient and cooled in vacuum (10-6 Torr) after the termination of growth exhibit better photoluminescent and cathodoluminescent brightness than those grown in (i) vacuum and cooled in vacuum and (ii) 300 mTorr oxygen and cooled in 2 Torr oxygen. Two possible mechanisms have been proposed to explain these results.",

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AU - Kumar, D.

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AU - Cho, K. G.

AU - Craciun, V.

AU - Singh, R. K.

PY - 2000/10/16

Y1 - 2000/10/16

N2 - This letter investigates the role of postdeposition oxygen treatments upon their luminescent properties by synthesizing Eu:Y2O3 films by pulsed laser deposition under different conditions and subjecting them to various postdeposition oxygen treatments. Our results have shown that Eu:Y2O3 films grown in 300 mTorr oxygen ambient and cooled in vacuum (10-6 Torr) after the termination of growth exhibit better photoluminescent and cathodoluminescent brightness than those grown in (i) vacuum and cooled in vacuum and (ii) 300 mTorr oxygen and cooled in 2 Torr oxygen. Two possible mechanisms have been proposed to explain these results.

AB - This letter investigates the role of postdeposition oxygen treatments upon their luminescent properties by synthesizing Eu:Y2O3 films by pulsed laser deposition under different conditions and subjecting them to various postdeposition oxygen treatments. Our results have shown that Eu:Y2O3 films grown in 300 mTorr oxygen ambient and cooled in vacuum (10-6 Torr) after the termination of growth exhibit better photoluminescent and cathodoluminescent brightness than those grown in (i) vacuum and cooled in vacuum and (ii) 300 mTorr oxygen and cooled in 2 Torr oxygen. Two possible mechanisms have been proposed to explain these results.

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Enhancement of cathodoluminescent and photoluminescent properties of Eu:Y₂O₃ luminescent films by vacuum cooling

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