Effect of oxygen pressure on the structure and luminescence of Eu-doped Gd 2O 3 thin films

Journal Article (Journal Article)

Europium-doped gadolinium oxide (Gd2O3) thin films were deposited on sapphire substrates by pulsed laser deposition (PLD). The effect of oxygen pressure during deposition on the structure of the thin films, investigated by transmission electron microscopy (TEM) and X-ray diffraction (XRD), was correlated to photoluminescence spectra. The polycrystalline films, like the one deposited in 5 mTorr oxygen environment, were primarily monoclinic phase; however the rarer cubic phase was achieved at 50 mTorr pressure. Time-integrated and timeresolved photoluminescence (TIPL and TRPL) spectra of the bright 5D 0 to 7F 2 radiative transition revealed how the differing host material phases altered the local environment of the Eu dopants. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Full Text

Duke Authors

Cited Authors

  • Wellenius, P; Smith, ER; Wu, PC; Everitt, HO; Muth, JF

Published Date

  • August 1, 2010

Published In

Volume / Issue

  • 207 / 8

Start / End Page

  • 1949 - 1953

Electronic International Standard Serial Number (EISSN)

  • 1862-6319

International Standard Serial Number (ISSN)

  • 1862-6300

Digital Object Identifier (DOI)

  • 10.1002/pssa.201026071

Citation Source

  • Scopus