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Luminescent thin films of nanocrystalline YTaO4: Nb by pulsed laser deposition
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Materials Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Materials Chemistry.
2008 (English)In: Thin Solid Films, ISSN 0040-6090, E-ISSN 1879-2731, Vol. 516, no 23, 8431-8435 p.Article in journal (Refereed) Published
Abstract [en]

Low dimensional nanostructures of YTaO4:Nb thin films were deposited on Si (100) substrate using pulsed laser deposition (lambda= 193 nm) at room temperature. X-ray Diffraction, Scanning Electron Microscopy and Transmission Electron Microscopy analysis revealed the nanocrystalline nature of YTaO4:Nb film consisting of grains of 20-40 nm in size. The photoluminescence spectra measured on the films confirmed the luminescence characteristics of YTaO4:Nb powders, the emission peak appeared shifted as compared to the luminescence spectrum of the bulk target. The spectral shift is about 15 nm and is correlated to the nanocrystalline nature of the film.

Place, publisher, year, edition, pages
2008. Vol. 516, no 23, 8431-8435 p.
Keyword [en]
Yttrium tantalite, Luminescence, Pulsed Laser Deposition, Nanostructures
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-107051DOI: 10.1016/j.tsf.2008.04.055ISI: 000260579800034OAI: oai:DiVA.org:uu-107051DiVA: diva2:227611
Available from: 2009-07-15 Created: 2009-07-15 Last updated: 2017-12-13Bibliographically approved

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