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  Visible and near-infrared up-conversion luminescence of KGd(WO4)(2) micro-crystals doped with Er3+, Tm3+, Ho3+ and Yb3+ ions.

Kasprowicz, D., Gluchowski, P., Brik, M. G., Makowski, M., Chrunik, M., & Majchrowski, A. (2016). Visible and near-infrared up-conversion luminescence of KGd(WO4)(2) micro-crystals doped with Er3+, Tm3+, Ho3+ and Yb3+ ions. Journal of Alloys and Compounds, 684, 271-281. doi:10.1016/j.jallcom.2016.05.136.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002B-22F2-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-31C0-0
Genre: Journal Article

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http://www.sciencedirect.com/science/article/pii/S0925838816314694 (Publisher version)
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 Creators:
Kasprowicz, D., Author
Gluchowski, P., Author
Brik, M. G., Author
Makowski, Marcin1, Author           
Chrunik, M., Author
Majchrowski, A., Author
Affiliations:
1Group Dynamics of fluid and biological interfaces, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063300              

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Free keywords: Double tungstates; KGd(WO4)(2); Micro-crystals; Rare earth ions; Up-conversion; mu-Raman spectroscopy
 Abstract: KGd(WO4)(2) micro-crystals doped with Yb3+/Er3+/Tm3+, Yb3+/Er3+/Ho3+ and Yb3+/Tm3+/Ho3+ exhibit multicolor up-conversion luminescence in the VIS and NIR spectral ranges under 980 nm laser diode excitation. These rare earth-doped KGd(WO4)(2) micro-crystalline powders were synthesized using the modified Pechini method. XRD was used to confirm the monoclinic phase of these compounds. The SEM images analysis showed that the average size of the micro-crystals was smaller than 1 mm. The influence of the size and shape of micro-crystals on vibrational properties was investigated for the first time using the m-Raman spectroscopy. The obtained results suggest that the KGd(WO4)(2) powders doped with Yb3+/ Er3+/Tm3+, Yb3+/Er3+/Ho3+ and Yb3+/Tm3+/Ho3+ ions can be successfully used as new phosphors for the up-conversion based optoelectronic devices.

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Language(s): eng - English
 Dates: 2016-05-182016-11-05
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.jallcom.2016.05.136
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Title: Journal of Alloys and Compounds
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 684 Sequence Number: - Start / End Page: 271 - 281 Identifier: -