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Appl. Sci. 2017, 7(10), 1094; doi:10.3390/app7101094

Effect of ZnO Addition and of Alpha Particle Irradiation on Various Properties of Er3+, Yb3+ Doped Phosphate Glasses

1
Laboratory of Photonics, Tampere University of Technology, Korkeakoulunkatu 3, 33720 Tampere, Finland
2
National Institute for Laser, Plasma and Radiation Physics, Center for Advanced Laser Technologies, Măgurele RO-077125, Romania
3
“Horia Hulubei” National Institute of Physics and Nuclear Engineering, Măgurele RO-077125, Romania
4
Istituto Superiore Mario Boella, Via P. C. Boggio 61, 10138 Torino, Italy
*
Author to whom correspondence should be addressed.
Received: 6 October 2017 / Accepted: 20 October 2017 / Published: 24 October 2017
(This article belongs to the Special Issue Rare-Earth Doping for Optical Applications)
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Abstract

New Er3+, Yb3+ codoped phosphate glasses with the (98-x) (0.50P2O5-0.40SrO-0.10Na2O) -0.5Er2O3-1.5Yb2O3-xZnO (in mol %) composition were prepared by melting process with up to 10 mol % of ZnO. The impact of the changes in the glass composition on the thermal, optical, structural properties was investigated. Using IR and Raman spectroscopies, we confirmed that the addition of ZnO up to 10 mol % leads to a depolymerization of the network without having a significant impact on the Er3+ and Yb3+ sites. We also discuss the effect of alpha particles irradiation. The glass with 2.5 mol % of ZnO was irradiated with 3 MeV alpha particles and a total fluence of 1012 α/cm2. After irradiation, this glass exhibits surface expansion (measured at ~200 nm, 1.5 months after the irradiation) and an increase in the surface roughness. The alpha particles irradiation is suspected to lead to changes in the spectroscopic properties of the glass. Finally, the photo-response of the glass was found to be reversible. View Full-Text
Keywords: phosphate glasses; Yb3+ and Er3+ codoping; spectroscopic properties; IR and Raman spectroscopies; alpha particle irradiation phosphate glasses; Yb3+ and Er3+ codoping; spectroscopic properties; IR and Raman spectroscopies; alpha particle irradiation
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MDPI and ACS Style

Poudel, A.; Dmitrieva, I.; Gumenyuk, R.; Mihai, L.; Sporea, D.; Mureşan, O.; Rusen, I.; Hakkarainen, T.; Boetti, N.G.; Niemi, T.; Petit, L. Effect of ZnO Addition and of Alpha Particle Irradiation on Various Properties of Er3+, Yb3+ Doped Phosphate Glasses. Appl. Sci. 2017, 7, 1094.

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