| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Monteiro, R. C. C.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (36/36 displayed)
- 2018Sintering behaviour of a ZnO waste powder obtained as by-product from brass smeltingcitations
- 2018Bismuth and lead oxides codoped boron phosphate glasses for Faraday rotatorscitations
- 2018Thermal characteristics and crystallization behavior of zinc borosilicate glasses containing Nb2O5citations
- 2017Characterization of CdS-doped glass films obtained by pulsed laser deposition
- 2017Effect of ZnF2 addition on the crystallization behaviour of a zinc borosilicate glasscitations
- 2016Formation and crystallization of zinc borosilicate glassescitations
- 2015Crystallization of lithium disilicate-based multicomponent glasses - effect of silica/lithia ratiocitations
- 2015Brass smelting dust as a source of ZnO in the production of targets used in magnetron sputtering thin film deposition
- 2015Use of different inorganic solid wastes to produce glass foams
- 2014Crystallization kinetics of a barium-zinc borosilicate glass by a non-isothermal methodcitations
- 2014Phase transformation and microstructural evolution after heat treatment of a terbium-doped lithium–aluminum phosphate glasscitations
- 2014Synthesis of Niobium Doped Zinc Borosilicate Glass-ceramics
- 2014Crystallization and microstructure of Eu3+-doped lithium aluminophosphate glasscitations
- 2014Glass transition and crystallization kinetics of a barium borosilicate glass by a non-isothermal methodcitations
- 2014A novel dental restorative glass-ceramic based on fluorcanasite
- 2013Rare-earth doped phosphate glasses
- 2013Study of the non-isothermal crystallization kinetics of SiO2-Li2O based glasses by DSC
- 2013Investigations on optical, structural and thermal properties of phosphate glasses containing terbium ionscitations
- 2013Crystallization kinetics terbium-doped aluminophosphate glass studied by DSC, XRD and SEM
- 2013Preparation method and thermal properties of samarium and europium-doped alumino-phosphate glasses.citations
- 2013Optical and structural characterization of samarium and europium-doped phosphate glassescitations
- 2013Structural studies of Ba-B-Si-Zn glasses
- 2013Effect of Phosphogypsum on the Clinkerization Temperature of Portland Cement Clinkercitations
- 2012Sintering,Crystallization and Dielectric Behavior of Barium Zinc Borosilicate Glasses - Effect of Barium Oxide substitution for Zinc Oxidecitations
- 2012Degradation of dental ZrO2-based materials after hydrothermal fatigue. Part I: XRD, XRF, and FESEM analysescitations
- 2012Structural, electrical and thermal properties of borosilicate glass-alumina compositescitations
- 2010Structure and Morphology Study of Cobalt Oxide Doped Silica Nanocomposite Films
- 2010Artificial Aging of Zr-based Dental Materials - A Pilot Study
- 2008Mechanical characteristics of clay structural ceramics containing coal fly ashcitations
- 2007Valorização das escórias da celulose do Caima por técnicas de vitrificação
- 2007Glass-ceramics produced from incinerated municipal solid waste
- 2006Optical properties of cobalt oxide films by a dipping sol-gel processcitations
- 2004The effect of aluminum concentration on the crystallization of sol-gel derived Al:ZnO thin films
- 2004Recycling of coal fly ash by ceramic processing
- 2002Synthesis, characterization, and processing of cordierite-glass particles modified by coating with an alumina precursorcitations
- 2000Pressureless sintering of alumina-glass compositescitations
Places of action
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document
Investigations on optical, structural and thermal properties of phosphate glasses containing terbium ions
Abstract
Aluminophosphate glasses belonging to the Li2O-BaO-Al2O3-La2O3-P2O5 system doped with Tb3+ were prepared and investigated. Methodsas Induced Coupled Plasma-Mass Spectrometry (ICP-MS), Induced CoupledPlasma-Atomic Emission Spectroscopy (ICP-AES) and X-ray diffraction(XRD) have been used to establish the elemental composition of these vitreousmaterials. The influence of the Tb3+ ions on the optical properties of thephosphate glasses has been investigated in relation with the structuralcharacteristics of the vitreous matrix. The optical behavior has been studied byultra-violet-visible (UV-Vis) spectroscopy, revealing electronic transitionsspecific for terbium ions. Fluorescence spectroscopy measurements have beenperformed by excitation in the UV and visible domains (377 nm and 488 nm)which resulted in the most significant fluorescence peaks in the Vis domain(540 and 547 nm). Structural information via vibration modes were providedby Fourier Transform Infrared (FTIR) absorption spectra in the 400-4000 cm-1range. Absorption peaks specific for the vitreous phosphate matrix were put inevidence as P-O-P symmetrical and asymmetrical stretching vibration modes,P-O-P bend, PO2- symmetrical and asymmetrical stretching vibration modes,P=O stretching vibration mode as well as P-O-H water absorbance. Ramanspectra acquired in the 100-4000 cm-1 range by 488, 514 and 633 nm laserexcitation sources disclosed peaks also specific for the phosphate matrix,proving the role of phosphorous oxide as a vitreous network former.Differential Scanning Calorimetry and Thermogravimetric Analysis (DSCTGA)provided information regarding the phase transformations that tookplace during the heating process and the associated thermal effects.