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Thermochromoluminescent Mn2+-doped oxides as thermal sensor for selective laser sintering

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROUZÉ L’ALZIT, François
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierInstitut de Recherche sur les CERamiques [IRCER]
dc.contributor.authorBAZIN, Tiphaine
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPOULON-QUINTIN, Angeline
hal.structure.identifierInstitut de Recherche sur les CERamiques [IRCER]
dc.contributor.authorCHAMPION, Eric
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBERTRAND, Caroline
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCARDINAL, Thierry
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROUGIER, Aline
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMJEJRI, Issam
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJUBERA, Veronique
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGAUDON, Manuel
dc.date.issued2020-12
dc.identifier.issn0925-3467
dc.description.abstractEnMn2+-doped Zn3(PO4)2 and Mn2+-doped ZnAl2·2O4+δ compounds were prepared from solid state route and Pechini process, respectively. The luminescent properties evolution of both as-prepared powder compounds versus the annealing temperature (for 10 min annealing treatments) was studied, in the range 500–1400 °C. In parallel, Doctor Blade was used to prepare few micron-thick films for laser irradiation with the 1 μm wavelength laser of our SLS process (Selective Laser Sintering process). The ultra-rapid heating produces by laser irradiation induces on the films very different optical properties evolution in comparison to what was observed for the powder samples annealed into furnaces for the Mn-doped zinc phosphate. On the opposite, for the spinel compound, whatever the heating process (laser on film or furnace for powder samples), the modification of the luminescence properties is directly linked in a same way to the maximum temperature gained during the thermal history. The idea is to use thermal sensor to extract the temperature map of a film while it is subjected to laser irradiation as during SLS process. The study shows that thermal sensors must rely on mechanisms which remain effective even for ultra-rapid heating: a cationic redistribution versus temperature as occurring into spinel matrix is one solution proposed. But changes in the chromaticity resulting from phase transition between different allotropic forms as occurring into the zinc phosphate compound cannot be directly exploited.
dc.language.isoen
dc.publisherElsevier
dc.subject.enLaser sintering
dc.subject.enCeramic
dc.subject.enSensors
dc.subject.enThermochromoluminescent
dc.subject.enColor
dc.title.enThermochromoluminescent Mn2+-doped oxides as thermal sensor for selective laser sintering
dc.typeArticle de revue
dc.identifier.doi10.1016/j.optmat.2020.110542
dc.subject.halChimie/Matériaux
bordeaux.journalOptical Materials
bordeaux.page110542 (11 p.)
bordeaux.volume110
bordeaux.peerReviewedoui
hal.identifierhal-03028302
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03028302v1
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