Photoluminescence and cathodoluminescence of Eu:La2O3 nanoparticles synthesized by several methods

Abstract : Europium-doped La2O3 nanocrystalline powders with sizes ranging from 4 nm to 300 nm have been obtained by the modified Pechini, hydrothermal with conventional furnace, hydrothermal with microwave furnace, and precipitation with ultrasonic bath methods. X-ray diffraction techniques were used to study the evolution of the prepared gels towards the desired crystalline phase. We determined the size and the morphology of the nanoparticles by electronic microscopy. Finally, we studied and analyzed the luminescence properties of the trivalent europium in the hexagonal La2O3 nanocrystals by photoluminescence and cathodoluminescence

Rituum, qui olim apud Romanos obtinuerunt, succincta explicatio; ad intelligentiam veterum auctorum facili methodo

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Ge. Henr. Nievpoort ... Rituum qui olim apud Romanos obtinuerunt succincta explicatio ad intelligentiam veterum auctorum facili methodo conscripta : accedunt ... Ioanne Matthiae Gesneri prolusio. atque Caroli Ferdinandi Hommelii de tribunali praetoris liber singularis

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Historia Repipublicae et Imperii Romanorum ab Urbe Condita ad Annum Urbis DCCXXVIII, Quo Octaviano Caesari summa Imperii cum nomine Augusti delata fuit, Contexuit ex monumentis veterum G. H. Nieupoort

Antep. de 1º, grabada y port. a dúas tintas: vermella e negr

Historia reipublicae et imperii romanorum ab urbe condita ad annum urbis DCCXXVII...

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Rituum, qui olim apud Romanos obtinuerunt, succinta explicatio, ad intelligentiam veterum auctorum facili methodo

Sign.: a\p12\s, A-R\p12\s, S\p9\sPort. con grab. xi

Rituum qui olim apud romanos obtinuerunt, succincta explicatio ...

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Ge. Henr. Nievpoort, Ivr. Vtr. Doct. Ritvvm, Qvi Olim Apvd Romanos Obtinvervnt Svccincta Explicatio Ad Intelligentiam Vetervm Avctorvm Facili Methodo Conscripta

Die Vorlage enth. insgesamt 3 Werke. - Titelbl. in Rot- und Schwarzdr.G. H. Nievpoort De Ritibvs RomanorvmAutopsie nach Ex. der ULB Sachsen-AnhaltVorlageform des Erscheinungsvermerks: Berolini, Prostat Apvd C. F. Voss Et Filivm, MDCCLXXXIV

Rituum qui olim apud romanos obtinuerumt succinta explicatio ...

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Rituum qui olim romanos obtinuerunt succinta explicatio

Sign.: *, A-P, QGrav. xil. na portAs f. de grav. son xi