28 research outputs found
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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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
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 romanos obtinuerunt succinta explicatio
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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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