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https://doi.org/10.1007/s11164-013-1126-z

has been cited by the following article:

• TITLE: Luminescence Characteristics of LaAlO3:Eu3+ Obtained by Modified Pechini’s Method

  AUTHORS: Alfredo Morales Hernández, Mayra A. de León Alfaro, Antonio Barrera Villatoro, Ciro Falcony, Teodoro Rivera Montalvo, Juan Zarate Medina

  KEYWORDS: Modified Pechini Method, LaAlO3:Eu3+, Photoluminescence, Thermoluminescence

  JOURNAL NAME: Open Journal of Synthesis Theory and Applications, Vol.6 No.1, January 31, 2017

  ABSTRACT: The aim of the present work was to investigate the luminescent properties of europium-doped lanthanum aluminate (LaAlO3) powder prepared by Modified Pechini (MP) method. Samples were prepared at different Eu3+ concentrations and calcined at 1600°C. Structural and morphology characterizations were obtained by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscope (TEM). Luminescent properties were analyzed by photoluminescence (PL) and thermoluminescent phenomena. The XRD pattern shows pure lanthanum aluminate oxide LaAlO3 with a rhombohedral structure. Photoluminescence studies of the powders was related to 4f → 4f(5D0 → 7Fi) (i = 1, 2, 3, 4) transitions of Eu3+ ion, the most intense emission of Eu3+ in LaAlO3 was registered for the transition 5D0 → 7F1, for 5% of Eu3+. The recorded TL glow curves of excited samples showed a main TL peak, the main peak appeared its maximum as a function of excitation energy. The investigation demonstrates that polycrystalline LaAlO3:Eu3+ powders calcined at 1600°C have interesting luminescent characteristics.