Spectroscopic properties of Nd3+ ions in YAP nano-perovskites

被引：9
|
作者：
Hernandez-Rodriguez, M. A. [1 ]
Lozano-Gorrin, A. D. [1 ]
Martin, I. R. [1 ,2 ,4 ]
Rodriguez-Mendoza, U. R. [1 ,2 ,4 ]
Lavin, V. [1 ,2 ,3 ]
机构：
[1] Univ La Laguna, Dept Fis, E-38200 San Cristobal De La Lagu, Santa Cruz De T, Spain
[2] Univ La Laguna, MALTA Consolider Team, E-38200 San Cristobal De La Lagu, Santa Cruz De T, Spain
[3] Univ La Laguna, Inst Univ Estudios Avanzados Fis Atom Mol & Foton, E-38200 San Cristobal De La Lagu, Santa Cruz De T, Spain
[4] Univ La Laguna, Inst Univ Mat & Nanotecnol IMN, E-38200 San Cristobal De La Lagu, Santa Cruz De T, Spain
来源：
JOURNAL OF LUMINESCENCE | 2017年 / 188卷
关键词：
Pechini method; Thermal treatment; YAP nano-perovskites; X-ray diffraction; Site selection spectroscopy; ENERGY-TRANSFER; SCINTILLATOR; CATIO3; THERMOLUMINESCENCE;
D O I：
10.1016/j.jlumin.2017.04.031
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Yttrium aluminium nano-perovskite doped with different concentrations of Nd3+ (YAP: Nd3+) were successfully synthesized by the Pechini sol-gel method at 1200 degrees C and 1550 degrees C. X-ray powder diffraction patterns confirmed the monoclinic and orthorhombic structure space group P2/m and Puma for the samples treated at 1200 degrees C and 1550 degrees C respectively. Yttrium aluminium garnet phase was detected in both treatments, being more noticeable at 1200 degrees C treated samples. The non-equivalent center nature of these samples was observed performing site selection spectroscopy, confirming the presence of two different sites for the Nd3+ ions in the samples, associated with perovskite and garnet phases, previously detected in XRD measurements. The study of the luminescence dynamics of YAP: Nd3+ nano-perovskites treated at 1550 degrees C for all concentrations was carried out, confirming the existence of the energy transfer between Nd3+ ions. Time resolved spectroscopy allowed to confirm that the thermal treatment at 1550 degrees C was the proper one in order to obtain nano-perovskites.
引用
收藏
页码：204 / 208
页数：5
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