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

页码：204 / 208

页数：5

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