Spectral-luminescent properties of AgLa1-x Eu x (MoO4)2 solid solutions

被引：1

作者：

Yakovlev, V. G. ^{[1
]}

Mikhailin, V. V. ^{[1
]}

Romanenko, A. Yu. ^{[1
]}

Basovich, O. M. ^{[2
]}

Khaikina, E. G. ^{[2
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Opt & Spect, Fac Phys, Moscow 119991, Russia

[2] Russian Acad Sci, Baikal Inst Nat Management, Siberian Branch, Ulan Ude, Russia

来源：

MOSCOW UNIVERSITY PHYSICS BULLETIN | 2009年 / 64卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

luminescence; spectroscopy; complex molybdenum oxides; X-ray diffraction; RARE-EARTH ELEMENTS; DOUBLE MOLYBDATES; SILVER; AGLNMO2O8;

D O I：

10.3103/S0027134909050105

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The luminescent properties of AgLa1 - x Eu (x) (MoO4)(2) (x = 0.1, 0.2, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0) under laser excitation (lambda = 337.1 nm) are studied. It is shown that, upon substitution of Eu3+ for La3+, the symmetry of luminescence centers does not vary. According to the X-ray diffraction data, all samples have scheelite-like structure; the pattern of variation in volumes of their unit cells counts in favor of the presence of a continuous series of solid solutions. It is found that an increase in the europium concentration in AgLa1 - x Eu (x) (MoO4)(2) leads to an increase in the luminescence intensity with a maximum at x = 0.9.

引用

页码：519 / 522

页数：4

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