Magnetic properties and oxidation states of manganese ions in doped phosphor Zn2SiO4:Mn

被引：18
作者：
Zaitseva, Natalia A. [1 ,2 ]
Onufrieva, Tatiana A. [1 ]
Barykina, Julia A. [1 ]
Krasnenko, Tatiana I. [1 ]
Zabolotskaya, Elena V. [1 ]
Samigullina, Rina F. [1 ]
机构：
[1] Russian Acad Sci, Inst Solid State Chem, Ural Branch, 91 Pervomaiskaya St, Ekaterinburg 620990, Russia
[2] Ural State Min Univ, 30 Kuibyshev St, Ekaterinburg 620144, Russia
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2018年 / 209卷
关键词：
Zinc orthosilicate; Manganese; Magnetic susceptibility; Electronic paramagnetic resonance (EPR); ZINC SILICATE NANOPHOSPHOR; SOL-GEL SYNTHESIS; LUMINESCENCE PROPERTIES; ZNO NANOPARTICLES; PHOTOLUMINESCENCE; MN; COMPOSITE; CRYSTALS;
D O I：
10.1016/j.matchemphys.2018.01.071
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Investigation of magnetic susceptibility and electron paramagnetic resonance of the samples from the region of solid solution Zn2-2xMn2xSiO4 shows that at x <= 0.1 the oxidation state of all manganese ions is +2. At x >= 0.2, manganese is present as Mn2+ and Mn3+. Crystal-chemical studies show that defect formation mechanism changes for 0.1 <= x <= 0.2. Oxidation of part of Mn2+ ions at x > 0.1 causes lumi-nescence concentration quenching in this region of x. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：107 / 111
页数：5
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