Preparation, crystal structure and photoluminescence of Mn2+-doped magnesium pyroborates solid solutions, (Mg1-xMnx)2B2O5

被引：15

作者：

Kawano, Tetsuya ^{[1
]}

Suehiro, Takayuki ^{[1
]}

Sato, Tsugio ^{[1
]}

Yamane, Hisanori ^{[1
]}

机构：

[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan

来源：

JOURNAL OF LUMINESCENCE | 2010年 / 130卷 / 11期

关键词：

Manganese(II) ion; Triclinic magnesium pyroborate; Solid state reaction; Crystal structure; Powder X-ray diffraction; Photoluminescence;

D O I：

10.1016/j.jlumin.2010.06.012

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Solid solutions of manganese(II)-doped magnesium pyroborate, ((Mg1-xMnx)(2)B2O5, 0 < x <= 0.30, triclinic system, space group: P (1) over bar (no. 2)), were synthesized by solid state reaction. The unit cell parameters were refined by the Rietveld method of powder X-ray diffraction patterns. (Mg1-xMnx)(2)B2O5 showed broad red emission at 670 nm under 414 nm excitation. The wavelengths of the emission peak did not depend on the manganese content. Absorption of the d-d transitions of Mn2+ ions was observed in the photoluminescence excitation spectra. The emission intensity reached the maximum at a Mn content (x) of 0.05 and decreased with increasing x from 0.05 to 0.30. (c) 2010 Elsevier B.V. All rights reserved.

引用

页码：2161 / 2165

页数：5

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