Rare-earth antisites in lutetium aluminum garnets: Influence on lattice parameter and Ce3+ multicenter structure

被引：28

作者：

Przybylinska, H. ^{[1
]}

Wittlin, A. ^{[1
,2
]}

Ma, Chong-Geng ^{[3
]}

Brik, M. G. ^{[4
]}

Kaminska, A. ^{[1
]}

Sybilski, P. ^{[1
]}

Zorenko, Yu. ^{[5
]}

Nikl, M. ^{[6
]}

Gorbenko, V. ^{[5
,7
]}

Fedorov, A. ^{[8
]}

Kucera, M. ^{[9
]}

Suchocki, A. ^{[1
,5
]}

机构：

[1] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

[2] Cardinal Stefan Wyszynski Univ Warsaw, PL-01815 Warsaw, Poland

[3] Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China

[4] Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia

[5] Kazimierz Wielki Univ, Inst Phys, PL-85072 Bydgoszcz, Poland

[6] Inst Phys AS CR, Prague 16253, Czech Republic

[7] Ivan Franko Natl Univ Lviv, Dept Elect, UA-79017 Lvov, Ukraine

[8] NAS Ukraine ISMA, Inst Scintillat Mat, UA-61158 Kharkov, Ukraine

[9] Charles Univ Prague, Fac Math & Phys, CR-12116 Prague 2, Czech Republic

来源：

OPTICAL MATERIALS | 2014年 / 36卷 / 09期

关键词：

Garnets; Scintillators; Laser materials; Phosphors; DOPED YAG; CRYSTALS; DEFECTS; LUAG; LUMINESCENCE; SCINTILLATOR; PHOSPHORS; STOICHIOMETRY; TRANSITIONS; LINES;

D O I：

10.1016/j.optmat.2014.04.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low temperature, infrared transmission spectra of lutetium aluminum garnet (LuAG) bulk crystals and epitaxial layers doped with Ce are presented. In the region of intra-configurational 4f-4f transitions the spectra of the bulk LuAG crystal exhibit the signatures of several different Ce3+ related centers. Apart from the dominant center, associated with Ce substituting lutetium, at least six other centers are found, some of them attributed to so-called antisite locations of rare-earth ions in the garnet host, i.e., ions in the Al positions. X-ray diffraction data prove lattice expansion of bulk LuAG crystals due presence of rare-earth antisites. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：1515 / 1519

页数：5

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