Luminescent properties of Eu3+-activated lithium rare earth borates and oxyborates

被引：150

作者：

Jubera, V ^{[1
]}

Chaminade, JP ^{[1
]}

Garcia, A ^{[1
]}

Guillen, F ^{[1
]}

Fouassier, C ^{[1
]}

机构：

[1] Univ Bordeaux 1, CNRS, ICMCB, UPR9048, F-33608 Pessac, France

来源：

JOURNAL OF LUMINESCENCE | 2003年 / 101卷 / 1-2期

关键词：

phosphors; berates; oxyborates; europium;

D O I：

10.1016/S0022-2313(02)00335-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The luminescence characteristics of Eu3+ in the borates Li6Y(BO3)(3) and Li3La2(BO3)(3) and the recently discovered oxyborates LiLa2O2BO3, LiLn(6)O(5)(BO3)(3) (Ln=Y,Gd) and Li2Lu5O4(BO3)(3) have been investigated and compared to those in the borates LnBO(3) (Ln = La,Y) and the oxyborates "Ln(3)BO(6)" (Ln = La,Gd). The probability of electric dipole f-f transitions is generally markedly higher in oxyborates than in borates. This is ascribed to the highly, anisotropic environment of rare earth ions and the low position of the charge transfer states. Consequently, the Eu3+ -activated oxyborates are characterized by a deeper red emission and faster decay. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：1 / 10

页数：10

共 29 条

[11] A new family of lithium rare-earth oxyborates, LiLn6O5(BO3)3 (Ln = Pr-Tm):: Crystal structure of the gadolinium phase LiGd6O5(BO3)3
Chaminade, JP
Gravereau, P
Jubera, V
Fouassier, C
[J]. JOURNAL OF SOLID STATE CHEMISTRY, 1999, 146 (01) : 189 - 196
[12] FU WT, 1987, J PHYS CHEM SOLIDS, V48, P245
[13] HYPERSENSITIVITY IN ELECTRONIC-TRANSITIONS OF LANTHANIDE AND ACTINIDE COMPLEXES
HENRIE, DE
FELLOWS, RL
CHOPPIN, GR
[J]. COORDINATION CHEMISTRY REVIEWS, 1976, 18 (02) : 199 - 224
[14] CHARGE-TRANSFER ABSORPTION-BAND OF EU3+ IN OXIDES
HOEFDRAAD, HE
[J]. JOURNAL OF SOLID STATE CHEMISTRY, 1975, 15 (02) : 175 - 177
[15] OPTICAL STUDY OF EU-3+ LUMINESCENCE IN LITHIUM RARE-EARTH BORATES, LI6GD(BO3)3, LI6Y(BO3)3
HOLSA, J
LESKELA, M
[J]. JOURNAL OF LUMINESCENCE, 1991, 48-9 : 497 - 500
[16] Crystal structure of the new borate Li3Gd(BO3)2.: Comparison with the homologous Na3Ln(BO3)2 (Ln: La, Nd) compounds
Jubera, V
Gravereau, P
Chaminade, JP
[J]. SOLID STATE SCIENCES, 2001, 3 (04) : 469 - 475
[17] A new oxyborate in the ternary phase diagrams Li2O-Ln2O3-B2O3: Li2Ln5O4(BO3)3 (Ln=Yb, Lu):: Crystal structure of the ytterbium phase
Jubera, V
Gravereau, P
Chaminade, JP
Fouassier, C
[J]. JOURNAL OF SOLID STATE CHEMISTRY, 2001, 156 (01) : 161 - 167
[18] JUBERA V, 2001, THESIS U BORDEAUX
[19] JUSTEL T, 1998, P 7 INT S LUM MAT EL, V9824, P103
[20] KABAL M, 1982, SOLID STATE IONICS, V6, P191

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