Luminescence and scintillation properties of rare-earth-doped BaLu2F8 single crystals grown by the micro-pulling-down method

被引：5

作者：

Pejchal, Jan ^{[1
,2
]}

Fukuda, Kentaro ^{[3
]}

Futami, Yoshisuke ^{[1
]}

Nikl, Martin ^{[2
]}

Kawaguchi, Noriaki ^{[3
]}

Yokota, Yuui ^{[1
]}

Kral, Robert ^{[2
]}

Yoshikawa, Akira ^{[1
,4
]}

机构：

[1] Tohoku Univ, Inst Mat Res, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan

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

[3] Tokuyama co, Chiyoda Ku, Tokyo 1008983, Japan

[4] Tohoku Univ, New Ind Creat Hatchery Ctr, Aoba Ku, Sendai, Miyagi 9808579, Japan

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 12 | 2012年 / 9卷 / 12期

关键词：

barium lutetium fluoride; vacuum ultraviolet; scintillator; rare-earth doping; LU;

D O I：

10.1002/pssc.201200301

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The BaLu2F8 crystals doped with 1 mol% Tm, Nd and Er were prepared by micro-pulling-down method to study their scintillation and luminescence properties. The unwanted phase transition from orthorhombic structure to monoclinic one, which occurs some 50 degrees C below the melting point, was avoided using Li-flux. No Li-containing secondary phase was observed. Radioluminescence measurements of Nd-doped samples revealed 5d-4f Nd3+ luminescence situated around 180nm, the intensity of which was comparable with that of the LaF3:Nd 8% reference scintillator sample. Further slight enhancement of the Nd3+ 5d-4f emission was achieved by Tm3+ co-doping probably due to energy transfer from the Tm3+ 5d levels to the Nd3+ ones. (c) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：2243 / 2246

页数：4

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