Defects in calcium tungstate crystals

被引:9
作者
Blistanov, A. A.
Zakutailov, K. V.
Ivanov, M. A.
Kvyat, E. V.
Klassen, A. V.
Kochurikhin, V. V.
Yakimova, I. O.
机构
[1] Moscow State Inst Steel & Alloys, Moscow 119049, Russia
[2] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
关键词
D O I
10.1134/S1063774506040201
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The role of defects formed owing to the deviations from stoichiometry is analyzed for CaWO4 single crystals grown by the Czochralski method. It is shown that the defects leading to the light scattering in CaWO4 crystals affect the spectra of X-ray luminescence and the luminescence kinetics only slightly, but give rise to an additional peak in the thermoluminescence spectrum. Addition of WO3 to the melt eliminates the light scattering and the additional thermoluminescence peak.
引用
收藏
页码:661 / 663
页数:3
相关论文
共 6 条
[1]  
BLISTANOV AA, 2002, IZV VYSSH UCHEBN ZAV, P38
[2]   GROWTH DEFECTS IN CALCIUM TUNGSTATE SINGLE CRYSTALS [J].
COCKAYNE, B ;
ROBERTSON, DS ;
BARDSLEY, W .
BRITISH JOURNAL OF APPLIED PHYSICS, 1964, 15 (10) :1165-&
[3]  
GURVICH AM, 1975, PHOSPHORS MAT SPECIA
[4]  
GURVICH AM, 1976, ZH PRIKL SPEKTROSK, V23, P158
[5]   CALCIUM TUNGSTATE - CZOCHRALSKI GROWTH, PERFECTION, AND SUBSTITUTION [J].
NASSAU, K ;
BROYER, AM .
JOURNAL OF APPLIED PHYSICS, 1962, 33 (10) :3064-&
[6]   DISTRIBUTION COEFFICIENTS, CAVITY FORMATION AND CELLULAR STRUCTURES IN CZOCHRALSKI CAWO4 CRYSTALS [J].
OEDER, R ;
SCHARMANN, A ;
SCHWABE, D .
JOURNAL OF CRYSTAL GROWTH, 1976, 36 (01) :1-3