高温闪烁晶体Ce:YAP的化学腐蚀形貌

1.中国科学院上海光学精密机械研究所,上海,201800

2.中国科学院上海光学精密机械研究所,上海,201800

3.中国科学院上海光学精密机械研究所,上海,201800

4.中国科学院上海光学精密机械研究所,上海,201800

5.中国科学院上海光学精密机械研究所,上海,201800

6.中国科学院上海光学精密机械研究所,上海,201800

7.中国科学院上海光学精密机械研究所,上海,201800

Etching Figures in High-temperature Scintillating Crystal Ce:YAP

本文报导了Ce:YAP晶体位错蚀坑的腐蚀条件;同时报导了几个主要晶面的位错蚀坑形貌,(100)面呈扁豆形,(010)面呈菱形,(101)面呈椭圆形,这些形状与各自晶面的对称性一致.通过蚀坑形貌在晶体横截面内观察到了小面生长核心区和熔质尾迹等缺陷,并分析了其成因.

[1]	Neuroth G.;Wallrafen F. .Czochralski growth and characterisation of pure and doped YAlO3 single crystals[J].Journal of Crystal Growth,1999(Pt.1):435-439.
[2]	Wojtowicz AJ.;Lempicki A.;Brecher C.;Glodo J. .Recombination and scintillation processes in YAlO3 : Ce[J].Journal of Physics. Condensed Matter,1998(37):8401-8415.
[3]	Vittori F et al.Comparion between YAP:Ce and CsI:Tl Matrices[J].Nuclear Physics B,1998,61:638-643.
[4]	Kapusta M.;Moszynski M.;Pawelke J.;Balcerzyk M. .High-energy resolution observed from a YAP:Ce scintillator[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,1999(3):610-613.
[5]	Suzuki M et al.YAP(Ce) Imager Operated in High Energy X-ray Region[J].Nuclear Instruments and Methods in Physics Research A:Accelerators,Spectrometers,Detectors and Associated Equipment,2001,467-468:1121-1124.
[6]	李涛,赵广军,何晓明,徐军,潘守夔,徐月泉.高温闪烁晶体Ce∶YAP的生长研究[J].人工晶体学报,2002(02):85-89.
[7]	闵乃本,杨永顺.直拉法YAG的小面生长和邻位面生长[J].物理学报,1979(03):285-296.

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