BEAM TARGET INTERACTION DURING GROWTH OF YBA2CU3O7-X BY THE LASER ABLATION TECHNIQUE

被引:19
作者
COHEN, A [1 ]
ALLENSPACHER, P [1 ]
BRIEGER, MM [1 ]
JEUCK, I [1 ]
OPOWER, H [1 ]
机构
[1] DEUTSCHE FORSCHUNGSANSTALT LUFT & RAUMFART,INST TECH PHYS,W-7000 STUTTGART,GERMANY
关键词
D O I
10.1063/1.106068
中图分类号
O59 [应用物理学];
学科分类号
摘要
It was proven by powder x-ray diffractometry and by energy dispersive x-ray analysis (EDX) that after ablation of the ceramic YBa2Cu3O7-x target by the excimer laser pulses the original composition of the target remained unchanged. The depth of ablation was measured as a function of the energy density of the laser beam. The absorption coefficient for ablation, in case of ceramic material with a density of 5.4 g/cm3, was alpha = 4.45 X 10(4) cm-1 and the minimum energy density was 2.5 J/cm2. The temperature that the ablated material was subjected to, in the energy range of 2.5-3.4 J/cm2, did not exceed 970-degrees-C.
引用
收藏
页码:2186 / 2188
页数:3
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