ATOMICALLY CLEAN SURFACES BY PULSED LASER BOMBARDMENT

被引：83
作者：
BEDAIR, SM
SMITH, HP
机构：
[1] Space Sciences Laboratory, Department of Nuclear Engineering, University of California, Berkeley
来源：
JOURNAL OF APPLIED PHYSICS | 1969年 / 40卷 / 12期
关键词：
D O I：
10.1063/1.1657288
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
It is shown that high power, Q-spoiled lasers offer an interesting method for obtaining clean surfaces in vacuum. However, complete removal of oxygen and sulfur contamination from nickel surfaces by laser bombardment at 100 MW/cm 2 produced irreparable surface damage that is attributed to filamentizing of the laser beam and/or to nonuniform surface reflectivity. On the other hand, application of the technique at 30 MW/cm2 successfully removed the (7×7) satellite structure from (111) silicon surfaces without surface damage. © 1969 The American Institute of Physics.
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页码：4776 / &
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