Correlation between plasma expansion dynamics and gold-thin film structure during pulsed-laser deposition

被引:48
作者
Irissou, E [1 ]
Le Drogoff, B [1 ]
Chaker, M [1 ]
Guay, D [1 ]
机构
[1] INRS Energie & Mat, Varennes, PQ J3X 1S2, Canada
关键词
D O I
10.1063/1.1458534
中图分类号
O59 [应用物理学];
学科分类号
摘要
Pulsed-laser deposition of Au thin films has been achieved by ablating a gold target with a KrF excimer Laser in various conditions of ambient Ar gas pressure (from 10(-5) to 4 Torr) and target-to-substrate distance (from 1.0 to 11 cm). The dynamics of the plasma plume were measured in the same conditions. Highly oriented Au (111) thin films are obtained for pressure-distance deposition conditions such that the neutral Au species have a typical velocity larger than 2 km s(-1), while a polycrystalline powder is obtained when the typical velocity is smaller than 0.8 km s(-1). (C) 2002 American Institute of Physics.
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页码:1716 / 1718
页数:3
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