ENERGETIC O- IONS AND O ATOMS IN PLANAR MAGNETRON SPUTTERING OF ZNO TARGET

被引:26
作者
TOMINAGA, K
SUEYOSHI, Y
MUNFEI, C
SHINTANI, Y
机构
[1] Department of Electrical and Electronic Engineering, The University of Tokushima, Tokushima, 770
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 9B期
关键词
REACTIVE SPUTTERING OF ZNO; ENERGETIC NEGATIVE O- IONS; TIME-OF-FLIGHT MEASUREMENT; PRODUCTION MECHANISM OF O- IONS;
D O I
10.1143/JJAP.32.4131
中图分类号
O59 [应用物理学];
学科分类号
摘要
Energetic negative ions and neutral atoms were observed by a time-of-flight apparatus for the sputtering of a ZnO target in Ar, Ar+O2 and O2 gases by a conventional DC planar magnetron system. Gas pressure dependence of energetic ions such as O-, O2- and neutral O atoms was measured. The relative intensity of the flux of energetic 0- ions and 0 atoms in each sputtering gas was estimated, and the production mechanism of the energetic O-ions was discussed. The 0- ions were mainly produced by the sputtering of oxygen atoms by Ar+ ions. It was also confirmed that there exists a fairly strong flux of O ions at excited states.
引用
收藏
页码:4131 / 4135
页数:5
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