Secondary Ion Emission from Si Subjected to Oxygen Ion Bombardment
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概要
- 論文の詳細を見る
The secondary ion yields and energy distribution of positive ion species sputtered from an Si surface under O^+_2 ion bombardment were measured using UHV-SIMS. The SIMS spectra obtained contained peaks due to the following cluster ion species; Si^+, SiO^+, Si^+_2, Si_2O^+, SiO^+_2, Si_2O_^+_2 and Si_2O^+_3. The secondary ion yield was found to exhibit a depend on the primary ion energy. The secondary Si ion yield increased gradually with increasing energy, but the secondary cluster ion yield first increased and then decreased gradually through a maximum at an energy of 10〜15 keV. The most probable energies of cluster ions such as Si_2O^+ and Si_2O^+_3 were also found to vary with the primary ion energy. The FWHM values in the energy distributions decreased linearly with increase in the mass of the sputter ion species, while the tail factor decreased with the mass of the cluster ions.
- 社団法人応用物理学会の論文
- 1984-11-20
著者
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TAGA Yasunori
TOYOTA Central R&D Laboratories, Inc.
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Taga Yasunori
Toyota Central Research And Development Laboratories Inc.
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Taga Yasunori
Toyota Central R & D Laboratories Inc.
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OHWAKI Takeshi
Toyota Central R & D Laboratories Inc.
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Ohwaki Takeshi
Toyota Central Research And Development Laboratories Inc.
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