Study on Functional Surface Formation by Liquid Cluster Ion Beams
液态团簇离子束形成功能表面的研究
基本信息
- 批准号:16360152
- 负责人:
- 金额:$ 9.02万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2004
- 资助国家:日本
- 起止时间:2004 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A cluster is an aggregate of a few tens to several thousands of atoms, and constitutes a new phase of matter, with significantly different properties than solids, liquids and gases. They are tiny particles, which are in a position to a link between atomic state and bulk state. Cluster beams are useful tools for the investigation of the fundamentals of solid state physics, chemistry and related materials science. In this study, we have developed a liquid cluster ion beam system, and have produced liquid clusters such as alcohol, water and paraffin clusters by adiabatic expansion phenomenon. Furthermore, we have applied the liquid cluster ion beam technique to various industrial fields such as electric and electronic engineering, optical and mechanical engineering, and chemical engineering.In order to clarify the interactions of the liquid cluster ions with solid surfaces such as Si(100), Si0_2 and/or metal surfaces, sputtering and cleaning effects were investigated using the time-of-flight and the retarding potential methods. The physical and chemical sputtering, which was much enhanced by the liquid cluster ion irradiation, was different depending on the species of the cluster and the substrate materials. For example, for the chemical sputtering of the Si surfaces by the ethanol cluster ion beams, the energy per molecule in a cluster was of much importance, and the optimum energy range was between 1 eV/molecule and 10 eV/molecule. For the case of Au surfaces, the sputtered depth decreased with the increase of the retarding voltage, and the physical sputtering was influenced by the minimum size of the cluster. Thus, the surface reaction dynamics between the liquid clusters and the surface atoms were significantly different from that of conventional wet processes.
星团是由几十到几千个原子聚集而成的,它构成了物质的一个新阶段,与固体、液体和气体有着显著不同的性质。它们是微小的粒子,处于原子态和体态之间的联系。束束是研究固态物理、化学和相关材料科学基础的有用工具。在本研究中,我们开发了一种液体团簇离子束体系,并通过绝热膨胀现象产生了酒精、水和石蜡团簇等液体团簇。此外,我们还将液体簇离子束技术应用于电气与电子工程、光学与机械工程、化学工程等各个工业领域。为了弄清液体簇离子与固体表面(如Si(100), Si0_2和/或金属表面)的相互作用,利用飞行时间和延迟电位方法研究了溅射和清洗效果。液体团簇离子辐照后的物理和化学溅射效果随团簇的种类和衬底材料的不同而不同。例如,乙醇簇离子束在Si表面的化学溅射,簇中每分子的能量是非常重要的,最佳能量范围在1 eV/分子到10 eV/分子之间。对于Au表面,溅射深度随延迟电压的增加而减小,物理溅射受簇最小尺寸的影响。因此,液体团簇与表面原子之间的表面反应动力学与传统湿法工艺有显著不同。
项目成果
期刊论文数量(26)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Size Analysis of Ethanol Cluster Ions and Their Sputtering Effects on Solid Surfaces
乙醇簇离子的尺寸分析及其对固体表面的溅射效应
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:G.H.Takaoka;M.Kawashita et al.
- 通讯作者:M.Kawashita et al.
Formation of Almost Delta-Layered Nanoparticles in SiO_2 Thin Film on Si Substrate by Metal Negative-Ion Implantation
金属负离子注入在Si衬底上SiO_2薄膜中形成近δ层状纳米粒子
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:G.H.Takaoka;M.Kawashita et al.;J.Ishikawa et al.
- 通讯作者:J.Ishikawa et al.
interactions of Argon Cluster Ion Beams with Silicon Surfaces
氩团簇离子束与硅表面的相互作用
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:G.H.Takaoka;M.Kawashita et al.
- 通讯作者:M.Kawashita et al.
Photocatalytic Properties of TiO_2 Films Prepared by O_2 Cluster Ion Beam Assisted Deposition Method
O_2簇离子束辅助沉积法制备TiO_2薄膜的光催化性能
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:G.H.Takaoka;M.Kawashita et al.
- 通讯作者:M.Kawashita et al.
Multiparameter Characterization of Oxygen Cluster Ion Beams
氧簇离子束的多参数表征
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:D.Nicolaescu;G.H.Takaoka;J.Ishikawa
- 通讯作者:J.Ishikawa
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TAKAOKA Gikan其他文献
TAKAOKA Gikan的其他文献
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{{ truncateString('TAKAOKA Gikan', 18)}}的其他基金
Study on size separation and structural analysis of hydrate clusters and their interactions with solid surfaces
水合物簇的尺寸分离和结构分析及其与固体表面的相互作用研究
- 批准号:
24360010 - 财政年份:2012
- 资助金额:
$ 9.02万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
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