NER: Elliptically-Polarized-Surface-Wave-Scattering-Based Diagnosis of Self-Assembly and Nano-Fabrication

NER：基于椭圆偏振表面波散射的自组装和纳米制造诊断

• 批准号: 0403703
• 负责人: M. Pinar Menguc
• 金额: $ 10万
• 依托单位: University of Kentucky Research Foundation
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-07-01 至 2005-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0403703&HistoricalAwards=false
• 关键词: NER; Elliptically; Polarized; Surface; Wave

The objective of this research is to develop and test a novel diagnostic system to characterize self-assembly of nano-size (5-10 nm in diameter) particles and structures via elliptically-polarized surface-wave scattering. With this approach, the formation of nano particles on a surface can be monitored while the solution chemistry is altered for optimal particle dispersion. This is achieved by measuring the angular profiles of scattered surface waves at different polarization settings. By nature, the surface waves are more sensitive to particles and objects near a thin metallic film; therefore, their scattering patterns allow the detection of nano-size particles more accurately and beyond what the traditional light scattering approaches can achieve. The proposed diagnostic tool is likely to be an important and integral part of many nano-fabrication techniques, which are projected to grow significantly over the next several decades. Applications of such a tool will be numerous, and will include as diverse research areas as electronics, bulk material fabrication, membrane synthesis, nano-mechanical systems, as well as DNA screening. This technique will allow the construction of powerful on-line diagnostic tools, which may be used for real time feedback control of self-assembled nanostructures, and may provide a much less expensive alternative to the traditional electron and atomic-force microscopy measurements. This research project is likely to have a significant indirect impact on the society at large, as it will be instrumental in reducing the costs and improving the reliability of nanoparticle-based devices, tools and manufacturing applications.

这项研究的目的是开发和测试一种新型的诊断系统，以表征纳米大小（直径为5-10 nm）颗粒和结构通过椭圆形的表面波散射的自我组装。通过这种方法，可以监测溶液化学因素以进行最佳颗粒分散时，可以监测表面上的纳米颗粒的形成。这是通过在不同极化设置下测量散射表面波的角曲线来实现的。从本质上讲，表面波对薄金属膜附近的颗粒和物体更敏感。因此，它们的散射模式可以更准确地检测纳米尺寸的颗粒，并超出传统的光散射方法可以实现的目标。提出的诊断工具可能是许多纳米制作技术的重要组成部分，预计在未来几十年中，这些技术将显着增长。这种工具的应用将是大量的，并且包括电子，散装物质制造，膜合成，纳米机械系统以及DNA筛查等多样化的研究领域。该技术将允许建造功能强大的在线诊断工具，该工具可用于对自组装纳米结构的实时反馈控制，并可能为传统电子和原子能显微镜测量提供了更便宜的替代方案。该研究项目可能会对整个社会产生重大的间接影响，因为它将有助于降低成本并提高基于纳米颗粒的设备，工具和制造应用的可靠性。