GOALI: ELASTIC WAVE RESONATORS

目标：弹性波谐振器

• 批准号: 1202190
• 负责人: Balaji Panchapakesan
• 金额: $ 35.3万
• 依托单位: University of Louisville Research Foundation Inc
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-06-01 至 2014-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1202190&HistoricalAwards=false
• 关键词: GOALI; ELASTIC; WAVE; RESONATORS

Abstract: Current techniques used for metrology are plagued by slow measurement speed, susceptibility to surface interactions, and some techniques can even deform the measured surface due to tip wear on the surface. Development of new tools to address these challenges could spawn a new era in the area of nano-metrology, and nano-assembly of structures. Such systems can have significance in the area of electronics, optical, and biological applications. This integrated research and education GOALI proposal centers around the development of elastic wave resonators and integration of Ag2Ga nano-needles and photomechanical actuators to enable precise tools for nanomanipulation, nano-metrology and nano-assembly. The principle of elastic wave resonators is a method by which single and multidimensional standing waves propagate at a rate of kHz to MHz along a high aspect ratio micro-scale filament. The magnitude of energy contained within the "wave packet" compared to the flexibility and stiffness of the filament enable pronounced standing waves to be generated and sustained along the filament. The proposal objectives are to investigate the use of nanoscale standing wave probe resonators for metrology, understand the electro-mechanical limits and scaling issues of such resonators, develop mathematical models and develop applications in nano-assembly. The educational aspects of the proposal are utilizing research based undergraduate course in nano-mechanical resonators, internships at industrial sites, graduate level course on nano-mechanical resonators, and opportunities for underrepresented students in this exciting area.

摘要：目前的测量技术存在测量速度慢、易受表面相互作用的影响，一些测量技术甚至会因表面尖端磨损而使被测表面变形等问题。解决这些挑战的新工具的开发可能会在纳米计量和纳米结构组装领域开创一个新时代。这样的系统在电子、光学和生物应用领域具有重要意义。这项综合研究和教育计划围绕弹性波谐振器的开发和Ag2Ga纳米针和光电致动器的集成，为纳米操作、纳米计量和纳米组装提供精确的工具。弹性波谐振器的原理是单驻波和多维驻波沿高纵横比微尺度细丝以千赫到兆赫的速率传播的一种方法。与长丝的柔韧性和刚度相比，“波包”中包含的能量的大小使明显的驻波能够沿着长丝产生和持续。该提案的目标是研究纳米驻波探针谐振器在计量中的应用，了解这种谐振器的机电限制和缩放问题，建立数学模型并开发在纳米组装中的应用。该提案的教育方面是利用基于纳米机械谐振器研究的本科课程，工业现场实习，纳米机械谐振器研究生课程，以及为这个令人兴奋的领域中代表性不足的学生提供机会。