Tunneling CNT Device for Electronic and Sensing Applications

用于电子和传感应用的隧道 CNT 器件

• 批准号: 0555734
• 负责人: Horacio Espinosa
• 金额: $ 30万
• 依托单位: Northwestern University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2007
• 资助国家: 美国
• 起止时间: 2007-03-01 至 2011-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0555734&HistoricalAwards=false
• 关键词: Tunneling; CNT; Device; Electronic; Sensing

Intellectual Merit: Nanoelectromechanical systems (NEMS) are currently being investigated and developed for various applications where technological demands require reduced component size and cost, while dramatically increasing device performance and functionality. These competing factors have presented significant challenges in device design. The Espinosa's group recently conceived a carbon-nanotube-based cantilever nanoelectromechanical device, which exploits the arrest of the nanotube in a pull-in state using the closed-loop feedback provided by the tunneling current at the cantilever end. This project will focus in the study of the device dynamics, its application to memory and logical operations as well as their large scale manufacturing. In contrast to other nanoelectromechanical systems, the device to be investigated does not rely on van der Waals forces to achieve the equilibrium configurations and therefore it is much more tolerant in terms of fabrication requirements. Broader Impact: In this work we propose to fabricate and experimentally characterize the recently invented carbon-nanotube-based cantilever nanoelectromechanical system. Moreover, a bottom up paradigm based on directed self-assembly of nanostructures will be explored in the manufacturing of arrays of devices. These developments are expected to impact the field of nanoelectronics and sensing. The educational and outreach component of this project will focus on providing opportunities to undergraduate and minorities students, through collaboration with existing programs within the NSF-NSEC at Northwestern University, to participate in 9-week summer internships. Likewise, modules on NEMS modeling and fabrication will be added to the classes the PI currently teaches

智力优势：纳米机电系统（NEMS）目前正在针对各种应用进行研究和开发，这些应用的技术要求需要减小组件尺寸和成本，同时显着提高设备性能和功能。这些竞争因素给设备设计带来了重大挑战。 Espinosa 的团队最近构思了一种基于碳纳米管的悬臂纳米机电装置，该装置利用悬臂末端隧道电流提供的闭环反馈将纳米管阻止在拉入状态。该项目将重点研究器件动力学、其在存储器和逻辑运算中的应用及其大规模制造。与其他纳米机电系统相比，要研究的装置不依赖范德华力来实现平衡配置，因此它在制造要求方面更加宽容。更广泛的影响：在这项工作中，我们建议制造并通过实验表征最近发明的基于碳纳米管的悬臂纳米机电系统。此外，将在器件阵列的制造中探索基于纳米结构定向自组装的自下而上范例。这些发展预计将影响纳米电子学和传感领域。该项目的教育和外展部分将侧重于通过与西北大学 NSF-NSEC 现有项目合作，为本科生和少数族裔学生提供参加为期 9 周的暑期实习的机会。同样，NEMS 建模和制造模块将添加到 PI 目前教授的课程中