CAREER-QMHP: Understanding Electron dynamics at the nano-micro interface

CAREER-QMHP：了解纳米-微米界面的电子动力学

• 批准号: 0748009
• 负责人: Avik Ghosh
• 金额: $ 40万
• 依托单位: University of Virginia Main Campus
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-02-01 至 2014-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0748009&HistoricalAwards=false
• 关键词: CAREER; QMHP; Understanding; Electron; dynamics

Proposal Number: ECCS-0748009Proposal Title: CAREER-QMHP: Understanding Electron dynamics at the nano-micro interfacePI Name: Ghosh, AvikPI Institution: University of Virginia Main CampusObjective: The objective of this research is to simulate how nanoscale electronic components interact with their micro or macro-environment. The goal is to explore how current in a transistor channel is influenced by nano-sized adsorbates, ranging from random impurities to precision-engineered quantum dots. The study will enable the design of novel devices such as memories and sensors, operating on the controlled insertion and manipulation of molecular 'traps'. The approach is to couple the channel and dot electrons -- at the formal level by solving their respective dynamical equations to match their response functions, and at the computational level by employing embedding techniques to match their interfacial band-structures. Intellectual MeritUnderstanding the dynamics at the nano-micro interface will prove crucial to the design of emerging devices that will involve a mixture of length, time and energy scales. The study will enhance fundamental understanding of many-body effects in quantum transport. It will bridge disciplines, materials, and ultimately, the boundary between fundamental science and technological applications. Broader Impact The research will allow the engineering of hybrid devices operating on fundamentally new principles, while still interfacing with present-day silicon technology. Nano-science will be made accessible to Albemarle middle schools through 'hands-on', experiential learning, and to K-12 students and teachers in partnership with the Science Museum of Virginia. Web-based education tools will be deployed on the UVa Virtual Lab, the NSF-sponsored Computational NanoHUB and a nanoscience curriculum under development. Minority students will be engaged through activities involving the university's Center for Diversity in Engineering.

提案编号：ECCS-0748009 Propoposal标题：Career-QMHP：了解纳米 - 微米界面的电子动力学名称：Ghosh，Avikpi机构：弗吉尼亚大学主要校园校园主体：这项研究的目的是模拟纳米级电子组件与它们的微观或宏观或宏观或麦克罗或麦克罗 - eNvironment互动。目的是探索晶体管通道中的电流如何受纳米大小的吸附物的影响，从随机杂质到精确设计的量子点。这项研究将使新型设备（例如记忆和传感器）的设计在受控插入和操纵分子“陷阱”上运行。该方法是通过求解其各自的动态方程式以匹配其响应函数，并在计算级别上通过使用嵌入技术来匹配其界面频段结构来匹配它们的响应函数，以搭配通道和点电子。智力划定的纳米微界面动力学将证明对新兴设备的设计至关重要，这些设备将涉及长度，时间和能量尺度的混合。该研究将增强对量子运输中多体效应的基本理解。它将弥合学科，材料，并最终弥合基本科学与技术应用之间的边界。该研究更广泛的影响将允许基于从根本的新原则运行的混合设备的工程，同时仍与当今的硅技术接触。 Albemarle中学将通过“动手”，体验式学习以及与弗吉尼亚州科学博物馆合作，可以使Albemarle中学的纳米科学能够获得纳米科学。基于Web的教育工具将部署在UVA虚拟实验室，NSF赞助的计算纳米ub和正在开发的纳米科学课程中。少数民族学生将通过涉及大学工程多样性中心的活动来参与。