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

提案编号：ECCS-0748009提案标题：CAREER-QMHP：了解纳米-微米界面的电子动力学PI姓名：Ghosh，AvikPI机构：弗吉尼亚大学主校区目的：本研究的目的是模拟纳米级电子元件如何与其微观或宏观环境相互作用。目标是探索晶体管沟道中的电流如何受到纳米尺寸吸附物的影响，从随机杂质到精密工程量子点。这项研究将使设计新的设备，如存储器和传感器，操作控制插入和操纵分子的“陷阱”。该方法是耦合的通道和点电子-在正式的水平上，通过求解各自的动力学方程，以匹配其响应函数，并在计算层面上，通过采用嵌入技术，以匹配其界面带结构。智力优点理解纳米-微米界面的动力学将被证明是设计新兴器件的关键，这些器件将涉及长度、时间和能量尺度的混合。该研究将增强对量子输运中多体效应的基本理解。它将连接学科、材料，并最终连接基础科学和技术应用之间的边界。更广泛的影响该研究将允许混合设备的工程运行在全新的原则，同时仍然与当今的硅技术接口。纳米科学将通过“动手”、体验式学习向Albemarle中学开放，并与弗吉尼亚科学博物馆合作向K-12学生和教师开放。基于网络的教育工具将部署在UVa虚拟实验室，NSF赞助的计算NanoHUB和正在开发的纳米科学课程。少数民族学生将通过涉及该大学的工程多样性中心的活动参与。

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.