CAREER: Controlled Assembly and Transport in Nanocrystal Structures

职业：纳米晶体结构中的受控组装和传输

• 批准号: 0449553
• 负责人: Marija Drndic
• 金额: --
• 依托单位: University of Pennsylvania
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2005
• 资助国家: 美国
• 起止时间: 2005-01-15 至 2011-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0449553&HistoricalAwards=false
• 关键词: CAREER; Controlled; Assembly; Transport; Nanocrystal

This is a Faculty Early Career Development (CAREER) Award, which investigates the mechanisms of nanocrystal assembly into electronic devices and the basic mechanisms of charge transport in them. The research will focus on the effects of Coulomb interactions, electron tunneling, and charge fluctuations. The model systems to be studied include well-defined configurations of nanocrystals in one and two-dimensional arrays. A range of tools will be used to study these systems, such as low-noise electrical measurements, charge imaging, and atomic-force microscopy. The project will provide excellent training for postdoctoral researchers, graduate and undergraduate students in device fabrication and measurements of nanostructures. As part of the proposed research, high-school students will be involved during the summer and will assist graduate students in the proposed experiments. As the electronic circuits are shrinking in size, the electronic industry will soon reach the nanometer size scales, where quantum effects dominate the electronic transport. At these small scales when electrons are confined into small regions, interesting new effects occur due to the fact that electronic charges and spins are quantized. The proposed research will focus on measurements of nanocrystals. Nanocrystals are nanometer-scale crystals that exhibit properties of both atoms and large crystals, and are already leading to new applications from electronics to biology and medicine. The proposed work will develop ways for controlled nanocrystal assembly into electronic devices, and will investigate the basic mechanisms of electronic transport through nanocrystal structures. This program is an excellent opportunity for undergraduate and graduate students to learn about device fabrication and electrical measurements. In addition, the female PI will be involved in a range of outreach activities, such as high-school outreach with the local Philadelphia schools, and the Women Interested in Studying Physics (WISP) group at the University of Pennsylvania.

这是一个教师早期职业发展（CAREER）奖，它调查了电子设备的组装机制和其中电荷传输的基本机制。研究将集中在库仑相互作用，电子隧穿和电荷波动的影响。要研究的模型系统包括定义明确的配置纳米晶体在一维和二维阵列。 一系列的工具将被用来研究这些系统，如低噪声电测量，电荷成像和原子力显微镜。该项目将为博士后研究人员、研究生和本科生提供纳米结构器件制造和测量方面的优秀培训。作为拟议研究的一部分，高中生将在夏季参与，并将协助研究生在拟议的实验。随着电子电路尺寸的缩小，电子工业将很快达到纳米尺寸尺度，量子效应主导电子输运。在这些小尺度下，当电子被限制在小区域内时，由于电子电荷和自旋被量子化的事实，有趣的新效应发生了。 拟议的研究将集中在纳米晶体的测量。 纳米晶体是纳米尺度的晶体，具有原子和大晶体的性质，并且已经导致从电子到生物和医学的新应用。 拟议的工作将开发出控制组装成电子器件的方法，并将研究电子传输通过电子结构的基本机制。该计划是本科生和研究生学习器件制造和电气测量的绝佳机会。 此外，女PI还将参与一系列外联活动，如与费城当地学校的高中外联活动，以及宾夕法尼亚大学的有兴趣学习物理的妇女（WISP）小组。