NIRT: Electronic and Mechanical Devices from Graphene Films

NIRT：来自石墨烯膜的电子和机械器件（NSF提案ECS-0609243; P.C.埃克隆德，PI; Penn州立大学）这个NSF NIRT项目集中在由原子级薄碳膜构成的器件上，该原子级薄碳膜由少量（n）sp2键合的碳单层（即，n石墨烯层膜或nGL）。这些薄膜的物理性质的基本调查将与n，以评估如何限制电子原子薄和窄的薄膜（条纹几何）将影响电子和机械性能。条纹几何形状也将被研究用于化学传感器的开发，其中暴露的扶手椅或锯齿形石墨烯边缘用将结合到特定分析物的端基官能化。智力优势：我们还将研究基于掺杂石墨烯的高导电电路互连的生产，理论上认为这应该显示出作为2D超金属的前景。 基于AFM的局部探针研究，如扫描栅显微镜和电力显微镜，将被用来研究载流子散射机制和线性色散关系的nGL FET，分别。原子薄GL条纹和膜装置将分别研究，用于致动器（纳米肌肉）和超灵敏质量检测器。 这两种机械装置都需要详细测量和了解nGL与n的弹性模量。一个强大的理论组成部分已建成的项目，以帮助阐明许多物理特性和设备的行为，我们将观察到这类新的原子薄膜。更广泛的影响：我们将把我们的推广重点放在为暑期科学营K-16学生创建教育单位。为了优化这项活动，我们将再次与既定的行动潜力科学体验（APSE）计划，K-16宾夕法尼亚州立大学的推广和服务学习计划，其中大学教师，研究人员，研究生和本科生将在夏季教授实践，以科学为基础的实验室。

NIRT: Electronic and Mechanical Devices from Graphene Films (NSF proposal ECS-0609243; P.C. Eklund, PI; Penn State University)This NSF NIRT project focuses on devices built from atomically thin carbon films comprised of a small number (n) of sp2-bonded carbon monolayers (i.e., n graphene-layer film or nGL). Fundamental investigation of the physical properties of these films will be made vs. n to assess how the confinement of electrons to atomically thin and narrow films (stripe geometry) will affect the electronic and mechanical properties. The stripe geometry will also be investigated for the development of chemical sensors where the exposed armchair or zigzag graphene edges are functionalized with end groups that will bind to specific analytes. Intellectual Merit: We will also investigate the production of highly conducting circuit-interconnects based on doped graphene which theory argues should show promise as 2D supermetals. AFM-based local probe studies, such as scanned gate microscopy and electric force microscopy, will be used to investigate carrier scattering mechanisms and linear dispersion relation in a nGL FETs, respectively. Atomically thin GL stripes and membrane devices will be investigated, respectively, for actuators (nano-muscle) and ultra-sensitive mass detectors. Both of these mechanical devices will require a detailed measurement and understanding of the elastic modulus of nGLs vs n. A strong theoretical component has been built into the project to help elucidate the many physical properties and device behaviors that we will observe in this new class of atomically thin films. Broader Impacts: We will focus our outreach on the creation of educational units for summer science camps K-16 students. To optimize this activity, we will once again affiliate with the established Action Potential Science Experience (APSE) program, a K-16 Penn State outreach and service-learning program where university faculty, researchers, graduate and undergraduate students will teach hands-on, science-based laboratories during the summer.