MRI: Acquisition of a NanoRaman Atomic Force Microscopy (AFM) System for Multi-Property Measurements in Electronic and Other Materials

MRI：购买纳米拉曼原子力显微镜 (AFM) 系统，用于电子和其他材料的多性能测量

• 批准号: 2117727
• 负责人: Oluwaseyi Balogun
• 金额: $ 45.5万
• 依托单位: Northwestern University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2021
• 资助国家: 美国
• 起止时间: 2021-09-01 至 2023-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2117727&HistoricalAwards=false
• 关键词: MRI; Acquisition; NanoRaman; Atomic; Force; MRI; Acquisition; NanoRaman; Atomic; Force

Non-Technical Description:This major research instrumentation award supports the acquisition of a NanoRaman AFM (atomic force microscopy) system at Northwestern University (NU). The instrument integrates scanning probe microscopy (SPM) for measurements of nanoscale material properties (topography, friction, surface potential, electrical and thermal conductivity, etc.) with optical spectroscopy tools including confocal Raman, tip-enhanced Raman (TERS), and photoluminescence (TEPL) spectroscopy. The instrument enables correlated multi-property measurements of structural, physical, and chemical properties of nanoscale materials by researchers from broad backgrounds at NU including, Mechanical Engineering, Civil and Environmental Engineering, Materials Science and Engineering, Chemistry, and Earth and Planetary Sciences, and users outside of NU. The instrument facilitates the discovery of new electronic materials and the development of novel devices that range from transistors, photodetectors to advanced brain-inspired computing technologies. In addition, the instrument is integrated into existing graduate and undergraduate curricula at NU to facilitate hands-on experimentation of the multi-physics of nanoscale materials. The instrument also provides opportunities for educating the next generation of nano-scientists and engineers and diversifying the Nation's STEM workforce through multidisciplinary training for underrepresented students at grade school, undergraduate, and graduate levels. Technical Description:The NanoRaman AFM system offers a versatile platform for correlated multi-property measurements with 10 nm lateral spatial resolution and high measurement precision. The instrument facilitates integrating multi-dimensional electronic materials to leverage interfaces and defects to enable novel electronic, optoelectronic, and thermoelectric phenomena. Through SPM, TERS, TEPL, and second harmonic generation measurements, the instrument allows studies of thermal, mechanical, electronic, and optical properties in mixed-dimensional heterostructures and how defects can control these properties. Specifically, researchers use the instrument to characterize carrier concentration and band-edge energy modulation in low-dimensional ferroelectrics with polarizable nanoscale domains, heat dissipation across individual grain boundaries and defects in 2D semiconducting crystals, excitonic and nonlinear optical properties emissions in 2D van der Waals crystals coupled to plasmonic lattices, and local studies of photophysical phenomena in perovskite compounds that impact the performance of electronic devices. In addition, this instrument facilitates measurements outside the scope of electronic materials. Scientists study, for example, soil and sedimentary organics at microscale and nanoscale interfaces for carbon sequestration applications, tunable metal-organic frameworks for chemical sensing, and nanoscale composite materials for enhanced performance of construction materials.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

非技术描述：这项主要的研究仪器奖支持西北大学（NU）的纳米人AFM（原子力显微镜）系统的收购。该仪器将扫描探针显微镜（SPM）整合，以使用光谱工具（包括共聚焦拉曼，尖端增强的拉曼（TERS）和光燃料（TEPL）（TEPL）光谱（TEPL）光谱镜检查，以测量纳米级材料特性（地形，摩擦，表面电位，电导率等）。该仪器可以通过来自NU广泛背景的研究人员对纳米级材料的结构，物理和化学性质的相关多专业测量，包括机械工程，民用和环境工程，材料科学与工程，化学，化学，地球以及地球和行星科学以及NU以外的用户。该仪器促进了新电子材料的发现以及从晶体管，光电探测器到先进的脑启发的计算技术的新型设备的开发。此外，该仪器被整合到NU的现有研究生和本科课程中，以促进纳米级材料多物理的动手实验。该乐器还提供了教育下一代纳米科学家和工程师的机会，并通过对小学，本科和研究生水平的代表性不足的学生进行多学科培训来多样化国家的STEM劳动力。技术说明：纳米人AFM系统提供了一个多功能平台，用于与10 nm侧向空间分辨率和高测量精度相关的多型测量值。该仪器促进了整合多维电子材料，以利用界面和缺陷，以实现新颖的电子，光电子和热电现象。通过SPM，TERS，TEPL和第二次谐波生成测量值，该仪器允许研究混合型异质结构中的热，机械，电子和光学性质，以及缺陷如何控制这些特性。 Specifically, researchers use the instrument to characterize carrier concentration and band-edge energy modulation in low-dimensional ferroelectrics with polarizable nanoscale domains, heat dissipation across individual grain boundaries and defects in 2D semiconducting crystals, excitonic and nonlinear optical properties emissions in 2D van der Waals crystals coupled to plasmonic lattices, and local studies of photophysical phenomena in钙钛矿化合物会影响电子设备的性能。另外，该仪器促进了电子材料范围之外的测量。 Scientists study, for example, soil and sedimentary organics at microscale and nanoscale interfaces for carbon sequestration applications, tunable metal-organic frameworks for chemical sensing, and nanoscale composite materials for enhanced performance of construction materials.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.