Quantitative Analysis of Nanomaterials with new Automated Techniques in the Electron Microscope

使用电子显微镜中的新自动化技术定量分析纳米材料

• 批准号: RGPIN-2018-04977
• 负责人: Gauvin, Raynald
• 金额: $ 3.35万
• 依托单位: McGill University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=713426
• 关键词: Quantitative; Analysis; Nanomaterials; new; Automated

The Gauvin group is one of the leading groups in the world in modeling and improving the understanding of electron beam interaction with solids for the development of new quantitative methods in the electron microscope. In the last 7 years, the Gauvin Group has developed one of the best laboratories in the world for Scanning Electron Microscopy that led to the training of several graduate students that received many research awards. Among these new microscopes, the SU-9000 is the first in the world to have electron energy loss spectroscopy (EELS) capabilities at 30 keV. Also, the SU-9000EA has a 0,2 nm resolution in bright field STEM imaging mode, giving a direct competition to the most expensive transmission electron microscopes. This research proposal is to put electron microscopy affordable for the whole scientific community by demonstrating the clear advantages of scanning electron microscopy as well as developing the next generation of automated software and techniques to perform accurate analysis of complex microstructure of materials with nanometer spatial resolution as well as performing electron microscopy without operators for routine characterization. These software's will be based on innovative electron modelling, like Bohmian Mechanics, and also will use the Deep Learning techniques of Artificial Intelligence. Applying these new software's with the less expensive scanning electron microscopes will make electron microscopy truly affordable for the whole scientific community. Automation will give more beam time to the community and more science will be performed leading to more materials development. This project will train 3 master students, 7 Ph.D. students and one postdoc. Since more than 100 000 scientific paperspublished since 1990 and related to nanotechnology used an electron microscope, it is clear that any advance in electron microscopy will have a significant impact in science and technology.

Gauvin小组是世界上建模和改进电子束与固体相互作用的理解以开发新的电子显微镜定量方法的领先小组之一。在过去的7年里，高文集团开发了世界上最好的扫描电子显微镜实验室之一，培养了几名研究生，并获得了许多研究奖项。在这些新型显微镜中，SU-9000是世界上第一台具有30keV电子能量损失谱(EELS)能力的显微镜。此外，SU-9000EA在亮场STEM成像模式下具有0.2 nm的分辨率，与最昂贵的透射式电子显微镜形成直接竞争。这项研究计划通过展示扫描电子显微镜的明显优势，以及开发下一代自动化软件和技术，以纳米空间分辨率精确分析材料的复杂微结构，并在没有操作员进行常规表征的情况下进行电子显微镜，使整个科学界都能负担得起电子显微镜。这些软件将基于创新的电子建模，如Bohmian Machics，还将使用人工智能的深度学习技术。将这些新软件与较便宜的扫描电子显微镜结合使用，将使整个科学界真正负担得起电子显微镜。自动化将给社区带来更多的光束时间，更多的科学将被执行，从而带来更多的材料开发。该项目将培养3名硕士研究生、7名博士生和1名博士后。自1990年以来，已有10万多份与纳米技术有关的科学论文使用了电子显微镜，显然，电子显微镜的任何进步都将对科学和技术产生重大影响。