Acquisition of a Cyber-Enabled Multi-User Scanning Electron Microscope

获取网络支持的多用户扫描电子显微镜

• 批准号: 0840474
• 负责人: A. Alan Pinkerton
• 金额: $ 54.64万
• 依托单位: University of Toledo
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-08-01 至 2012-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0840474&HistoricalAwards=false
• 关键词: Acquisition; Cyber; Enabled; Multi; User

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).With support from the Chemistry Research Instrumentation and Facilities: Multiuser program (CRIF:MU), the Department of Chemistry at the University of Toledo will acquire a cyber-enabled, cold cathode field emission scanning electron microscope, with an energy-dispersive x-ray spectroscopy unit, three electron detectors for surface topography and/or Z-contrast imaging, and electron beam-induced-current imaging capability. The microscope will be used by researchers at University of Toledo, as well as by neighboring institutions in Ohio to study the properties of technologically advanced materials. These studies include: (1) the properties of composite negative thermal expansion materials; (2) the properties of amorphous and nanocrystalline silicon photovoltaic (PV) materials and devices, as well as thin film PV materials; (3) the characterization of electrochemical sensors; (4) the characterization of microextraction sampling devices; and (5) studies of nanostructured materials. The miroscope will be used by large numbers of undergraduate and graduate students, both in instructional settings as well as in research. Access to the instrument will be widened, via cyber-enabling and other means, to students in neighboring colleges and high-schools, including a number of home-schooled students.Scanning electron microscopes, like the one purchased under this award, allow chemists to probe the structure of materials with extraordinarily high spatial resolution and with additional chemical and electronic characterization capabilities. This level of detail is especially needed when probing the chemical and physical properties of nanoscale materials, where the chemical heterogeneity changes at precisely these length scales. Without this level of detail, the progress towards new kinds of nanoscale materials will be made much more slowly. The infrastructure made available with this grant will be used in teaching and training a broad range of young scientists in important, cutting-edge, experimental methods.

该奖项根据 2009 年美国复苏和再投资法案（公法 111-5）提供资金。在化学研究仪器和设施：多用户计划 (CRIF:MU) 的支持下，托莱多大学化学系将获得具有网络功能的冷阴极场发射扫描电子显微镜，配有能量色散 X 射线光谱仪、三个用于表面形貌和/或 Z 对比成像的电子探测器以及电子束感应电流成像能力。托莱多大学以及俄亥俄州邻近机构的研究人员将使用该显微镜来研究技术先进材料的特性。 这些研究包括：（1）复合负热膨胀材料的性能； （二）非晶硅、纳米晶硅光伏材料及器件、薄膜光伏材料的性能； (3)电化学传感器的表征； (4) 微萃取进样装置的表征； (5)纳米结构材料的研究。该显微镜将被大量本科生和研究生用于教学和研究。通过网络支持和其他方式，该仪器的使用范围将扩大到邻近大学和高中的学生，包括一些在家接受教育的学生。扫描电子显微镜，就像根据该奖项购买的那样，使化学家能够具有极高的空间分辨率以及额外的化学和电子表征能力来探测材料的结构。 在探测纳米级材料的化学和物理特性时，尤其需要这种详细程度，因为化学异质性恰好在这些长度尺度上发生变化。 如果没有这种程度的细节，新型纳米材料的进展将会缓慢得多。这笔赠款提供的基础设施将用于教学和培训广泛的年轻科学家重要的、前沿的实验方法。