Upgrades to AMNH-LDEO SX100 Electron Microprobe

0520821曼德维尔这项重大研究仪器（MRI）计划拨款支持美国自然历史博物馆（AMNH）地球和行星科学部目前的Cameca SX-100电子微探针（EMP）的升级。 具体的升级将包括新的基于PC的载物台、色谱柱控制和数据采集软件（Cameca Peak Site）以及能够进行轻元素（C至N）分析的新的能量色散光谱仪。 新的控制软件将允许亚微米载物台定位，从而便于分析稀有地球和外星样品中的微小夹杂物，在单个分析程序中的多个光束条件，多个光谱仪计数的集成以及增强的载物台自动化和绘图程序。 AMNH EMP设施为纽约大都会地区的多个机构的研究科学家、教职员工和学生提供服务，包括AMNH、哥伦比亚大学的拉蒙·多尔蒂地球天文台（LDEO）、位于斯托尼布鲁克的纽约州立大学（SUNY）和纽约城市大学（CUNY）的研究生中心。 EMP的升级将允许持续和新的研究调查，需要固体材料的微尺度化学表征。 这些升级将加强一系列研究，包括火山学、火成岩和实验岩石学以及陨石学的研究。 AMNH EMP设施还为针对代表性不足的学生的本科生计划提供年度夏季研究经验。PI参与城市高中学生的外展计划，并为三州（纽约，新泽西，CT）地区的K-12教师举办年度专业发展研讨会。 电磁脉冲设施通过提供对这些国际资源材料的空间分辨定量化学分析，对提高其地球和行星材料收藏的价值至关重要。 ***

0520821MandevilleThis Major Research Instrumentation (MRI) Program grant supports an upgrade of the current Cameca SX-100 electron microprobe (EMP) in the Department of Earth and Planetary Sciences at the American Museum of Natural History (AMNH). Specific upgrades will include new PC-based stage, column control and data acquisition software (Cameca Peak Site), and a new energy dispersive spectrometer (EDS) capable of light element (C to N) analysis. The new control software will allow for sub-micron stage positioning, thereby facilitating analysis of minute inclusions in rare terrestrial and extraterrestrial samples, multiple beam conditions during a single analysis routine, integration of multiple spectrometer counts and enhanced stage automation and mapping routines. The AMNH EMP facility serves research scientists, faculty members and students at multiple institutions across the New York metro region including AMNH, Lamont Doherty Earth Observatory (LDEO) of Columbia University, The State University of New York (SUNY) at Stony Brook, and the Graduate Center at the City University of New York (CUNY). The upgrades EMP will allow continued and new research investigations requiring microscale chemical characterization of solid materials. A range of research will be enhanced by these upgrades including studies in volcanology, igneous and experimental petrology, and meteoritics. The AMNH EMP facility also serves an annual summer Research Experiences for Undergraduates Program that targets underrepresented students. The PIs are involved in outreach programs to city high school students and conduct annual professional development workshops for K-12 teachers in the tri-state (NY, NJ, CT) area. The EMP facility is central to the enhancement of value of its earth and planetary materials collections by providing for spatially resolved quantitative chemical analysis of these international resource materials. ***