MRI: Acquisition of an Electron Microprobe at Syracuse University: a Central New York Regional User Facility

1625835 Thomas这项重大研究仪器(MRI)赠款支持购买配备了五个波长色散光谱仪(WDS)、能量色散光谱仪(EDS)、阴极发光(CL)显微镜和LaB6电子源的电子微探针(EMP)，以便对地质和合成材料进行微米级成分测绘。具有分析能力的新电子显微镜将促进固体地球科学、材料科学和考古学方面的研究和研究培训。锡拉丘兹的一个新的电磁脉冲设施将作为纽约州中部固体天然和合成材料的微化学表征的区域设施，支持十几个学术机构的许多教职员工和学生的需求。这种支持与国家科学基金会促进科学进步和促进国家健康、繁荣和福利的使命是一致的，因为电子显微镜对于促进对地球材料起源的了解非常重要，特别是在这种情况下，支持研究人员对金属医疗植入物腐蚀的研究。因此，由这一工具支持的研究立即服务于美国老龄化人口的社会利益。该仪器还将支持培训具有最先进材料表征方法技能的下一代科学劳动力。需要电子探针来确定矿物和合成材料中微量元素微米级分布的具体研究应用将包括研究岩石和矿物中的化学平衡以及扩散和反应动力学，并应用于开发新的地温压力计，有望提高对地壳中和深层矿物组合形成的压力和温度条件的了解，研究岩浆过程，对碎屑矿物相进行微量元素调查以阐明来源，应用于金属医疗植入物的腐蚀行为研究，地质取证，以及文物来源的考古调查。***

1625835ThomasThis Major Research Instrumentation (MRI) grant supports acquisition of a an electron microprobe (EMP) equipped with five wavelength dispersive spectrometers (WDS), an energy dispersive spectrometer (EDS), a cathodoluminescence (CL) microscope and a LaB6 electron source to permit micron scale compositional mapping of geologic and synthesized materials. A new electron microscope with the analytical capabilities to be included will foster research and research training in the solid Earth sciences, materials science and archaeology. A new EMP facility at Syracuse will serve as a regional facility for microchemcial characterization of solid natural and synthetic materials in central New York State, supporting the needs of many faculty and students at over a dozen academic institutions. This support is congruent with NSFs mission of promoting the progress of science and advancing the national health, prosperity and welfare given the importance of electron microscopy for advancing understanding of the genesis of Earth materials and in this case in particular, supporting investigator studies of the corrosion of metallic medical implants. Thus the research supported with this instrument immediately serves the societal interests of an aging U.S. population. The instrument will also support the training of a next generation scientific workforce with skills in state-of-the-art methods of materials characterization. Specific research applications that require an electron probe for determining the micron-scale distribution of trace element in minerals and synthesized materials will include studies of chemical equilibrium and diffusion and reaction kinetics in rocks and minerals with applications to the development of new geothermobarometers that promise to advance understanding of the pressure and temperature conditions at which mid and deep crustal mineral assemblages in exhumed metamorphic rocks formed, studies of magmatic processes, trace element investigations of detrital mineral phases to elucidate provenance, applied studies of the corrosion behavior of metallic medical implants, geoforensics, and archaeological investigations of artifact provenance. ***