Acquisition of a New Electron Imaging Facility

购置新的电子成像设施

• 批准号: 0649933
• 负责人: Bradley Hacker
• 金额: $ 29.97万
• 依托单位: University of California-Santa Barbara
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2007
• 资助国家: 美国
• 起止时间: 2007-06-01 至 2009-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0649933&HistoricalAwards=false
• 关键词: Acquisition; New; Electron; Imaging; Facility

The Earth Science Department at the University of California, Santa Barbara (UCSB) will establish a new electron imaging facility with coupled cathodoluminescence, electron-backscatter diffraction, and energy-dispersive analysis systems. This state-of-the-art facility will provide new opportunities and continuing support for a wide range of exciting research by principal investigators, students, and visitors on topics as diverse as: i) new methods in zircon geochronology, ii) new methods of imaging microbes in geologic/environmental samples with genetic probes; iii) the genesis and exhumation of ultrahigh-pressure rocks, iv) the origin and early diversification of life on Earth, v) biomineralization in early animals, vi) mineral-microbe interactions in seafloor hydrothermal systems; vii) the role of clay and quartz crystal orientation in pressure solution, viii) signals of methane influence on foraminifera, and ix) the paleoclimate record in speleothems and tests. Our new progress in these areas will be facilitated by three new capabilities: i) operating at low vacuum, ii) coupled energy-dispersive-electron-backscatter diffraction, and iii) position-tagged energy-dispersive spectrometer (EDS) spectrometry. UCSB is providing $90,000 in matching funds, and continuing fulltime salary support for two development engineers to operate, enhance and maintain the facility. As we replace retiring faculty over the next 10 years, the new facility will attract competitive young new scientists and ensure the long-term vitality of geochemistry, geochronology, petrology, structural geology, paleontology, and paleoclimatology research and education at UCSB. It will also be one of our showcase instruments we use to excite interest in science among student visitors from local grade schools.

位于圣巴巴拉的加州大学地球科学系（UCSB）将建立一个新的电子成像设备，该设备具有耦合阴极射线发光、电子背散射衍射和能量色散分析系统。这个国家的最先进的设施将提供新的机会，并继续支持广泛的令人兴奋的研究，由主要调查人员，学生和游客的主题，如：i）新的方法在锆石地质年代学，ii）新的方法成像微生物在地质/环境样品与遗传探针; ㈢超高压岩石的成因和折返，㈣地球上生命的起源和早期多样化，㈤早期动物的生物矿化，㈥海底热液系统中矿物-微生物的相互作用; vii）粘土和石英晶体取向在压力溶液中的作用，viii）甲烷对有孔虫影响的信号，和ix）洞穴沉积物和测试中的古气候记录。我们在这些领域的新进展将通过三种新能力来促进：i）在低真空下操作，ii）耦合能量色散电子背散射衍射，iii）位置标记能量色散光谱仪（EDS）光谱。UCSB将提供9万美元的配套资金，并继续为两名开发工程师提供全职工资支持，以运营、增强和维护该设施。随着我们在未来10年内更换退休教师，新设施将吸引有竞争力的年轻新科学家，并确保UCSB地球化学，地质年代学，岩石学，构造地质学，古生物学和古气候学研究和教育的长期活力。这也将是我们用来激发当地小学学生游客对科学的兴趣的展示工具之一。