Collaborative Research: Development of a high-efficiency mass spectrometer: transitioning a high-efficiency ion source to a modern mass spectrometer

合作研究:高效质谱仪的开发:将高效离子源转变为现代质谱仪

基本信息

  • 批准号:
    2017252
  • 负责人:
  • 金额:
    $ 4.6万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2020
  • 资助国家:
    美国
  • 起止时间:
    2020-08-01 至 2023-01-31
  • 项目状态:
    已结题

项目摘要

This EAR Instrumentation and Facilities Program award (a collaborative between Penn State and Carnegie Institution of Washington) will support the installation and testing of a newly developed, high-ionization-efficiency cavity ionization source on a modern multi-collector mass spectrometer, the Thermo-Fisher Triton. The ion source development was supported previously by the EAR/IF Program (EAR-1758571). If successful, the source augmented mass spectrometer promised significantly enhanced analytical precision for isotope ratio analysis with the potential for future transformative scientific advances in our understanding of the early evolution of Earth and planetary reservoirs (e.g., crust, mantle and core differentiation). The project involves an early career researcher and will result in construction and operation of a fundamentally new type of mass spectrometer, which if successful, has potential for commercialization and broader community use.The ultimate precision of mass spectrometry-based isotopic analyses is limited, in large part, by detector counting statistics. The cavity ion source may present a major step forward in the ability to produce large ion beams from geologic samples and may make it able to achieve isotope-ratio precisions currently unattainable with modern thermal ionization mass spectrometers (TIMS). Support will provide for installation of the developed ion source onto an existing Thermo-Fisher Triton TIMS and subsequent analytical testing. The investigators have preliminary demonstrations that the source produces: 1) large, stable ion beams for long periods of time, and 2) higher ionization efficiency than traditional flat-filament thermal ionization sources for select elements. The source-enhanced instrument has significant potential to advance research on fundamental questions in the geosciences, from radiometric dating to tracing first-order chemical processes that formed and modify various reservoirs on Earth and other planets, by providing large increases in the analytical precision achievable for targeted radiogenic isotope ratio determinations (e.g., Sm/Nd system for understanding the earliest history of Earth and the Solar System), that in allows for analysis of smaller rare samples than currently possible.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该仪器和设施计划奖(宾夕法尼亚州立大学和华盛顿卡内基研究所之间的合作)将支持在现代多收集器质谱仪Thermo-Fisher Triton上安装和测试新开发的高电离效率空腔电离源。 离子源的开发以前得到了IATA/IF计划(IATA-1758571)的支持。 如果成功的话,源增强质谱仪有望显着提高同位素比分析的分析精度,并有可能在我们对地球和行星储层早期演化的理解中取得未来变革性的科学进步(例如,地壳、地幔和地核分异)。 该项目涉及一名早期职业研究人员,将导致建造和操作一种全新类型的质谱仪,如果成功,将具有商业化和更广泛社区使用的潜力,质谱同位素分析的最终精度在很大程度上受到探测器计数统计的限制。 腔离子源可以在从地质样品产生大离子束的能力方面向前迈出重要一步,并且可以使其能够实现目前用现代热电离质谱仪(TIMS)无法实现的同位素比精度。 支持将开发的离子源安装到现有的Thermo-Fisher Triton TIMS和随后的分析测试。 研究人员初步证明,该源产生:1)长时间大而稳定的离子束,2)比传统的扁平灯丝热电离源更高的电离效率。源增强型仪器具有极大的潜力,可通过大幅提高目标放射性同位素比率测定(例如,该奖项反映了NSF的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
A cavity ion source for high-ionization efficiency neodymium isotope-ratio analyses in the geosciences
用于地球科学中高电离效率钕同位素比分析的空腔离子源
  • DOI:
    10.1039/d0ja00228c
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    3.4
  • 作者:
    Reimink, Jesse R.;Carlson, Richard W.;Mock, Timothy D.
  • 通讯作者:
    Mock, Timothy D.
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Jesse Reimink其他文献

Earth’s Earliest Crust
地球最早的地壳
  • DOI:
    10.2138/gselements.20.3.168
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    4.5
  • 作者:
    J. O’Neil;H. Rizo;Jesse Reimink;Marion Garçon;Richard W. Carlson
  • 通讯作者:
    Richard W. Carlson

Jesse Reimink的其他文献

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{{ truncateString('Jesse Reimink', 18)}}的其他基金

CAREER: Is Continental Crust Juvenile or Reworked? A Test of Growth Models Using the Extant Neoarchean Granitoid Record
职业:大陆地壳是年轻的还是经过改造的?
  • 批准号:
    2145334
  • 财政年份:
    2022
  • 资助金额:
    $ 4.6万
  • 项目类别:
    Continuing Grant
Mesoarchean diamond-bearing sediments: implications for Archean continental roots and their surface expression
中太古代含金刚石沉积物:对太古代大陆根及其表面表达的影响
  • 批准号:
    2118161
  • 财政年份:
    2021
  • 资助金额:
    $ 4.6万
  • 项目类别:
    Standard Grant

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