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Multimodal x-ray and electron microscopy of an Allende meteorite sample

POSTER

Abstract

Correlative multimodal microscopy that combines complementary nanoscale imaging techniques is essential for extracting comprehensive chemical, structural, and functional information of heterogeneous complex samples. Advanced electron microscopy provides atomic-scale spatial resolution with quantitative elemental composition, while x-ray microscopy can achieve high-resolution imaging of bulk materials with chemical, magnetic, electronic, and bond orientation contrast. In our recent work (Science Advances 5, eaax3009, 2019), we combine x-ray ptychography and scanning transmission x-ray spectromicroscopy with 3D energy-dispersive spectroscopy and electron tomography to perform structural and chemical mapping of an Allende meteorite sample as a model system. We use textural and quantitative elemental information to infer its mineral composition and discuss potential processes that occurred. This multimodal x-ray and electron microscopy of the same sample overcomes the limitations of individual imaging modalities and opens up a route to future multiscale microscopies of complex functional materials and biological systems.

Presenters

  • Chen-Ting Liao

    JILA, University of Colorado Boulder, Physics, JILA/University of Colorado Boulder, University of Colorado, Boulder, JILA, University of Colorado, Boulder

Authors

  • Chen-Ting Liao

    JILA, University of Colorado Boulder, Physics, JILA/University of Colorado Boulder, University of Colorado, Boulder, JILA, University of Colorado, Boulder

  • Yuan Hung Lo

    University of California, Los Angeles

  • Jihan Zhou

    University of California, Los Angeles

  • Arjun Rana

    University of California, Los Angeles

  • Charles Bevis

    JILA, University of Colorado Boulder, University of Colorado, Boulder, JILA, University of Colorado, Boulder

  • Guan Gui

    JILA, University of Colorado Boulder, JILA, University of Colorado, Boulder

  • Bjoern Enders

    Advanced Light Source, Lawrence Berkeley National Laboratory

  • Kevin Cannon

    University of Central Florida

  • David A Shapiro

    Lawrence Berkeley National Laboratory, Advanced Light Source, Lawrence Berkeley National Laboratory

  • Henry Kapteyn

    JILA, University of Colorado Boulder, Department of Physics and JILA, University of Colorado, Boulder, STROBE and JILA, University of Colorado, Boulder, JILA and Department of Physics, University of Colorado, Boulder, STROBE and JILA, University of Colorado and NIST, Physics, JILA/University of Colorado Boulder, JILA, University of Colorado, Boulder, Physics and JILA, CU Boulder, JILA, University of Colorado, Boulder

  • Roger Wirth Falcone

    Department of Physics, University of California, Berkeley, University of California Berkeley, Advanced Light Source, Lawrence Berkeley National Laboratory

  • Chris Bennett

    University of Central Florida, Univ of Central Florida

  • Jianwei Miao

    University of California, Los Angeles

  • Margaret Murnane

    JILA, University of Colorado Boulder, Department of Physics and JILA, University of Colorado, Boulder, STROBE and JILA, University of Colorado, Boulder, STROBE and JILA, University of Colorado and NIST, JILA, University of Colorado, Boulder, Physics and JILA, CU Boulder, University of Colorado, JILA, University of Colorado, Boulder