Three‐dimensional chemical mapping by scanning transmission X‐ray spectromicroscopy | Zendy

Johansson Göran A. | Zendy; Tyliszczak Tolek | Zendy; Mitchell Gary E. | Zendy; Keefe Melinda H. | Zendy; Hitchcock Adam P. | Zendy

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Three‐dimensional chemical mapping by scanning transmission X‐ray spectromicroscopy

Author(s) -

Johansson Göran A.,

Tyliszczak Tolek,

Mitchell Gary E.,

Keefe Melinda H.,

Hitchcock Adam P.

Publication year - 2007

Publication title -

journal of synchrotron radiation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.172

H-Index - 99

ISSN - 1600-5775

DOI - 10.1107/s0909049507029962

Subject(s) - materials science , chemical imaging , resolution (logic) , image resolution , polystyrene , optics , x ray , microscope , microstructure , visualization , acrylate , computer science , physics , composite material , polymer , artificial intelligence , hyperspectral imaging , monomer

Three‐dimensional (3‐d) chemical mapping using angle‐scan tomography in a scanning transmission X‐ray microscope is demonstrated. Apparatus, experimental procedures and data processing are presented and the 3‐d spatial resolution is evaluated. The technique is illustrated using mapping of a low‐density acrylate polyelectrolyte in and outside of polystyrene microspheres dispersed in water in a 4 µm‐diameter microcapillary. The 3‐d chemical visualization provides information about the microstructure that had not previously been observed.

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