In this work, we showcase that through precise control of the electron dose rate, state-of-the-art large solid angle energy dispersive X-ray spectroscopy (EDS) mapping in aberration-corrected scanning transmission electron microscope (STEM) is capable of faithful and unambiguous chemical characterization of the Pt and Pd distribution in a peptide-mediated nanosystem. This low-dose-rate recording scheme adds another dimension of flexibility to the design of elemental mapping experiments, and holds significant potential for extending its application to a wide variety of beam sensitive hybrid nanostructures.
Revised: September 8, 2016 |
Published: June 30, 2016
Citation
Zhu Y., C.J. Munro, M.J. Olszta, D.J. Edwards, A.B. Braunschweig, M.R. Knecht, and N.D. Browning. 2016.Dose-rate controlled energy dispersive X-ray spectroscopic mapping of the metallic components in a biohybrid nanosystem.Semiconductor Science and Technology 31, no. 8:Article No. 084002.PNNL-SA-116408.doi:10.1088/0268-1242/31/8/084002