An alternative approach for ζ-factor measurement using pure element nanoparticles

TitleAn alternative approach for ζ-factor measurement using pure element nanoparticles
Publication TypeJournal Article
Year of Publication2016
AuthorsD. Zanaga, T. Altantzis, J. Sanctorum, B. Freitag, and S. Bals
JournalUltramicroscopy
Volume164
Pagination11–16
Date Published05/2016
ISSN03043991
KeywordsBimetallic nanoparticles, EDXS quantification, Electron tomography
Abstract

It is very challenging to measure the chemical composition of hetero nanostructures in a reliable and quantitative manner. Here, we propose a novel and straightforward approach that can be used to quantify energy dispersive X-ray spectra acquired in a transmission electron microscope. Our method is based on a combination of electron tomography and the so-called ζ-factor technique. We will demonstrate the reliability of our approach as well as its applicability by investigating Au-Ag and Au-Pt hetero nanostructures. Given its simplicity, we expect that the method could become a new standard in the field of chemical characterization using electron microscopy.

URLhttp://linkinghub.elsevier.com/retrieve/pii/S0304399116300134
DOI10.1016/j.ultramic.2016.03.002