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Fascinating spatiotemporal patterns forming during the electrodeposition of some alloys have attracted the interest of the scientific communities dealing with electrochemical materials science and dynamic processes. Notwithstanding extensive experimental work and recently achieved theoretical insights, several aspects of the physical chemistry of these dynamic structures are still elusive. In particular, the analytical methods employed so far to characterize these structures invariably failed to pinpoint any chemical or structural patterns correlated to those perceived by the naked eye or with a light microscope. In this work, we have made systematic use of the extreme surface sensitivity provided by synchrotron-based scanning photoelectron microspectroscopy, combined with progressive erosion by precisely controlled Ar+ sputtering, to achieve quantitative 3D understanding of the compositional and chemical-state …
American Chemical Society
Publication date: 
6 Jun 2018

Benedetto Bozzini, Matteo Amati, Tsvetina Dobrovolska, Luca Gregoratti, Ivan Krastev, Ivonne Sgura, Antonietta Taurino, Maya Kiskinova

Biblio References: 
Volume: 122 Issue: 28 Pages: 15996-16007
The Journal of Physical Chemistry C