Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/42583
Title: Localized impedance measurements in different redox potential metals and their galvanic coupling by using AC-SECM
Author: Estrada-Vargas, A.
Casillas, N.
Hernandez-Gaitan, G.
Barcena-Sotob, M.
Gomez-Salazar, S.
Issue Date: 2010
Abstract: In recent years, the use of Scanning Electrochemical Microscopy in its Alternating Current mode (AC-SECM) has increased due to its capability for detecting and interpreting local variations of electrochemical properties on surfaces with high spatial resolution. In this paper, we intend to extend the applications of AC-SECM for identifying local impedance variations on surfaces of materials with different redox potential, immersed in resistive media such as tequila in presence of supporting electrolyte. Preliminary results are promising since it is possible to visualize boundaries of materials with different redox potential by means of localized impedance measurements, which opens a new perspective for studying composite materials such as minerals. �The Electrochemical Society.
URI: http://www.scopus.com/inward/record.url?eid=2-s2.0-79959628136&partnerID=40&md5=7e2dd745e86e6d7a413a7fb72121208c
http://hdl.handle.net/20.500.12104/42583
Appears in Collections:Producción científica UdeG

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