Local electrochemical impedance spectroscopy in dynamic mode of galvanic coupling - Publikacja - MOST Wiedzy

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Local electrochemical impedance spectroscopy in dynamic mode of galvanic coupling

Abstrakt

A novel method that combines local electrochemical impedance spectroscopy and mapping in dynamicmode is proposed. Method was validated over two galvanic couplings, namely zinc/copper and cad-mium/copper. Impedance spectrum response for all measuring points was obtained by means ofsimultaneous implementation of selected range of frequencies. Proposed method allows the measure-ment in a more time-efficient manner, at the same time providing extensive impedance characteristic.Moreover, the aspect of probe-to-sample distance was introduced. Furthermore, the inversion of theprobe-to-sample distance experiment direction allows for determination of approaching procedure forlocal impedance measurements (with support of theoretical calculations). Proposed method wascompared with standard LEIS measurement on system which undergoes rapid changes, giving resultsthat were not obtainable with standard method. This indicates that by applying dynamic measurements,it is possible to introduce additional variable into the investigated system, what should contribute tobroader application of local impedance measurements.

Cytowania

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
ELECTROCHIMICA ACTA nr 282, strony 304 - 310,
ISSN: 0013-4686
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Burczyk Ł., Darowicki K.: Local electrochemical impedance spectroscopy in dynamic mode of galvanic coupling// ELECTROCHIMICA ACTA. -Vol. 282, (2018), s.304-310
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.electacta.2018.05.192
Źródła finansowania:

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