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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b03968
|2 doi
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|a pubmed24n0896.xml
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|a eng
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| 100 |
1 |
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|a Previdello, Bruno A F
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Palladium Electrodeposition onto Pt(100)
|b Two-Layer Underpotential Deposition
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| 264 |
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 09.05.2018
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|a Date Revised 09.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Electrodeposition of the first Pd layers onto Pt(100) was investigated using cyclic voltammetry at a low scan rate (0.1 mV·s-1). Ultrathin films were characterized by cyclic voltammetry in 0.1 M H2SO4 solution and with ex situ AFM (atomic force microscopy). For the first time, we evidenced the underpotential character of the deposition of the first two Pd layers, characterized by a two-step mechanism, each step corresponding to the deposition of a complete Pd atomic layer. For thicker deposits, especially above 10 monolayers as equivalent thickness, the electrochemical characterization displays a strong irreversibility and a broadening of the adsorption/desorption peaks, associated with a reduction of long-range ordered flat areas. Ex situ AFM images are in agreement with this description. They show rough thick deposits and the growth of (100)-oriented rectangular shaped islands with their sides aligned with the two [011] and [0-11] perpendicular directions of the (100) Pt surface
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Sibert, Eric
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Maret, Mireille
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Soldo-Olivier, Yvonne
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 9 vom: 07. März, Seite 2087-2095
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|x 1520-5827
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|g volume:33
|g year:2017
|g number:9
|g day:07
|g month:03
|g pages:2087-2095
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|u http://dx.doi.org/10.1021/acs.langmuir.6b03968
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