Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 649, Issue 1-2, Pages 257-260Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2010.06.009
Keywords
Pd(111); Au(111); Atomic step; Differential interference microscopy (DIM)
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Funding
- Ministry of Education Culture Sports Science and Technology of Japan [20245038]
- Grants-in-Aid for Scientific Research [20245038] Funding Source: KAKEN
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It is shown that the Pd(1 1 1) and Au(1 1 1) surfaces with wide atomically flat terraces having widths in a range of 2-10 mu m can be prepared by annealing in an argon stream These surfaces were investigated by a laser confocal microscope combined with a differential interference contrast microscope (LCM-DIM) It is remarkable that regularly aligned step lines are clearly discerned in electrolyte solutions The step lines observed by LCM-DIM are monatomic steps confirmed by scanning tunneling microscopy and atomic force microscopy It is expected that LCM-DIM is a new powerful in situ method for the investigation of electrochemical reactions with the capability of atomic layer resolution (C) 2010 Elsevier B V All rights reserved
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