Hydrohalic acid anion interaction with silver surfaces: Ag(100) – bromide

  • M. NowickiEmail author
  • K. Wandelt
Part of the Condensed Matter book series (volume 45B)


In this chapter the experimental results on adsorption of bromide on Ag(100) surface is described.

A sharp CV peak at −0.75 V (Ag/AgCl) corresponding to a disorder-order phase transition is, like with Ag(100)-Cl, also preceded by a broad peak. In the ordered c(2 × 2) phase, the bromide anions reside in fourfold hollow sites and cause a buckling of the second Ag layer. The concentration dependence of the lateral interactions, as revealed by Monte-Carlo simulations, indicates a change in charge state with coverage (and, thus, potential) of the adsorbed bromide [1, 2, 3, 4, 5, 6, 7, 8, 9], similar to Br/Cu(100), see Chap.  184[].


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© Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  1. 1.Institute of Experimental PhysicsUniversity of WroclawWroclawPoland
  2. 2.Institute of Physical and Theoretical ChemistryUniversity of BonnBonnGermany

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