MP Soriaga K Itaya JL Stickney

Contents

1 Introduction 268

2 Experimental 268

3 Results and discussion 269

3.1 Adsorbate-catalyzed dissolution: Pd(l 11)-(V3 x V3)R30°-I 269

3.2 Electrochemical atomic layer epitaxy: Se on Au(100) 272

4 Outlook 275

5 References 275

Summary. The development of in-situ scanning tunneling microscopy (STM) has opened new avenues of research in electrochemical surface science. By itself, this nanometer-scale structural tool cannot be regarded as a panacea for the many problems that confront researchers in the interfacial sciences. However, when employed in tandem with other surface-sensitive analytical methods, even exceedingly complex processes can be investigated. Two cases are presented here that showcase the power of in-situ STM coupled with combined electrochemical UHV techniques.

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