Contains the keyword Scanning tunneling

Shao DH, Liu XJ, Lu N, Wang CZ, Ho KM, Tringides MC, et al. Effect of oxygen on the stability of Ag islands on Si(111)-7 x 7. Surf Sci. 2012;606:1871-8. Abstract

Shen MM, Jenks CJ, Evans JW, Thiel PA. How Sulfur Controls Nucleation of Ag Islands on Ag(111). Top Catal. 2011;54:83-9. Abstract