STM-induced formation of Ag islands on Ag(111)

J. E. Freund; M. Edelwirth; J. Grimminger; R. Schloderer; W. M. Heckl

doi:10.1007/s003390051243

STM-induced formation of Ag islands on Ag(111)

J. E. Freund, M. Edelwirth, J. Grimminger, R. Schloderer, W. M. Heckl

University of Munich

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The formation of triangular-shaped adatom islands and vacancy islands on Ag(111) at room temperature is observed in a local growth experiment. The tip of a scanning tunneling microscope (STM) vibrating normal to the surface leads to a local modification. Atoms are removed from flat terraces and renucleate as adatom islands. Simultaneously with the modification process the surface is imaged with the STM. In the case of triangular islands only one out of two possible types of close-packed (110) step edges is found in the STM images. This observation is explained by differences in the step formation energy, rather than by diffusion.

Original language	English
Pages (from-to)	S787-S790
Journal	Applied Physics A: Materials Science and Processing
Volume	66
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1007/s003390051243
State	Published - 1998
Externally published	Yes

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title = "STM-induced formation of Ag islands on Ag(111)",

abstract = "The formation of triangular-shaped adatom islands and vacancy islands on Ag(111) at room temperature is observed in a local growth experiment. The tip of a scanning tunneling microscope (STM) vibrating normal to the surface leads to a local modification. Atoms are removed from flat terraces and renucleate as adatom islands. Simultaneously with the modification process the surface is imaged with the STM. In the case of triangular islands only one out of two possible types of close-packed (110) step edges is found in the STM images. This observation is explained by differences in the step formation energy, rather than by diffusion.",

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T1 - STM-induced formation of Ag islands on Ag(111)

AU - Freund, J. E.

AU - Edelwirth, M.

AU - Grimminger, J.

AU - Schloderer, R.

AU - Heckl, W. M.

PY - 1998

Y1 - 1998

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AB - The formation of triangular-shaped adatom islands and vacancy islands on Ag(111) at room temperature is observed in a local growth experiment. The tip of a scanning tunneling microscope (STM) vibrating normal to the surface leads to a local modification. Atoms are removed from flat terraces and renucleate as adatom islands. Simultaneously with the modification process the surface is imaged with the STM. In the case of triangular islands only one out of two possible types of close-packed (110) step edges is found in the STM images. This observation is explained by differences in the step formation energy, rather than by diffusion.

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JO - Applied Physics A: Materials Science and Processing

JF - Applied Physics A: Materials Science and Processing

IS - SUPPL. 1

ER -

STM-induced formation of Ag islands on Ag(111)

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