Identification of Tetramers in Silver Films Grown on the Si(001) Surface at Room Temperature

Kai Huang; William S. Huxter; Chandra Veer Singh; Jun Nogami

doi:10.1021/acs.jpclett.8b02746

Identification of Tetramers in Silver Films Grown on the Si(001) Surface at Room Temperature

Kai Huang, William S. Huxter, Chandra Veer Singh, Jun Nogami^*

^*Corresponding author for this work

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

5 Scopus citations

Abstract

We describe the atomic structure of the silver film grown on Si(001) at room temperature, as studied by low-temperature scanning tunneling microscopy and density functional theory. Experiment and theory agree on a film structure in which Ag tetramers are identified for the first time. Ag tetramers are found to be adsorbed exclusively at the trough between two Si rows, interacting with four adjacent Si dimers via covalent bonding. Consequently, the π bonds of the Si dimers underneath the silver film are eliminated.

Original language	English
Pages (from-to)	6275-6279
Number of pages	5
Journal	Journal of Physical Chemistry Letters
Volume	9
Issue number	21
DOIs	https://doi.org/10.1021/acs.jpclett.8b02746
State	Published - 1 Nov 2018
Externally published	Yes

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10.1021/acs.jpclett.8b02746

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title = "Identification of Tetramers in Silver Films Grown on the Si(001) Surface at Room Temperature",

abstract = "We describe the atomic structure of the silver film grown on Si(001) at room temperature, as studied by low-temperature scanning tunneling microscopy and density functional theory. Experiment and theory agree on a film structure in which Ag tetramers are identified for the first time. Ag tetramers are found to be adsorbed exclusively at the trough between two Si rows, interacting with four adjacent Si dimers via covalent bonding. Consequently, the π bonds of the Si dimers underneath the silver film are eliminated.",

author = "Kai Huang and Huxter, {William S.} and Singh, {Chandra Veer} and Jun Nogami",

year = "2018",

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AU - Huang, Kai

AU - Huxter, William S.

AU - Singh, Chandra Veer

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PY - 2018/11/1

Y1 - 2018/11/1

N2 - We describe the atomic structure of the silver film grown on Si(001) at room temperature, as studied by low-temperature scanning tunneling microscopy and density functional theory. Experiment and theory agree on a film structure in which Ag tetramers are identified for the first time. Ag tetramers are found to be adsorbed exclusively at the trough between two Si rows, interacting with four adjacent Si dimers via covalent bonding. Consequently, the π bonds of the Si dimers underneath the silver film are eliminated.

AB - We describe the atomic structure of the silver film grown on Si(001) at room temperature, as studied by low-temperature scanning tunneling microscopy and density functional theory. Experiment and theory agree on a film structure in which Ag tetramers are identified for the first time. Ag tetramers are found to be adsorbed exclusively at the trough between two Si rows, interacting with four adjacent Si dimers via covalent bonding. Consequently, the π bonds of the Si dimers underneath the silver film are eliminated.

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JO - Journal of Physical Chemistry Letters

JF - Journal of Physical Chemistry Letters

IS - 21

ER -

Identification of Tetramers in Silver Films Grown on the Si(001) Surface at Room Temperature

Abstract

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