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The Structure of the (100) Surface of Ag-In-Gd 1/1 Approximant

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Hars S., Sharma H., Smerdon J., Yadav T., Tamura R., Shimoda M., McGrath R.

Acta Physica Polonica A

2014

vol. 126

issue 2

479-481

Scanning tunneling microscopy is employed to characterise the structure and morphology of the (100) surface of the Ag-In-Gd 1/1 approximant. The surface prepared by the usual method of sputter-annealing produces step-terrace structure. Observed step heights are consistent with the lattice constant of the bulk. Scanning tunneling microscopy on terraces reveals cluster-like protrusions arranged with a square unit cell as expected from the bulk. It has not been possible to assign the terraces to the specific bulk planes because of lack of atomic resolution on terraces.

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1 Acta Physica Polonica A

1 2014

1 Hars S.

1 McGrath R.

1 Sharma H.

1 Shimoda M.

1 Smerdon J.

1 Tamura R.

1 Yadav T.

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The Structure of the (100) Surface of Ag-In-Gd 1/1 Approximant