Scanning tuneling microscopy tip-dependent image contrast of S/Pt(111) by controlled atom transfer

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Sudden changes in the detailed appearance and corrugation of atomic-resolution scanning tunneling microscopy (STM) images are commonly observed. In particular, these effects for the Pt(111)({radical}3 {times} {radical} 3)R30{degrees}-sulfur structure have been studied. Corrugation changes have been investigated by the controlled transfer of atoms between tip and sample. Theoretical images simulations using electron scattering quantum chemical methods show that the image contrast is strongly dependent on the chemical identity of the STM tip atom. Observed changes in the sulfur images can be explained by changes from platinum-terminated to sulfur-terminated STM tips.

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12 p.

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McIntyre, B.J.; Dunphy, J.C.; Salmeron, M.; Somorjai, G.A. & Sautet, P. October 1, 1993.

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Description

Sudden changes in the detailed appearance and corrugation of atomic-resolution scanning tunneling microscopy (STM) images are commonly observed. In particular, these effects for the Pt(111)({radical}3 {times} {radical} 3)R30{degrees}-sulfur structure have been studied. Corrugation changes have been investigated by the controlled transfer of atoms between tip and sample. Theoretical images simulations using electron scattering quantum chemical methods show that the image contrast is strongly dependent on the chemical identity of the STM tip atom. Observed changes in the sulfur images can be explained by changes from platinum-terminated to sulfur-terminated STM tips.

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12 p.

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OSTI as DE95011280

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  • International conference on scanning tunneling microscopy, Beijing (China), 9-14 Aug 1993

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  • Other: DE95011280
  • Report No.: LBL--34503
  • Report No.: CONF-9308266--1
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 71642
  • Archival Resource Key: ark:/67531/metadc709030

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  • October 1, 1993

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 5, 2016, 10:39 a.m.

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McIntyre, B.J.; Dunphy, J.C.; Salmeron, M.; Somorjai, G.A. & Sautet, P. Scanning tuneling microscopy tip-dependent image contrast of S/Pt(111) by controlled atom transfer, article, October 1, 1993; California. (digital.library.unt.edu/ark:/67531/metadc709030/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.