Simulating atomic force microscopy imaging of the ideal and defected TiO2 (110) surface

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Simulating atomic force microscopy imaging of the ideal and defected TiO2 (110) surface. / Foster, A. S.; Pakarinen, O.H.; Airaksinen, J.M.; Gale, J.D.; Nieminen, R. M.

In: Physical Review B, Vol. 68, No. 19, 195410, 2003, p. 1-8.

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Foster, A. S. ; Pakarinen, O.H. ; Airaksinen, J.M. ; Gale, J.D. ; Nieminen, R. M. / Simulating atomic force microscopy imaging of the ideal and defected TiO2 (110) surface. In: Physical Review B. 2003 ; Vol. 68, No. 19. pp. 1-8.

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@article{f2f2ef9a536d4cbca3cddae2a7eef697,
title = "Simulating atomic force microscopy imaging of the ideal and defected TiO2 (110) surface",
abstract = "In this study we simulate noncontact atomic force microscopy imaging of the TiO2 (110) surface using first-principles and atomistic methods. We use three different tip models to investigate the tip-surface interaction on the ideal surface, and find that agreement with experiment is found for either a silicon tip or a tip with a net positive electrostatic potential from the apex. Both predict bright contrast over the bridging oxygen rows. We then study the interaction of this tip with a bridging oxygen vacancy on the surface, and find that the much weaker interaction observed would result in vacancies appearing as dark contrast along the bright rows in images.",
keywords = "AFM, Theory, TiO<sub>2</sub>, AFM, Theory, TiO<sub>2</sub>, AFM, Theory, TiO<sub>2</sub>",
author = "Foster, {A. S.} and O.H. Pakarinen and J.M. Airaksinen and J.D. Gale and Nieminen, {R. M.}",
year = "2003",
doi = "10.1103/PhysRevB.68.195410",
language = "English",
volume = "68",
pages = "1--8",
journal = "Physical Review B (Condensed Matter and Materials Physics)",
issn = "2469-9950",
publisher = "American Physical Society",
number = "19",

}

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TY - JOUR

T1 - Simulating atomic force microscopy imaging of the ideal and defected TiO2 (110) surface

AU - Foster, A. S.

AU - Pakarinen, O.H.

AU - Airaksinen, J.M.

AU - Gale, J.D.

AU - Nieminen, R. M.

PY - 2003

Y1 - 2003

N2 - In this study we simulate noncontact atomic force microscopy imaging of the TiO2 (110) surface using first-principles and atomistic methods. We use three different tip models to investigate the tip-surface interaction on the ideal surface, and find that agreement with experiment is found for either a silicon tip or a tip with a net positive electrostatic potential from the apex. Both predict bright contrast over the bridging oxygen rows. We then study the interaction of this tip with a bridging oxygen vacancy on the surface, and find that the much weaker interaction observed would result in vacancies appearing as dark contrast along the bright rows in images.

AB - In this study we simulate noncontact atomic force microscopy imaging of the TiO2 (110) surface using first-principles and atomistic methods. We use three different tip models to investigate the tip-surface interaction on the ideal surface, and find that agreement with experiment is found for either a silicon tip or a tip with a net positive electrostatic potential from the apex. Both predict bright contrast over the bridging oxygen rows. We then study the interaction of this tip with a bridging oxygen vacancy on the surface, and find that the much weaker interaction observed would result in vacancies appearing as dark contrast along the bright rows in images.

KW - AFM

KW - Theory

KW - TiO<sub>2</sub>

KW - AFM

KW - Theory

KW - TiO<sub>2</sub>

KW - AFM

KW - Theory

KW - TiO<sub>2</sub>

U2 - 10.1103/PhysRevB.68.195410

DO - 10.1103/PhysRevB.68.195410

M3 - Article

VL - 68

SP - 1

EP - 8

JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

SN - 2469-9950

IS - 19

M1 - 195410

ER -

ID: 3550634