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Surface Dynamics of Stepped Si(001) Studied by Temporal Leed Spectroscopy

Kammler, M. / Högen, M. Horn / Voss, N. / Tringides, M. / Menzel, A. / Conrad, E. H.

Abstract We present the first demonstration of Temporal LEED Spectroscopy’s ability to measure surface dynamics as shown by a study of step dynamics on vicinal Si(001). While we measure activation energies consistent with other work, the observed microscopic mechanism driving the fluctuations is inconsistent with previous claims. We exclude evaporation/condensation of atoms from the steps as the rate limiting kinetics in the temperature range of this experiment. Possible reasons for these differences are discussed.

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Surface Dynamics of Stepped Si(001) Studied by Temporal Leed Spectroscopy

Kammler, M. / Högen, M. Horn / Voss, N. / Tringides, M. / Menzel, A. / Conrad, E. H.

Abstract We present the first demonstration of Temporal LEED Spectroscopy’s ability to measure surface dynamics as shown by a study of step dynamics on vicinal Si(001). While we measure activation energies consistent with other work, the observed microscopic mechanism driving the fluctuations is inconsistent with previous claims. We exclude evaporation/condensation of atoms from the steps as the rate limiting kinetics in the temperature range of this experiment. Possible reasons for these differences are discussed.

Surface Dynamics of Stepped Si(001) Studied by Temporal Leed Spectroscopy

Kammler, M. / Högen, M. Horn / Voss, N. / Tringides, M. / Menzel, A. / Conrad, E. H.

Abstract We present the first demonstration of Temporal LEED Spectroscopy’s ability to measure surface dynamics as shown by a study of step dynamics on vicinal Si(001). While we measure activation energies consistent with other work, the observed microscopic mechanism driving the fluctuations is inconsistent with previous claims. We exclude evaporation/condensation of atoms from the steps as the rate limiting kinetics in the temperature range of this experiment. Possible reasons for these differences are discussed.

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Titel:

Surface Dynamics of Stepped Si(001) Studied by Temporal Leed Spectroscopy

Beteiligte:

Kammler, M. (Autor:in) / Högen, M. Horn (Autor:in) / Voss, N. (Autor:in) / Tringides, M. (Autor:in) / Menzel, A. (Autor:in) / Conrad, E. H. (Autor:in)

Erschienen in:

Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions ; 23-32

NATO Science Series II: Mathematics, Physics and Chemistry ; 29

Erscheinungsdatum:

01.01.2001

Format / Umfang:

10 pages

ISBN:

978-0-7923-7116-8 , 978-94-010-0816-7

ISSN:

DOI:

https://doi.org/10.1007/978-94-010-0816-7_3

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Step Edge , Step Motion , Normalize Autocorrelation Function , Microscopic Time , Kink Energy Physics , Condensed Matter Physics , Surfaces and Interfaces, Thin Films

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