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  Atomic Arrangement in Two-Dimensional Silica: From Crystalline to Vitreous Structures

Lichtenstein, L., Heyde, M., & Freund, H.-J. (2012). Atomic Arrangement in Two-Dimensional Silica: From Crystalline to Vitreous Structures. Journal of Physical Chemistry C, 116(38), 20426-20432. doi:10.1021/jp3062866.

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 Creators:
Lichtenstein, Leonid1, Author           
Heyde, Markus1, Author           
Freund, Hans-Joachim1, Author           
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              

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 Abstract: The atomic structure of vitreous and crystalline regions of a thin silica film on Ru(0001) was investigated using noncontact atomic force microscopy (nc-AFM) and scanning tunneling microscopy (STM). We were able to resolve the atomic arrangement of the Si and the O atoms in the crystalline and the vitreous structures. We discuss characteristic structural properties of the films, such as distances, orientations, and angles, and we compare our results to experiments and simulations of bulk vitreous silica networks. It was found that order in two-dimensional vitreous networks can extend up to 2 nm.

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Language(s): eng - English
 Dates: 2012-06-262012-08-082012-08-082012-09-27
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/jp3062866
 Degree: -

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Title: Journal of Physical Chemistry C
Source Genre: Journal
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Publ. Info: Washington DC : American Chemical Society
Pages: - Volume / Issue: 116 (38) Sequence Number: - Start / End Page: 20426 - 20432 Identifier: ISSN: 1932-7447
CoNE: https://pure.mpg.de/cone/journals/resource/954926947766_2