A Two-Dimensional ‘Zigzag’ Silica Polymorph on a Metal Support

Kuhness, David; Yang, Hyun Jin; Klemm, Hagen; Prieto, Mauricio; Peschel, Gina; Fuhrich, Alexander; Menzel, Dietrich; Schmidt, Thomas; Yu, Xin; Shaikhutdinov, Shamil K.; Lewandowski, Adrian; Heyde, Markus; Kelemen, Anna; Włodarczyk, Radosław; Usvyat, Denis; Schütz, Martin; Sauer, Joachim; Freund, Hans-Joachim

doi:10.1021/jacs.8b02905

Item

ITEM ACTIONSEXPORT

Add to Basket

Please note that a newer version of this item is available:
https://pure.mpg.de/pubman/item/item_2615557_11

DetailsSummary

Released

Journal Article

A Two-Dimensional ‘Zigzag’ Silica Polymorph on a Metal Support

MPS-Authors

/persons/resource/persons192343

Kuhness, David
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons203267

Yang, Hyun Jin
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons32777

Klemm, Hagen
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons179553

Prieto, Mauricio
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons81085

Peschel, Gina
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons133737

Fuhrich, Alexander
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21866

Menzel, Dietrich
Chemical Physics, Fritz Haber Institute, Max Planck Society;
Physik-Department E20, TU München;

/persons/resource/persons22076

Schmidt, Thomas
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22275

Yu, Xin
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22106

Shaikhutdinov, Shamil K.
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons146331

Lewandowski, Adrian
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21628

Heyde, Markus
Chemical Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21524

Freund, Hans-Joachim
Chemical Physics, Fritz Haber Institute, Max Planck Society;

External Resource

No external resources are shared

Fulltext (restricted access)

There are currently no full texts shared for your IP range.

Fulltext (public)

There are no public fulltexts stored in PuRe

Supplementary Material (public)

There is no public supplementary material available

Citation

Kuhness, D., Yang, H. J., Klemm, H., Prieto, M., Peschel, G., Fuhrich, A., et al. (2018). A Two-Dimensional ‘Zigzag’ Silica Polymorph on a Metal Support. Journal of the American Chemical Society, 140(19), 6164-6168. doi:10.1021/jacs.8b02905.

Cite as: https://hdl.handle.net/21.11116/0000-0001-9E47-E

Abstract

We present a new polymorph of the two-dimensional (2D) silica film with a characteristic ‘zigzag’ line structure and a rectangular unit cell which forms on a Ru(0001) metal substrate. This new silica polymorph may allow for important insights into growth modes and transformations of 2D silica films as a model system for the study of glass transitions. Based on scanning tunneling microscopy, low energy electron diffraction, infrared reflection absorption spectroscopy, and X-ray photoelectron spectroscopy measurements on the one hand, and density functional theory calculations on the other, a structural model for the ‘zigzag’ polymorph is proposed. In comparison to established monolayer and bilayer silica, this ‘zigzag’ structure system has intermediate characteristics in terms of coupling to the substrate and stoichiometry. The silica ‘zigzag’ phase is transformed upon reoxidation at higher annealing temperature into a SiO₂ silica bilayer film which is chemically decoupled from the substrate.