Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Self-assembly via adsorbate-driven dislocation reactions.

K Thürmer1, C B Carter, N C Bartelt

  • 1Sandia National Laboratories, Livermore, California 94550, USA.

Physical Review Letters
|April 20, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The role of H-H interactions and impurities on the structure and energetics of H/Pd(111).

The Journal of chemical physics·2022
Same author

Orientation-dependent growth mechanisms of graphene islands on Ir(111).

Nano letters·2014
Same author

Thin-Film Reaction between [alpha]-Fe2O3 and (001) MgO.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·2012
Same author

Preparing arrays of large atomically flat regions on single crystal substrates.

Journal of physics. Condensed matter : an Institute of Physics journal·2011
Same author

Air-stable full-visible-spectrum emission from silicon nanocrystals synthesized by an all-gas-phase plasma approach.

Nanotechnology·2011
Same author

Interpretation of high-resolution images of the best-bound wetting layers on Pt(111).

The Journal of chemical physics·2010

Sulfur deposition on silver films on ruthenium creates ordered 2D vacancy islands. This restructuring occurs through cooperative mechanisms and dislocation movements, simulated by a 2D Frenkel-Kontorova model.

Area of Science:

  • Surface Science
  • Materials Science
  • Condensed Matter Physics

Background:

  • Silver films on ruthenium(0001) exhibit a herringbone pattern.
  • Sulfur deposition is known to induce surface restructuring.

Purpose of the Study:

  • To investigate the nanometer-scale restructuring of Ag/Ru(0001) upon sulfur (S) deposition.
  • To elucidate the mechanism behind the formation of 2D vacancy islands.

Main Methods:

  • Time-resolved scanning tunneling microscopy (TR-STM) for real-time observation.
  • Utilizing a 2D Frenkel-Kontorova model for simulation.

Main Results:

  • Sulfur deposition transforms the Ag herringbone pattern into regular 2D vacancy islands.

Related Experiment Videos

  • Restructuring involves sequential formation of triangular regions with face-centered cubic (fcc) and hexagonal close-packed (hcp) stacking.
  • The 2D Frenkel-Kontorova model successfully simulates island creation via dislocation motions.

    • Conclusions:

    • Sulfur-induced restructuring of Ag/Ru(0001) is a cooperative process.
    • Dislocation dynamics play a key role in forming the observed triangular building blocks and vacancy islands.