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

Dynamic ad-dimer twisting assisted nanowire self-assembly on Si(001).

Jian-Tao Wang1, E G Wang, D S Wang

  • 1Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China. wjt@aphy.iphy.ac.cn

Physical Review Letters
|August 11, 2005
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

Enhanced energy storage performance of confined co-doping dielectric films via nanoparticle self-assembly in ferroelectric phases.

Nature communications·2026
Same author

Interlayer Valley Coupling and Hybridized Excitons in Twisted van der Waals Bilayers With Broken Translational Symmetry.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Twist-Angle-Controlled Built-In Field Reversal Enables Programmable Self-Powered Photodetection in Low-Symmetry Heterostructures.

Nano letters·2026
Same author

Interfacial Magnetic Order Controls Valley Polarization in WS<sub>2</sub>/Fe<sub>3</sub>GaTe<sub>2</sub> Heterostructures.

The journal of physical chemistry letters·2026
Same author

Large Enhancement of Magnetocaloric and Barocaloric Effects by Hydrostatic Pressure in La(Fe<sub>0.92</sub>Co<sub>0.08</sub>)<sub>11.9</sub>Si<sub>1.1</sub> with a NaZn<sub>13</sub>-Type Structure.

Chemistry of materials : a publication of the American Chemical Society·2026
Same author

Flexible Unusual Ternary-Component Graded-Modulus Dielectric Films with High-Density Capacitive Energy Storage.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

A novel dynamic ad-dimer twisting assisted (DATA) process enables self-assembly of group-V nanowires on Si(001). This process lowers kinetic barriers, explaining observed nanowire formation in dimer vacancy lines.

Area of Science:

  • Surface science
  • Materials science
  • Computational physics

Background:

  • Self-assembly of nanowires is crucial for nanoscale electronics.
  • Understanding the atomistic mechanisms of nanowire formation on semiconductor surfaces is challenging.

Purpose of the Study:

  • To elucidate the atomistic origin and dynamic pathway of group-V nanowire self-assembly on Si(001).
  • To investigate the role of a novel dynamic ad-dimer twisting assisted (DATA) process.

Main Methods:

  • Ab initio total energy calculations were employed.
  • The study focused on the Si(001) surface with group-V elements (Bi, Sb).
  • Analysis involved examining structural reconstructions and kinetic barriers.

Main Results:

Related Experiment Videos

  • A dynamic ad-dimer twisting assisted (DATA) process was identified as key to nanowire formation.
  • This process facilitates a novel structural reconstruction involving surface and subsurface atoms.
  • Long nanowires of Bi and Sb self-assemble in the trenches of surface dimer vacancy lines (DVLs) with a double-dimer configuration.

Conclusions:

  • The DATA process significantly lowers the kinetic barrier for nanowire self-assembly.
  • Favorable interactions between ad-dimers and step edges in DVLs contribute to the process.
  • The findings provide an atomistic explanation for experimental observations of nanowire self-assembly on Si(001).