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

First-principles simulations of boron diffusion in graphite.

I Suarez-Martinez1, A A El-Barbary, G Savini

  • 1Department of Chemistry, School of Life Science, University of Sussex, Falmer, Brighton, UK. is25@sussex.ac.uk

Physical Review Letters
|March 16, 2007
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

Patient-Specific CFD Modeling of Cerebrospinal Fluid Dynamics in Lumbar Spinal Stenosis using Weight-Bearing MRI: Influence of Stenosis Severity and Postural Changes.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Quantitative cervical cord MRI in spinal muscular atrophy: a sensitive imaging biomarker of disease evolution and treatment.

Journal of neurology·2025
Same author

Sulfoxidation of pyrimidine thioate derivatives and study their biological activities.

Scientific reports·2025
Same author

Synthesis and molecular docking simulations of novel azepines based on quinazolinone moiety as prospective antimicrobial and antitumor hedgehog signaling inhibitors.

Scientific reports·2024
Same author

Neutralising antibodies to West Nile virus detected in horses in Windhoek, Namibia.

Journal of the South African Veterinary Association·2022
Same author

Artificial intelligence-based radiomics on computed tomography of lumbar spine in subjects with fragility vertebral fractures.

Journal of endocrinological investigation·2022

Boron significantly alters graphite

Area of Science:

  • Materials Science
  • Solid State Physics
  • Computational Chemistry

Background:

  • Graphite's electronic and diffusion properties are sensitive to impurities.
  • Boron is known to affect graphite's characteristics.
  • Understanding boron-point defect interactions is crucial for materials applications.

Purpose of the Study:

  • To investigate the interaction between boron and point defects in graphite.
  • To determine the structures, thermodynamics, and diffusion mechanisms of boron in graphite.
  • To elucidate the atomic-level processes governing boron diffusion.

Main Methods:

  • First-principles (ab initio) calculations.
  • Density Functional Theory (DFT) for electronic structure.
  • Thermodynamic analysis of defect structures.

Related Experiment Videos

  • Diffusion pathway modeling.

    • Main Results:

    • Identified stable structures of boron at point defects in graphite.
    • Calculated the energy barriers for various boron diffusion pathways.
    • Proposed a kick-out mechanism as the dominant diffusion route.
    • Explained the anisotropy in boron diffusion rates.

    Conclusions:

    • Boron diffusion in graphite occurs via a kick-out mechanism.
    • This mechanism accounts for the observed activation energy.
    • The kick-out mechanism explains the significant difference in diffusion rates parallel and perpendicular to the basal plane.