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

Atomic structures of the Ge/Si(113)-(2 x 2) surface.

Zhaohui Zhang1, Koji Sumitomo, Hiroo Omi

  • 1NTT Basic Research Laboratories, NTT Corporation, Atsugi, Kanagawa 243-0198, Japan.

Physical Review Letters
|July 5, 2002
PubMed
Summary

Germanium (Ge) on Silicon (Si) surfaces exhibit unique atomic structures. Researchers found tilted pentamers stabilized by subsurface atoms, with dynamic tilting orientations at epitaxial temperatures.

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

Two cases of gastric adenocarcinoma with enteroblastic differentiation resected by endoscopic submucosal dissection.

Clinical journal of gastroenterology·2021
Same author

Effects of anti-thrombotic drugs on all-cause mortality after upper gastrointestinal bleeding in Japan: A multicenter study with 2205 cases.

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society·2021
Same author

Efficacy of Sodium Carboxymethylcellulose Compared to Sodium Hyaluronate as Submucosal Injectant for Gastric Endoscopic Submucosal Dissection: A Randomized Controlled Trial.

Digestion·2021
Same author

Prognostic value of impaired hepato-renal function and liver fibrosis in patients admitted for acute heart failure.

ESC heart failure·2021
Same author

Incremental prognostic value of cardiac metaiodobenzylguanidine imaging over the co-morbid burden in acute decompensated heart failure.

ESC heart failure·2021
Same author

A case of eosinophilic esophagitis with autoimmune polyendocrine syndrome type 2, including autoimmune gastritis.

Clinical journal of gastroenterology·2021

Area of Science:

  • Surface Science
  • Materials Science
  • Condensed Matter Physics

Background:

  • Understanding the atomic structure of epitaxial Germanium (Ge) on Silicon (Si) surfaces is crucial for advanced semiconductor applications.
  • The Si(113) surface presents unique reconstruction patterns that influence epitaxial growth.
  • Previous models did not fully capture the complex atomic arrangements observed.

Purpose of the Study:

  • To elucidate the atomic structure of the Ge/Si(113)-(2 x 2) surface.
  • To investigate the stability and dynamics of surface reconstructions during Ge epitaxial growth.
  • To provide a detailed atomic model supported by experimental and theoretical data.

Main Methods:

  • Scanning tunneling microscopy (STM) for real-space atomic imaging of Ge/Si(113) growth.

Related Experiment Videos

  • First-principles total energy calculations to determine stable atomic configurations.
  • Band structure calculations to understand electronic properties.

    • Main Results:

    • The Ge/Si(113)-(2 x 2) surface consists of alternating [1;10]-oriented rows of rebonded atoms and tilted pentamers.
    • Each pentamer is stabilized by a subsurface interstitial atom.
    • Stacking defects indicate dynamic tilting of pentamers between two minimum energy states at epitaxial temperatures.

    Conclusions:

    • A detailed atomic model for the Ge/Si(113)-(2 x 2) surface reconstruction has been established.
    • The dynamic behavior of surface atoms, specifically pentamer tilting, is a key feature at growth temperatures.
    • This study provides fundamental insights into the epitaxial growth mechanisms of Ge on Si(113).