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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Creation of an air-stable surface electrene and its application to ammonia synthesis.

Nature communications·2026
Same author

Electron-rich dianion vacancies boost diazenide intermediates for efficient chemical looping ammonia synthesis.

Nature communications·2026
Same author

Chemical synthesis of Zr-/Ce-/Sm-containing intermetallic compounds catalyzing NaBH<sub>4</sub>-assisted hydrogenation of 4-nitrophenol.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Electride-Induced Electronic Modulation of Ruthenium Catalyst for Highly Efficient Alkaline Hydrogen Evolution.

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

Exploring Ortho-Para Hydrogen Conversion Catalysts Based on Surface Electric Field Gradient.

The journal of physical chemistry letters·2026
Same author

Amphoteric Behavior of Hydrogen in Lanthanum Oxyhydrides: Correlation with Electrochemical Properties.

Journal of the American Chemical Society·2026

Related Experiment Video

Updated: May 29, 2026

Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition
10:27

Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition

Published on: February 27, 2013

A germanate transparent conductive oxide.

Hiroshi Mizoguchi1, Toshio Kamiya, Satoru Matsuishi

  • 1Frontier Research Center, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan.

Nature Communications
|September 15, 2011
PubMed
Summary

Researchers converted a germanium oxide into a good electronic conductor using superdegeneracy. This discovery expands transparent conducting oxides (TCOs) to covalent materials, marking a significant advancement in materials science.

More Related Videos

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition
09:45

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition

Published on: July 26, 2016

The Effect of Anodization Parameters on the Aluminum Oxide Dielectric Layer of Thin-Film Transistors
12:32

The Effect of Anodization Parameters on the Aluminum Oxide Dielectric Layer of Thin-Film Transistors

Published on: May 24, 2020

Related Experiment Videos

Last Updated: May 29, 2026

Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition
10:27

Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition

Published on: February 27, 2013

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition
09:45

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition

Published on: July 26, 2016

The Effect of Anodization Parameters on the Aluminum Oxide Dielectric Layer of Thin-Film Transistors
12:32

The Effect of Anodization Parameters on the Aluminum Oxide Dielectric Layer of Thin-Film Transistors

Published on: May 24, 2020

Area of Science:

  • Materials Science
  • Solid-State Physics
  • Inorganic Chemistry

Background:

  • Transparent conducting oxides (TCOs) like In₂O₃ and ZnO are crucial electronic materials.
  • Current TCOs utilize post-transition metal cations with s-orbitals, limiting their application scope.
  • Oxides of Al, Si, and Ge have not yielded good electronic conductors.

Purpose of the Study:

  • To explore the potential of germanium oxides as transparent conducting oxides.
  • To investigate the concept of superdegeneracy for enhancing electronic conductivity in oxides.
  • To synthesize and characterize a novel germanium-based conductive oxide.

Main Methods:

  • High-pressure synthesis of cubic SrGeO₃.
  • Characterization of electronic and optical properties.
  • Application of superdegeneracy principles.

Main Results:

  • Cubic SrGeO₃ was successfully synthesized under high pressure.
  • The material exhibits a direct bandgap of 3.5 eV.
  • Achieved carrier mobility of 12 cm²(Vs)⁻¹, DC conductivity of 3 S/cm, and optical conductivity of 400 S/cm.
  • Demonstrated the first germanium-based electronic conductive oxide.

Conclusions:

  • Superdegeneracy enables the conversion of germanium oxides into efficient electronic conductors.
  • This work expands the family of TCOs to include covalent oxides.
  • Opens new avenues for developing advanced transparent conductive materials.