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

Electron Configurations02:46

Electron Configurations

20.3K
Electron configurations and orbital diagrams can be determined by applying the Aufbau principle (each added electron occupies the subshell of lowest energy available), Pauli exclusion principle (no two electrons can have the same set of four quantum numbers), and Hund’s rule of maximum multiplicity (whenever possible, electrons retain unpaired spins in degenerate orbitals).
The relative energies of the subshells determine the order in which atomic orbitals are filled (1s, 2s, 2p, 3s, 3p,...
20.3K
Crystal Field Theory - Tetrahedral and Square Planar Complexes02:46

Crystal Field Theory - Tetrahedral and Square Planar Complexes

47.5K
Tetrahedral Complexes
Crystal field theory (CFT) is applicable to molecules in geometries other than octahedral. In octahedral complexes, the lobes of the dx2−y2 and dz2 orbitals point directly at the ligands. For tetrahedral complexes, the d orbitals remain in place, but with only four ligands located between the axes. None of the orbitals points directly at the tetrahedral ligands. However, the dx2−y2 and dz2 orbitals (along the Cartesian axes) overlap with the ligands less than...
47.5K
Molecular Orbital Theory II03:51

Molecular Orbital Theory II

21.7K
Molecular Orbital Energy Diagrams
21.7K
VSEPR Theory and the Basic Shapes02:52

VSEPR Theory and the Basic Shapes

62.1K
Overview of VSEPR Theory
62.1K
Predicting Molecular Geometry02:27

Predicting Molecular Geometry

35.7K
VSEPR Theory for Determination of Electron Pair Geometries
35.7K
VSEPR Theory and the Effect of Lone Pairs04:01

VSEPR Theory and the Effect of Lone Pairs

40.2K
Effect of Lone Pairs of Electrons on Molecule Geometry
40.2K

You might also read

Related Articles

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

Sort by
Same author

Modeling IN out-of-hospital emergency medical services-a scoping review of approaches and applications.

Frontiers in public health·2026
Same author

Water adsorption on a model silicate surface: wollastonite (100).

Nanoscale·2026
Same author

AFM imaging reveals the unreconstructed α‑Al<sub>2</sub>O<sub>3</sub>(0001) surface to be inhomogeneous and rough.

Nature communications·2026
Same author

CO on a Rh/Fe<sub>3</sub>O<sub>4</sub> single-atom catalyst: high-resolution infrared spectroscopy and near-ambient-pressure scanning tunnelling microscopy.

Faraday discussions·2026
Same author

Total Variation-Based Image Decomposition and Denoising for Microscopy Images.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·2026
Same author

Machine learning the order-disorder Jahn-Teller transition in LaMnO3.

The Journal of chemical physics·2026

Related Experiment Video

Updated: May 2, 2026

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

11.8K

Anisotropic two-dimensional electron gas at SrTiO3(110).

Zhiming Wang1, Zhicheng Zhong, Xianfeng Hao

  • 1Institute of Applied Physics, Vienna University of Technology, 1040 Vienna, Austria.

Proceedings of the National Academy of Sciences of the United States of America
|March 5, 2014
PubMed
Summary

A new two-dimensional electron gas (2DEG) system on SrTiO3(110) offers tunable electronic properties. This novel oxide heterostructure exhibits unique confinement effects and anisotropic electronic behavior, distinct from previous 2DEGs.

Keywords:
ARPESelectronic structureoxide surfaceperovskitequantum confinement

More Related Videos

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

9.7K
Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
08:53

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

17.3K

Related Experiment Videos

Last Updated: May 2, 2026

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

11.8K
Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

9.7K
Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
08:53

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

17.3K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Surface Science

Background:

  • Two-dimensional electron gases (2DEGs) in oxide heterostructures are promising alternatives to conventional semiconductors.
  • Understanding 2DEG formation and properties in different crystallographic orientations is crucial for device applications.

Purpose of the Study:

  • To investigate the formation and electronic properties of a 2DEG at the SrTiO3(110)-(4 × 1) surface.
  • To compare the confinement effects along the (110) orientation with the more studied (001) orientation.
  • To explore the tunability of the 2DEG's electronic anisotropy and effective mass.

Main Methods:

  • Fabrication of a minimal 2DEG system using a SrTiO3(110)-(4 × 1) surface with a titania overlayer.
  • Induction of oxygen vacancies via synchrotron radiation to create electron doping and confinement.
  • Characterization using angle-resolved photoemission spectroscopy (ARPES).
  • Theoretical modeling to understand the electronic structure and confinement.

Main Results:

  • Successful creation of a 2DEG at the SrTiO3(110)-(4 × 1) interface.
  • Demonstration of confinement along (110) orientation, differing significantly from (001).
  • Observation of a unique "semiheavy" quantized subband and high electronic anisotropy.
  • Tunable anisotropy and effective mass through doping.

Conclusions:

  • The SrTiO3(110) surface provides a novel platform for 2DEG formation with distinct electronic properties.
  • The observed "semiheavy" band and high anisotropy offer new avenues for electronic device engineering.
  • Tunability of electronic properties via doping enhances the potential of this system for future functionalities.