Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Electron-density distribution in cubic SrTiO3: a comparative gamma-ray diffraction study.

W Jauch¹, M Reehuis

¹Hahn-Meitner-Institut, Glienicker Strasse 100, D-14109 Berlin, Germany. jauch@hmi.de

Acta Crystallographica. Section A, Foundations of Crystallography

|June 24, 2005

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

Anisotropy driven spin-reorientation, and two-step magnetic ordering in cubic semiconducting spinelCr0.1Mn0.9Fe0.2Co1.8O4.

Journal of physics. Condensed matter : an Institute of Physics journal·2025

Same author

Interplay of lattice-spin-orbital coupling and Jahn-Teller effect in noncollinear spinel Ti<i><sub>x</sub></i>Mn<sub>1-<i>x</i></sub>(Fe<i><sub>y</sub></i>Co<sub>1-<i>y</i></sub>)<sub>2</sub>O<sub>4</sub>: a neutron diffraction study.

Journal of physics. Condensed matter : an Institute of Physics journal·2024

Same author

Spin-liquid state with precursor ferromagnetic clusters interacting antiferromagnetically in frustrated glassy tetragonal spinel Zn

Journal of physics. Condensed matter : an Institute of Physics journal·2023

Same author

Magnetic-field induced melting of long-range magnetic order akin to Kitaev insulators in the metallic compound Tb<sub>5</sub>Si<sub>3</sub>.

Journal of physics. Condensed matter : an Institute of Physics journal·2023

Same author

Magnetization Process of Atacamite: A Case of Weakly Coupled S=1/2 Sawtooth Chains.

Physical review letters·2021

Same author

Neutron diffraction evidence for local spin canting, weak Jahn-Teller distortion, and magnetic compensation in Ti<sub>1-x</sub> Mn <sub>x</sub> Co<sub>2</sub>O<sub>4</sub> spinel.

Journal of physics. Condensed matter : an Institute of Physics journal·2020

This study used gamma-ray diffraction to analyze strontium titanate (SrTiO3) at room temperature. Results show no anharmonicity and near-zero Ti 3d electron population, aligning with magnetic behavior and indicating ionic bonding.

Area of Science:

Materials Science
Solid-State Physics
Crystallography

Background:

Strontium titanate (SrTiO3) is a technologically important perovskite material.
Understanding its electronic and atomic structure is crucial for its applications.
Previous studies have yielded varying results, necessitating further investigation.

Purpose of the Study:

To accurately determine the electron density and atomic displacements in SrTiO3.
To investigate the electronic properties and bonding characteristics.
To critically compare findings with previous diffraction studies.

Main Methods:

High-precision gamma-ray diffraction at room temperature (lambda = 0.0392 A).
Determination of structure factors under extinction-free conditions.

Related Experiment Videos

Gram-Charlier series expansion for thermal parameter analysis.

Main Results:

No evidence of anharmonicity was found.
The Ti 3d subshell population is near zero, consistent with magnetic observations.
Analysis of bond critical points revealed ionic Ti-O and Sr-O interactions of differing strengths.
Net atomic charges were determined: q(Sr) = 1.18 |e|, q(Ti) = 3.10 |e|, q(O) = -1.42 |e|.

Conclusions:

The study provides a highly accurate structural and electronic description of SrTiO3.
The findings resolve discrepancies with previous experimental data.
The results confirm the ionic nature of bonding in SrTiO3 and its electronic configuration.