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

Related Concept Videos

Metallic Solids

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....

Valence Bond Theory

Valence Bond Theory

Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...

Colors and Magnetism

Colors and Magnetism

Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...

Crystal Field Theory - Octahedral Complexes

Crystal Field Theory - Octahedral Complexes

Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...

You might also read

Related Articles

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

Sort by

Same author

4<i>s</i> Molecular Orbitals and Strongly Correlated 3d States in TiO<i><sub>x</sub></i> and VO<i><sub>x</sub></i>.

Journal of the American Chemical Society·2026

Same author

Giant Magnetostriction in Ferrimagnetic SmFe<sub>5</sub>As<sub>3</sub>.

Angewandte Chemie (International ed. in English)·2026

Same author

Low-Temperature Defect Healing in the Layered Zintl Phase Li<sub>2</sub>ZnSi.

Inorganic chemistry·2026

Same author

An "s-Electron" Donor Band Driven Metallic Ferromagnetism in Co-Doped ZnO Films.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025

Same author

Chemical Behavior of Mo<sub>2</sub> <i>TM</i>B<sub>2</sub> (<i>TM</i> = Fe, Co, Ni) upon the Oxygen Evolution Reaction (OER).

ACS materials Au·2025

Same author

Nitridochromate(IV) fluoride - LiCa<sub>8</sub>[CrN<sub>3</sub>]<sub>2</sub>N<sub>2</sub>F.

Dalton transactions (Cambridge, England : 2003)·2024

Search research articles

Related Experiment Video

Updated: Jul 11, 2025

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Al-Pt intermetallic compounds: HAXPES study.

Iryna Antonyshyn^1,2, Olga Sichevych¹, Ulrich Burkhardt¹

¹Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany. Antonyshyn@fhi-berlin.mpg.de.

Physical Chemistry Chemical Physics : PCCP

|November 10, 2023

Summary

This summary is machine-generated.

The study of aluminum-platinum (Al-Pt) intermetallic compounds reveals that increasing aluminum content shifts platinum

More Related Videos

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

Published on: August 23, 2018

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry

Published on: October 6, 2023

Related Experiment Videos

Last Updated: Jul 11, 2025

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

Published on: August 23, 2018

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry

Published on: October 6, 2023

Area of Science:

Materials Science
Solid State Physics
Surface Science

Background:

Intermetallic compounds exhibit unique electronic and chemical properties.
Understanding charge transfer and bonding in Al-Pt systems is crucial for materials applications.

Purpose of the Study:

To systematically investigate the electronic structure of Al-Pt intermetallic compounds.
To elucidate the relationship between atomic composition, chemical bonding, and core-level shifts.

Main Methods:

Hard X-ray photoelectron spectroscopy (HAXPES) was employed to analyze core levels and valence band features.
Computational analysis was performed to support experimental observations.

Main Results:

Platinum (Pt) 4f core levels shift to higher binding energies with increasing aluminum (Al) content.
Charge transfer from Al to Pt increases with higher Al content.
A novel explanation for the observed core-level shifts was proposed, involving reduced Pt 5d orbital occupancy and limited screening capacity.

Conclusions:

The standard chemical shift model is insufficient to explain the observed phenomena in Al-Pt compounds.
Electronic structure modifications, specifically Pt 5d orbital occupancy, play a key role in core-level shifts.
This research provides deeper insights into the bonding mechanisms and electronic properties of Al-Pt intermetallics.