Related Experiment Video
Updated: May 26, 2026

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents
Published on: May 28, 2014
Phase transitions and electron-phonon coupling in platinum hydride
Chao Zhang1, Xiao-Jia Chen, Hai-Qing Lin
1Beijing Computational Science Research Center, Beijing, People's Republic of China.
Researchers explored platinum hydride under pressure using first-principles calculations. New metallic phases were discovered, and strong electron-phonon coupling was found to enhance superconductivity in high-pressure phases.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Computational Chemistry
Background:
- Platinum hydride (PtH) is a subject of interest for its potential superconducting properties.
- Understanding structural phase transitions under pressure is crucial for predicting material behavior.
Purpose of the Study:
- To investigate the structural phase transitions of platinum hydride under pressure.
- To explore the superconducting properties and the underlying mechanisms in platinum hydride.
Main Methods:
- First-principles calculations based on density functional theory (DFT).
- Analysis of structural stability and electronic properties.
Main Results:
- Prediction of three new low-pressure phases: Pm3m, Cmmm, and P4/nmm.
- All predicted phases are metallic and stable.
- Correlation between superconducting critical temperature and electron-phonon coupling in high-pressure phases.
- Identification of soft modes (Kohn anomalies) and Pt-H hybridization as drivers of strong electron-phonon coupling.
Conclusions:
- The study reveals novel stable phases of platinum hydride under pressure.
- Strong electron-phonon coupling, driven by specific structural and electronic features, is key to superconductivity in these hydrides.
- Findings offer insights into the behavior of other transition metal hydrides under extreme conditions.
More Related Videos
10:52Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex
Published on: July 27, 2022
12:08Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes
Published on: June 24, 2022
Related Concept Videos
¹H NMR: Long-Range Coupling
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene π orbitals.
Inductive Effects on Chemical Shift: Overview
Hybridization of Atomic Orbitals II
Spin–Spin Coupling Constant: Overview
Qualitatively, any spin plus-half nucleus polarizes the spins of its electrons to the minus-half state. Consequently, the paired electron in the hydrogen–carbon bond must have a...
Properties of Transition Metals
Valence Bond Theory