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Related Experiment Video

Updated: Jun 27, 2026

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates

Radio Frequency Magnetron Sputtering of GdBa₂Cu₃O₇₋_δ/ La_0.67Sr_0.33MnO₃ Quasi-bilayer Films on SrTiO₃ (STO) Single-crystal Substrates

Published on: April 12, 2019

Magnetic-Field-Assisted CO₂ Electroreduction at Precision-Engineered Ga-Gd Oxide Nanodomain Interfaces.

Mohammad Karbalaei Akbari^1,2, Kumar Shrestha^1,2, Noor Aljammal³

¹Department of Solid-State Sciences, Faculty of Science, Ghent University, Krijgslaan 281/S1, B-9000 Ghent, Belgium.

Precision Chemistry

|June 26, 2026

Summary

This summary is machine-generated.

We developed a magnetically responsive catalyst using liquid-metal-derived gallium-gadolinium oxide nanodomains. This system enhances electrochemical carbon dioxide conversion by up to 50% when a magnetic field is applied, enabling precise control over chemical reactions.

Keywords:

CO2 electroreduction magnetic field-assisted catalysis magnetic oxide nanodomains multiphase oxide nanocomposites spectroscopic characterization

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Last Updated: Jun 27, 2026

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates

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Fabrication of Spatially Confined Complex Oxides

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Published on: July 1, 2013

Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

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Published on: June 9, 2023

Area of Science:

Materials Science
Catalysis
Electrochemistry

Background:

Liquid-metal-derived catalysts offer unique, adaptive interfaces for precision chemistry.
Developing catalysts with tunable properties is crucial for efficient CO2 conversion.

Purpose of the Study:

To create a magnetically responsive gallium-gadolinium (Ga-Gd) catalytic system for electrochemical CO2 conversion.
To investigate the structural and electronic properties of the catalyst and its magnetic field sensitivity.

Main Methods:

Controlled thermal annealing of Ga-Gd composites.
Characterization using atomic-resolution microscopy, XRD, Raman spectroscopy, XPS/UPS, and NMR.
Electrochemical CO2 reduction experiments with and without magnetic fields.

Main Results:

Annealing formed defect-suppressed β-Ga2O3 with Gd2O3 nanodomains, creating localized magnetic interactions.
The Ga-Gd catalyst showed magnetic modulation of CO2 conversion, increasing from ~10% to ~14-15% under a 200 mT field.
Selective production of CO and CH3OH was observed, with magnetic enhancement linked to interfacial kinetics.

Conclusions:

Ultrafine oxide nanodomains in liquid-metal catalysts enable magnetically tunable electrochemical reactivity.
This approach advances controllable CO2 conversion through precision chemistry and reconfigurable interfacial motifs.