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 Experiment Videos

Structural transition in rare earth oxide clusters.

D Nicolas1, B Masenelli, P Mélinon

  • 1Université de Lyon, Lyon F-69003, France.

The Journal of Chemical Physics
|November 15, 2006
PubMed
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

Tabular foundation model predicts alternative lengthening of telomeres (ALT) and identifies SMARCAL1 as a target in ALT-driven cancers.

bioRxiv : the preprint server for biology·2026
Same author

A Mentoring Network for Diversity in Dental, Oral, and Craniofacial Research.

Journal of dental research·2024
Same author

Energy deposition in liquid scintillators composed of CsPbBr<sub>3</sub> colloidal nanocrystal dispersions.

Nanoscale·2024
Same author

Estimating migration speed of glass eels during their colonization of a Mediterranean lagoon.

Journal of fish biology·2023
Same author

Highly luminescent scintillating hetero-ligand MOF nanocrystals with engineered Stokes shift for photonic applications.

Nature communications·2022
Same author

Optical properties of individual CdS/CdSe/CdS nanocrystals: spherical quantum wells as single-photon sources.

Nanotechnology·2022
Same journal

Metastable excited states of iodide-alkyl halide cluster anions: Insights from photodetachment spectroscopy and non-Hermitian quantum chemistry.

The Journal of chemical physics·2026
Same journal

Pressure-induced thermal expansion anomalies in dhcp iron hydride associated with magnetoelastic coupling.

The Journal of chemical physics·2026
Same journal

Seniority eigenstate configuration interaction.

The Journal of chemical physics·2026
Same journal

A data-driven modeling study on the accurate identification of Doppler-free saturated absorption spectra in diatomic tellurium (130Te2).

The Journal of chemical physics·2026
Same journal

Anharmonic phonons via quantum thermal bath simulations.

The Journal of chemical physics·2026
Same journal

Quantum simulation of alignment dependent differential cross sections in co-propagating molecular beams at cold collision energies.

The Journal of chemical physics·2026
See all related articles

Small gadolinium sesquioxide (Gd2O3) clusters exhibit a structural transition from body-centered cubic (bcc) to monoclinic phases at reduced sizes. This size-dependent structural change highlights the influence of ionic bonding on nanoparticle crystal lattice stability.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Solid-State Chemistry

Background:

  • Small clusters of ionic compounds, like alkali halides, often display unique size-dependent structural transitions.
  • Rare earth sesquioxides, such as gadolinium sesquioxide (Gd2O3), possess complex structures and high ionic bonding characteristics.
  • Understanding nanoparticle behavior is crucial for applications in catalysis, electronics, and medicine.

Purpose of the Study:

  • To investigate size effects and structural transitions in gadolinium sesquioxide (Gd2O3) nanoparticle clusters.
  • To explore the role of ionic bonding in maintaining crystal lattice integrity at the nanoscale.
  • To compare the structural behavior of Gd2O3 clusters with that of simpler ionic compounds.

Main Methods:

  • Utilizing ultra-high vacuum conditions for controlled particle synthesis and observation.

Related Experiment Videos

  • Employing cathodoluminescence spectroscopy to probe electronic and structural properties.
  • Applying transmission electron microscopy (TEM) for high-resolution imaging and structural analysis.

    • Main Results:

    • Gd2O3 clusters were observed to be well-crystallized, facetted, and predominantly adopt a rhombic dodecahedron shape.
    • A significant structural transition from a body-centered cubic (bcc) to a monoclinic phase was identified at smaller cluster sizes.
    • The study confirms the critical role of strong ionic bonds in preserving the crystal lattice of these nanoparticles.

    Conclusions:

    • Nanoparticle size significantly influences the crystal structure of rare earth sesquioxides.
    • The observed bcc to monoclinic transition in Gd2O3 clusters provides insights into nanoscale phase stability.
    • Ionic interactions play a dominant role in stabilizing crystal structures even at the few-lattice-parameter scale.