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 Concept Videos

Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

26.5K
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...
26.5K
Crystal Field Theory - Tetrahedral and Square Planar Complexes02:46

Crystal Field Theory - Tetrahedral and Square Planar Complexes

42.5K
Tetrahedral Complexes
Crystal field theory (CFT) is applicable to molecules in geometries other than octahedral. In octahedral complexes, the lobes of the dx2−y2 and dz2 orbitals point directly at the ligands. For tetrahedral complexes, the d orbitals remain in place, but with only four ligands located between the axes. None of the orbitals points directly at the tetrahedral ligands. However, the dx2−y2 and dz2 orbitals (along the Cartesian axes) overlap with the ligands less than the dxy,...
42.5K
Metallic Solids02:37

Metallic Solids

18.4K
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....
18.4K
Structures of Solids02:22

Structures of Solids

14.1K
Solids in which the atoms, ions, or molecules are arranged in a definite repeating pattern are known as crystalline solids. Metals and ionic compounds typically form ordered, crystalline solids. A crystalline solid has a precise melting temperature because each atom or molecule of the same type is held in place with the same forces or energy. Amorphous solids or non-crystalline solids (or, sometimes, glasses) which lack an ordered internal structure and are randomly arranged. Substances that...
14.1K
X-ray Crystallography02:18

X-ray Crystallography

23.9K
The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
23.9K
Ionic Crystal Structures02:42

Ionic Crystal Structures

14.3K
Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
14.3K

You might also read

Related Articles

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

Sort by
Same author

From Exciton to Tetraexciton: Final-State Doublets and 1P Addition Energies in a Weakly Confined Perovskite Quantum Dot.

The journal of physical chemistry letters·2026
Same author

Bound states in the continuum in plasmonic structures.

Reports on progress in physics. Physical Society (Great Britain)·2026
Same author

Covalent Dual-Shell-Encapsulated Perovskite Quantum Dots for Blue-Light-Resistant, Highly Stable Pixel Fabrication.

ACS nano·2026
Same author

Suppressing dendrites <i>via</i> lateral lithium flux in Li metal solid-state batteries.

Energy & environmental science·2026
Same author

Dynamically tunable membrane metasurfaces for infrared spectroscopy and strong light-matter interactions.

Light, science & applications·2026
Same author

Chiral Bismuth Halide Metasurfaces for Enhanced Second Harmonic Generation.

The journal of physical chemistry letters·2026
Same journal

Monolithic Axial InGaAs Quantum Dot Emitters in GaAs-Based Nanowires via Sb-Mediated Facet Engineering.

Nano letters·2026
Same journal

Electrical Imaging of DNA Substructures Using Quasi-Static Nanopore Scanning.

Nano letters·2026
Same journal

Structural Basis of Hemoglobin Amyloid Fibrils Revealed by cryo-EM and Molecular Dynamics Simulations.

Nano letters·2026
Same journal

Rashba-Related Spin-Selective Effect in 2D Chiral Perovskites with Achiral Organic Cation Spacers.

Nano letters·2026
Same journal

Visualizing Superconducting Gap Modulation Induced by Pair-Breaking Scattering Interference in Bulk FeSe.

Nano letters·2026
Same journal

Generalized Geometric Phase for Coupled Meta-Atoms.

Nano letters·2026
See all related articles

Related Experiment Video

Updated: Jul 2, 2025

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

8.5K

Multiscale Supercrystal Meta-atoms.

Pavel Tonkaev1, Evgeniia Grechaninova2, Ivan Iorsh3

  • 1Nonlinear Physics Centre, Research School of Physics, Australian National University, Canberra, Australian Capital Territory 2601, Australia.

Nano Letters
|February 26, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed novel supercrystal meta-atoms using perovskite quantum dots. These structures show unique light emission properties, paving the way for advanced active metamaterials and metasurfaces.

Keywords:
Halide perovskitesMie resonancesexciton-polaritonssupercrystals

More Related Videos

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics
10:52

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics

Published on: April 12, 2019

12.8K
Microcrystallography of Protein Crystals and In Cellulo Diffraction
09:35

Microcrystallography of Protein Crystals and In Cellulo Diffraction

Published on: July 21, 2017

9.1K

Related Experiment Videos

Last Updated: Jul 2, 2025

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

8.5K
Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics
10:52

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics

Published on: April 12, 2019

12.8K
Microcrystallography of Protein Crystals and In Cellulo Diffraction
09:35

Microcrystallography of Protein Crystals and In Cellulo Diffraction

Published on: July 21, 2017

9.1K

Area of Science:

  • Optics and Photonics
  • Materials Science
  • Condensed Matter Physics

Background:

  • Metamaterials utilize meta-atoms (resonators) to control electromagnetic radiation.
  • Current meta-atoms often use simple dielectric or metallic structures.
  • Novel meta-atom designs are needed for advanced functionalities.

Purpose of the Study:

  • To fabricate and investigate supercrystal meta-atoms composed of coupled perovskite quantum dots.
  • To explore the unique optical emission properties of these multiscale structures.
  • To assess their potential for active metamaterials and metasurfaces.

Main Methods:

  • Fabrication of supercrystal meta-atoms using perovskite quantum dots.
  • Characterization of their optical emission properties.
  • Analysis of spectrum splitting and polaritonic effects.

Main Results:

  • Successfully fabricated supercrystal meta-atoms from coupled perovskite quantum dots.
  • Observed unique emission properties, including spectrum splitting.
  • Demonstrated the presence of polaritonic effects within the structures.

Conclusions:

  • Supercrystal meta-atoms offer novel optical functionalities.
  • These structures are promising for the development of active metamaterials.
  • Potential applications in advanced optical devices and metasurfaces.