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

Colloids

Colloids

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...

Conformations of Cyclohexane

Conformations of Cyclohexane

Cyclohexane does not exist in a planar form due to the high angle and torsional strain it would experience in the planar structure. Instead, it adopts non-planar chair and boat conformations.
The chair form is the most stable and derives its name from its resemblance to the “easy chair.” In the chair conformation, two carbon atoms are arranged out-of-plane — one above and one below, minimizing the torsional strain. In the chair form, the bond angle is very close to the ideal...

Colloids and Suspensions

Colloids and Suspensions

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...

Colloidal precipitates

Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.

The Colloidal State

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called...

You might also read

Related Articles

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

Sort by

Same author

Fast but faulty: Poor sleep skews intuitive-reflective balance in emergency decision-making.

Ergonomics·2026

Same author

Accurate Size Measurement of Individual Polydispersed Hard Spheres from Blurry Video.

Physical review letters·2026

Same author

Introduction to Special Section on Metabolic Imaging and Spectroscopy, 2026.

Academic radiology·2026

Same author

Dose-dependent cerebral metabolic impairment in a swine model of carbon monoxide poisoning.

Neurotoxicology·2026

Same author

Grain Boundary Premelting in Colloidal Polycrystals.

Physical review letters·2026

Same author

Phase separation and coexistence in spatial coordination games between microbes.

Physical review. E·2026

Same journal

Daily briefing: How cooperation built the world.

Nature·2026

Same journal

Deep-sea oddities and boatloads of other new species - June's best science images.

Nature·2026

Same journal

From cloning to gene-editing: the enduring legacy of Dolly the sheep.

Nature·2026

Same journal

Time to give hydration breaks the red card? What science says about keeping cool.

Nature·2026

Same journal

Universities are relying on AI-detection software to catch cheating. How well do the programs work?

Nature·2026

Same journal

Daily briefing: 'Cyborg' cockroaches breathe underwater with printed suit.

Nature·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 6, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 21, 2014

Geometric frustration in buckled colloidal monolayers.

Yilong Han¹, Yair Shokef, Ahmed M Alsayed

¹Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104, USA.

|December 19, 2008

Summary

This summary is machine-generated.

Geometric frustration in colloidal spheres creates unique buckled lattices. This soft-matter system reveals novel dynamics and ground states, differing from theoretical models.

More Related Videos

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Published on: September 9, 2022

Related Experiment Videos

Last Updated: May 6, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 21, 2014

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Published on: September 9, 2022

Area of Science:

Soft matter physics
Condensed matter physics
Statistical mechanics

Background:

Geometric frustration occurs when lattice structures impede energy minimization, leading to complex states like spin ice.
Such systems exhibit degenerate ground states and unique physical properties.

Purpose of the Study:

To investigate a simple, tunable soft-matter system exhibiting geometric frustration.
To compare experimental findings with theoretical models, specifically the antiferromagnetic Ising model.

Main Methods:

Self-assembly of diameter-tunable microgel spheres into a buckled triangular lattice between parallel walls.
Combining experimental observation with theoretical analysis to study particle dynamics and lattice distortions.

Main Results:

The colloidal system forms a buckled triangular lattice with ordered up/down displacements, mimicking an Ising model.
Observed in-plane lattice distortions partially relieve frustration, leading to zigzagging stripe ground states.
The system exhibits subextensive entropy, contrasting with the extensive entropy predicted by the Ising model.

Conclusions:

This tunable soft-matter system provides a visualizable model for studying geometric frustration dynamics.
The observed ground states and entropy differ from standard theoretical predictions, highlighting unique emergent behaviors.
The system offers insights into thermal excitations and defects in frustrated systems.