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

Imperfections in Crystal Structure: Stoichiometric Point Defects

Imperfections in Crystal Structure: Stoichiometric Point Defects

Schottky defects arise when some lattice points in a crystal, such as those in NaCl, remain unoccupied, creating lattice vacancies without disturbing the overall electrical neutrality of the crystal. This defect is common in ionic crystals where the positive and negative ions are similar in size, as seen in sodium chloride and cesium chloride. The presence of Schottky defects enables the crystal to conduct electricity to a small extent through an ionic mechanism. Electric fields cause nearby...

Imperfections in Crystal Structure: Point, Line and Plane Defects

Imperfections in Crystal Structure: Point, Line and Plane Defects

A perfect crystal, in theory, has a uniform structure with the same unit cell and lattice points throughout. However, any deviation from this periodic arrangement is known as an imperfection or defect. These defects can be categorized into three types: point, line, and plane defects.Point defects occur when there is a deviation from the ideal due to missing atoms, displaced atoms, or additional atoms. These imperfections might occur due to imperfect packing during crystallization or because of...

Standing Waves in a Cavity

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

$Interference and Diffraction$ 02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.

Imperfections in Crystal Structure: Non-Stoichiometric Defects

Imperfections in Crystal Structure: Non-Stoichiometric Defects

Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...

Theories of Dissolution: Diffusion Layer Model

Theories of Dissolution: Diffusion Layer Model

Dissolution, the process by which drug particles dissolve in a solvent, is explained by the diffusion layer model, a theoretical framework that simulates the absorption of oral drugs and allows us to analyze experimental data.
This process starts with a thin layer, saturated with the drug, forming at the interface between the solid and liquid. The solute then diffuses from this layer into the main solution. The Noyes-Whitney equation suggests that the rate of dissolution relies on the diffusion...

You might also read

Related Articles

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

Sort by

Same author

Self-oscillatory instability of the driven phase front propagation induced by liberation of latent heat.

Physical review. E·2023

Same author

Transformation toughness induced by surface tension of the crack-tip process zone interface: A field-theoretical approach.

Physical review. E·2021

Same author

Morphological transformation of the process zone at the tip of a propagating crack. II. Geometrical parameters of the process zone.

Physical review. E·2020

Same author

Morphological transformation of the process zone at the tip of a propagating crack. I. Simulation.

Physical review. E·2020

Same author

Crack-tip process zone as a bifurcation problem.

Physical review. E·2018

Same author

Relation between bulk and interface descriptions of alloy solidification.

Physical review. E, Statistical, nonlinear, and soft matter physics·2013

Search research articles

Related Experiment Video

Updated: May 24, 2026

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Published on: May 28, 2016

Diffusion-induced oscillations of extended defects.

Alexander L Korzhenevskii¹, Richard Bausch, Rudi Schmitz

¹Institute for Problems of Mechanical Engineering, RAS, Bol'shoi prospect VO 61, St Petersburg 199178, Russia.

Physical Review Letters

|March 10, 2012

Summary

A new model reveals how interface motion can oscillate, forming solute bands in alloys. This occurs in unstable regimes, explaining banded structures in materials science.

Area of Science:

Materials Science
Physics
Chemical Engineering

Background:

Understanding interface dynamics is crucial for materials processing.
Solute banding in alloys affects material properties.
Previous models did not fully capture oscillatory interface motion.

Purpose of the Study:

To develop a simple model for driven interface motion.
To investigate the conditions leading to oscillatory propagation.
To explain the formation of solute bands in binary alloys.

Main Methods:

Derivation of a damped nonlinear oscillator equation.
Analysis of the model within an unstable regime (negative damping).
Inclusion of the Mullins-Sekerka instability.

More Related Videos

Fabrication of Spatially Confined Complex Oxides

Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

Related Experiment Videos

Last Updated: May 24, 2026

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Published on: May 28, 2016

Fabrication of Spatially Confined Complex Oxides

Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

Main Results:

Limit-cycle solutions were found, indicating oscillatory interface propagation.
The model provides a scenario for solute band formation.
Banded structures can form under specific conditions.

Conclusions:

The nonlinear oscillator model successfully describes oscillatory interface motion.
This provides a clear mechanism for solute band formation in alloys.
The findings contribute to understanding complex material structures.