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

Frustration and Conflict: Avoidance-Avoidance, Double-Approach Avoidance01:14

Frustration and Conflict: Avoidance-Avoidance, Double-Approach Avoidance

666
Avoidance-avoidance conflict refers to a psychological situation where a person must choose between two or more unpleasant alternatives. These conflicts are particularly stressful because neither option is desirable. This dilemma is often expressed in sayings like "caught between a rock and a hard place" or "between the devil and the deep blue sea." For instance, individuals who fear dental procedures may find themselves torn between enduring a painful toothache or facing the...
666
The Looking Glass Self01:28

The Looking Glass Self

341
The concept of the looking-glass self describes how an individual's self-concept is shaped by their perception of how others see them. This psychological theory, first introduced by sociologist Charles Horton Cooley in 1902, posits that self-identity emerges in a social context and is influenced by the judgments—real or imagined—of others.Research suggests that individuals frequently overestimate how positively others perceive them. This is particularly evident in physical...
341
The Uncertainty Principle04:08

The Uncertainty Principle

31.8K
Werner Heisenberg considered the limits of how accurately one can measure properties of an electron or other microscopic particles. He determined that there is a fundamental limit to how accurately one can measure both a particle’s position and its momentum simultaneously. The more accurate the measurement of the momentum of a particle is known, the less accurate the position at that time is known and vice versa. This is what is now called the Heisenberg uncertainty principle. He...
31.8K
Le Chatelier's Principle: Changing Concentration02:27

Le Chatelier's Principle: Changing Concentration

65.6K
A system at equilibrium is in a state of dynamic balance, with forward and reverse reactions taking place at equal rates. If an equilibrium system is subjected to a change in conditions that affects these reaction rates differently (a stress), then the rates are no longer equal and the system is not at equilibrium. The system will subsequently experience a net reaction in the direction of a greater rate (a shift) that will re-establish the equilibrium. This phenomenon is summarized by Le...
65.6K
Hardy-Weinberg Principle01:49

Hardy-Weinberg Principle

76.3K
Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the gene pool of the population. The gene pool of a population is the sum of every allele of all genes within that population and has some degree of variation. Genetic variation is typically expressed as a relative frequency, which is the percentage of the total population that has a given allele, genotype or phenotype.
76.3K
The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

59.3K
The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
59.3K

You might also read

Related Articles

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

Sort by
Same author

Alcohol modifiers enable tunable melting and glass formation behavior of hybrid coordination networks.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Inverse Design of Amorphous Materials With Targeted Properties.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Tailoring the Melting and Glass Transition Behavior of Zeolitic Imidazolate Frameworks via Ammonium Halide Salts.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

White-Light Emission in Zeolitic Imidazolate Framework Glasses.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Network Connectivity, Bond Lengths, and Modifier Coordination in Alkali Aluminoborosilicate Glasses.

Inorganic chemistry·2026
Same author

Selective Mineral Recovery from Seawater by Ion-Exchangeable Metal-Organic Framework Glasses.

Journal of the American Chemical Society·2026

Related Experiment Video

Updated: Jan 30, 2026

Spatial Separation of Molecular Conformers and Clusters
10:37

Spatial Separation of Molecular Conformers and Clusters

Published on: January 9, 2014

11.8K

Modifier clustering and avoidance principle in borosilicate glasses: A molecular dynamics study.

Mengyi Wang1, Morten M Smedskjaer2, John C Mauro3

  • 1Physics of AmoRphous and Inorganic Solids Laboratory (PARISlab), Department of Civil and Environmental Engineering, University of California, Los Angeles, California 90095, USA.

The Journal of Chemical Physics
|February 3, 2019
PubMed
Summary

Molecular dynamics simulations reveal clustering of network-modifying cations in borosilicate glasses. This clustering is influenced by network-former ordering, impacting glass structure and properties.

More Related Videos

Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry
12:11

Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry

Published on: April 8, 2020

8.7K
Author Spotlight: In Silico Creation and Impact of Carbonylated Amino Acids on Protein Structure and Function
05:57

Author Spotlight: In Silico Creation and Impact of Carbonylated Amino Acids on Protein Structure and Function

Published on: April 26, 2024

873

Related Experiment Videos

Last Updated: Jan 30, 2026

Spatial Separation of Molecular Conformers and Clusters
10:37

Spatial Separation of Molecular Conformers and Clusters

Published on: January 9, 2014

11.8K
Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry
12:11

Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry

Published on: April 8, 2020

8.7K
Author Spotlight: In Silico Creation and Impact of Carbonylated Amino Acids on Protein Structure and Function
05:57

Author Spotlight: In Silico Creation and Impact of Carbonylated Amino Acids on Protein Structure and Function

Published on: April 26, 2024

873

Area of Science:

  • Materials Science
  • Solid State Chemistry
  • Computational Materials Science

Background:

  • Oxide glasses traditionally feature disordered networks of polyhedra modified by cations.
  • Local heterogeneity and clustering of these species within glass structures remain poorly understood.

Purpose of the Study:

  • Investigate the atomic structure of borosilicate glasses using molecular dynamics simulations.
  • Clarify the existence and extent of local heterogeneity and clustering in network-forming and modifying species.

Main Methods:

  • Utilized molecular dynamics (MD) simulations to model atomic structures.
  • Analyzed spatial distributions of network-forming and network-modifying cations.
  • Correlated network-former ordering with network-modifier clustering.

Main Results:

  • Observed composition-dependent clustering of network-modifying cations, aligning with the modified random network model.
  • Identified mutual avoidance among network-forming atoms, similar to the Loewenstein avoidance principle.
  • Demonstrated that increased ordering in network-former interconnectivity reduces modifier clustering.

Conclusions:

  • The spatial distribution of network modifiers is intrinsically linked to the ordering of network formers.
  • Mutual avoidance of network formers plays a key role in controlling modifier clustering, challenging purely random network assumptions.