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

Third Law of Thermodynamics02:38

Third Law of Thermodynamics

18.9K
A pure, perfectly crystalline solid possessing no kinetic energy (that is, at a temperature of absolute zero, 0 K) may be described by a single microstate, as its purity, perfect crystallinity,and complete lack of motion means there is but one possible location for each identical atom or molecule comprising the crystal (W = 1). According to the Boltzmann equation, the entropy of this system is zero.
18.9K
Entropy02:39

Entropy

30.2K
Salt particles that have dissolved in water never spontaneously come back together in solution to reform solid particles. Moreover, a gas that has expanded in a vacuum remains dispersed and never spontaneously reassembles. The unidirectional nature of these phenomena is the result of a thermodynamic state function called entropy (S). Entropy is the measure of the extent to which the energy is dispersed throughout a system, or in other words, it is proportional to the degree of disorder of a...
30.2K
Theory of Metallic Conduction01:17

Theory of Metallic Conduction

1.3K
The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
An electron moves through the crystal, containing positive ions,...
1.3K
Entropy and the Second Law of Thermodynamics01:20

Entropy and the Second Law of Thermodynamics

2.8K
The second law of thermodynamics can be stated quantitatively using the concept of entropy. Entropy is the measure of disorder of the system.
The relation  between entropy and disorder can be illustrated with the example of the phase change of ice to water. In ice, the molecules are located at specific sites giving a solid state, whereas, in a liquid form, these molecules are much freer to move. The molecular arrangement has therefore become more randomized. Although the change in average...
2.8K
The Second Law of Thermodynamics01:14

The Second Law of Thermodynamics

5.3K
In the quest to identify a property that may reliably predict the spontaneity of a process, a promising candidate has been identified: entropy. Scientists refer to the measure of randomness or disorder within a system as entropy. High entropy means high disorder and low energy. To better understand entropy, think of a student’s bedroom. If no energy or work were put into it, the room would quickly become messy. It would exist in a very disordered state, one of high entropy. Energy must be...
5.3K
Second Law of Thermodynamics02:49

Second Law of Thermodynamics

23.8K
In the quest to identify a property that may reliably predict the spontaneity of a process, a promising candidate has been identified: entropy. Processes that involve an increase in entropy of the system (ΔS > 0) are very often spontaneous; however, examples to the contrary are plentiful. By expanding consideration of entropy changes to include the surroundings, a significant conclusion regarding the relation between this property and spontaneity may be reached. In thermodynamic...
23.8K

You might also read

Related Articles

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

Sort by
Same author

Competitive mechanism of stress-driven anelasticity recovery and viscoplastic accumulation in metallic glasses.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same author

Performance and influencing factors of using computed tomography perfusion to identify acute lacunar infarction: a retrospective single-center study.

Acta radiologica (Stockholm, Sweden : 1987)·2025
Same author

Atomistic mechanisms of dynamics in a two-dimensional dodecagonal quasicrystal.

The Journal of chemical physics·2025
Same author

Free Energy Criterion for Thermal Stability of Schwarz Nanocrystals.

Nano letters·2025
Same author

Maintaining Grain Boundary Segregation-Induced Strengthening Effect in Extremely Fine Nanograined Metals.

Nano letters·2025
Same author

Effects of <i>zhongfeng cutong</i> moxibustion on motor function and corticospinal tract in the patients with motor dysfunction during the recovery period of cerebral infarction.

Zhongguo zhen jiu = Chinese acupuncture & moxibustion·2023
Same journal

Accurate Density Functional Theory Forces for Charged Noncovalent Complexes.

The journal of physical chemistry letters·2026
Same journal

Dopant-Centered versus Intersite Synergistic Mechanisms in H<sub>2</sub> Dissociation on Single-Atom Alloys.

The journal of physical chemistry letters·2026
Same journal

Post-Translational Modification as an Allosteric Switch in Hsp90: How Dual Phosphorylation Locks Chaperone Complexes into Hyperstabilized States.

The journal of physical chemistry letters·2026
Same journal

LHCSR1 Functions as a Dimmer Switch for Light Harvesting.

The journal of physical chemistry letters·2026
Same journal

Sparse Linear Surrogates Match Neural Network Potentials on the SPICE Biomolecular Benchmark with Three Orders of Magnitude Smaller Training Sets.

The journal of physical chemistry letters·2026
Same journal

Solid-State NMR Quantification of Brønsted-Lewis Acid Site Cooperativity in Zeolites for Glucose Conversion.

The journal of physical chemistry letters·2026
See all related articles

Related Experiment Video

Updated: Jul 5, 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

Dynamics-Entropy Relationship in Metallic Glasses.

Lin-Li Cao1,2, Yun-Jiang Wang1,2

  • 1State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics Chinese Academy of Sciences, Beijing 100190, China.

The Journal of Physical Chemistry Letters
|January 17, 2024
PubMed
Summary
This summary is machine-generated.

Researchers found a nonlinear power-law link between relaxation time and configurational entropy in metallic glasses, challenging the classical Adam-Gibbs theory and highlighting complex interactions in amorphous matter dynamics.

More Related Videos

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
09:41

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

9.5K
Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
09:32

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Published on: January 26, 2016

8.2K

Related Experiment Videos

Last Updated: Jul 5, 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
Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
09:41

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

9.5K
Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
09:32

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Published on: January 26, 2016

8.2K

Area of Science:

  • Condensed matter physics
  • Materials science
  • Statistical mechanics

Background:

  • The Adam-Gibbs relationship posits a correlation between relaxation time and configurational entropy in amorphous materials.
  • This relationship has been verified in simple liquids but not yet in complex, realistic glass-forming systems.
  • Understanding this link is crucial for predicting and controlling the dynamics of glasses.

Purpose of the Study:

  • To quantitatively investigate the relationship between relaxation time and configurational entropy in a realistic metallic glass.
  • To differentiate between vibrational and configurational entropy contributions.
  • To test the validity of the Adam-Gibbs relationship in complex glass formers.

Main Methods:

  • Free energy sampling techniques were employed to calculate configurational entropy.
  • Lattice dynamics analysis was used to determine vibrational entropy.
  • A realistic Cu-Zr metallic glass model was utilized for simulations.

Main Results:

  • A power-law relationship with an exponent of approximately 3 was discovered between the logarithm of relaxation time and configurational entropy.
  • This nonlinear correlation deviates significantly from the linear prediction of the Adam-Gibbs relationship.
  • Anisotropic many-body interactions were identified as a likely source of this nonlinear behavior.

Conclusions:

  • The Adam-Gibbs relationship, in its original linear form, is insufficient to describe relaxation dynamics in realistic metallic glasses.
  • Configurational entropy plays a crucial role in glass transition dynamics, but its influence is nonlinear.
  • Factors beyond pure thermodynamics, such as anisotropic atomic interactions, significantly impact the dynamics of amorphous matter.