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

Phase Diagrams02:39

Phase Diagrams

44.4K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
44.4K
Phase Transitions02:31

Phase Transitions

20.5K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
20.5K
Phase Diagram01:19

Phase Diagram

6.1K
The phase of a given substance depends on the pressure and temperature. Thus, plots of pressure versus temperature showing the phase in each region provide considerable insights into the thermal properties of substances. Such plots are known as phase diagrams. For instance, in the phase diagram for water (Figure 1), the solid curve boundaries between the phases indicate phase transitions (i.e., temperatures and pressures at which the phases coexist).
6.1K
Phase Transitions: Vaporization and Condensation02:39

Phase Transitions: Vaporization and Condensation

19.0K
The physical form of a substance changes on changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. Vaporization occurs when the thermal motion of the molecules overcome the intermolecular forces, and the molecules (at the surface) escape into the gaseous state. When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase...
19.0K
Phase Transitions: Melting and Freezing02:39

Phase Transitions: Melting and Freezing

13.4K
Heating a crystalline solid increases the average energy of its atoms, molecules, or ions, and the solid gets hotter. At some point, the added energy becomes large enough to partially overcome the forces holding the molecules or ions of the solid in their fixed positions, and the solid begins the process of transitioning to the liquid state or melting. At this point, the temperature of the solid stops rising, despite the continual input of heat, and it remains constant until all of the solid is...
13.4K
Phase Changes01:19

Phase Changes

4.5K
Phase transitions play an important theoretical and practical role in the study of heat flow. In melting or fusion, a solid turns into a liquid; the opposite process is freezing. In evaporation, a liquid turns into a gas; the opposite process is condensation.
A substance melts or freezes at a temperature called its melting point and boils or condenses at its boiling point. These temperatures depend on pressure. High pressure favors the denser form of the substance, so typically, high pressure...
4.5K

You might also read

Related Articles

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

Sort by
Same author

Phase-Transition-Induced Fluorescence Changes in a Calamitic Liquid Crystal With an AIEgen Mesogen.

Chemistry, an Asian journal·2026
Same author

Push-Pull Biphenyl Liquid Crystals Enabling Low-Voltage-Driven Light-Emitting Devices.

Chemistry, an Asian journal·2026
Same author

Electrostrictive Structural Transitions and Tensorial Electro-Optics in Mesomorphic Blue Phase Crystals.

ACS nano·2025
Same author

Morphology and Alignment Transition of Hexabenzocoronene (HBC) Mesogen Films by Bar Coating: Effect of Coating Speed.

Langmuir : the ACS journal of surfaces and colloids·2024
Same author

Saccharide formation by sustainable formose reaction using heterogeneous zeolite catalysts.

Dalton transactions (Cambridge, England : 2003)·2024
Same author

Construction of an autocatalytic reaction cycle in neutral medium for synthesis of life-sustaining sugars.

Chemical science·2023

Related Experiment Video

Updated: Sep 22, 2025

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

6.5K

Visualizing Invisible Phase Transitions in Blue Phase Liquid Crystals Using Early Warning Indicators.

Takayuki Matsui1, Tadayoshi Matsumori1, Yuji Ito1

  • 1Toyota Central R&D Labs., Inc, 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan.

Small (Weinheim an Der Bergstrasse, Germany)
|May 19, 2022
PubMed
Summary
This summary is machine-generated.

This study visualizes invisible phase transitions in blue phase liquid crystals (BPLC) using early warning signals. The method analyzes statistical data changes, enabling mapping of critical transitions in materials science.

Keywords:
blue phase liquid crystalscritical transitionsearly warningmartensitic transitionsskewness mapping

More Related Videos

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers
12:37

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers

Published on: September 4, 2015

12.5K
Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
06:26

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets

Published on: May 15, 2017

7.2K

Related Experiment Videos

Last Updated: Sep 22, 2025

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

6.5K
Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers
12:37

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers

Published on: September 4, 2015

12.5K
Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
06:26

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets

Published on: May 15, 2017

7.2K

Area of Science:

  • Materials Science
  • Soft Matter Physics
  • Statistical Mechanics

Background:

  • Critical transitions in systems are often preceded by changes in statistical properties, serving as early warning signals.
  • The application of these early warning signals to materials science, particularly for phase transitions, remains limited despite their fundamental importance.

Purpose of the Study:

  • To apply critical transition analysis to time-series data from blue phase liquid crystals (BPLC).
  • To demonstrate the visualization of phase transitions, even those undetectable under ambient conditions, using early warning indicators.

Main Methods:

  • Analysis of time-series data from a microscopic 3D ordered soft material (BPLC).
  • Application of Landau-de Gennes free energy potential to predict statistical property changes during phase transitions.
  • Experimental observation and analysis of phase transitions in BPLC.

Main Results:

  • Phase transitions in BPLC were successfully visualized using early warning indicators.
  • The skewness of the intensity distribution was observed to invert its sign at phase transitions.
  • Temporally and spatially resolved mapping of phase transitions was achieved.

Conclusions:

  • Early warning signal analysis provides a powerful tool for studying critical transitions in materials science.
  • This approach can visualize phase transitions invisible under ambient conditions.
  • The method is adaptable to various material systems and microscopy techniques.