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

Mechanism of heat transfer01:19

Mechanism of heat transfer

2.1K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
2.1K
Ferromagnetism01:31

Ferromagnetism

3.3K
Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...
3.3K
Thermosensation01:43

Thermosensation

34.2K
Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
34.2K
Mechanisms of Heat Transfer01:14

Mechanisms of Heat Transfer

1.9K
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
1.9K
Thermal Sigmatropic Reactions: Overview01:16

Thermal Sigmatropic Reactions: Overview

2.6K
Sigmatropic rearrangements are a class of pericyclic reactions in which a σ bond migrates from one part of a π system to another. These are intramolecular rearrangements where the total number of σ and π bonds remain unchanged.
Sigmatropic shifts are classified based on an order term [i, j ], where i and j indicate the number of atoms across which each end of the σ bond migrates. Below are examples of a [3,3] sigmatropic shift in 1,5-hexadiene, referred...
2.6K
Mechanisms of Heat Transfer II01:20

Mechanisms of Heat Transfer II

4.9K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
4.9K

You might also read

Related Articles

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

Sort by
Same author

Moiré-Engineering-Induced Counteractive Control of Thermal and Electrical Transport in MoSe<sub>2</sub>/WSe<sub>2</sub> Heterostructure.

ACS applied materials & interfaces·2025
Same author

Orientation of graphene nanosheets in suspension under an electric field: theoretical model and molecular dynamic simulations.

Journal of physics. Condensed matter : an Institute of Physics journal·2024
Same author

Graph attention neural networks for mapping materials and molecules beyond short-range interatomic correlations.

Journal of physics. Condensed matter : an Institute of Physics journal·2024
Same author

Pulsed thermoreflectance imaging for thermophysical properties measurement of GaN epitaxial heterostructures.

The Review of scientific instruments·2023
Same author

Unraveling Thermal Transport Correlated with Atomistic Structures in Amorphous Gallium Oxide via Machine Learning Combined with Experiments.

Advanced materials (Deerfield Beach, Fla.)·2023
Same author

Thermal Interface Materials with High Thermal Conductivity and Low Young's Modulus Using a Solid-Liquid Metal Codoping Strategy.

ACS applied materials & interfaces·2023

Related Experiment Video

Updated: Mar 7, 2026

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
10:52

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing

Published on: March 8, 2020

6.2K

A Magnetically Responsive Flexible Thermal Switch for Reversible Thermal Regulation.

Yuxia Dong1, Xudong Zhang2,3, Bin Li1

  • 1Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China.

ACS Applied Materials & Interfaces
|March 6, 2026
PubMed
Summary

Researchers developed a flexible thermal switch using magnetic liquid metal and graphene. This device dynamically controls heat flow, crucial for smart thermal management in flexible electronics.

Keywords:
flexible thermal switchhigh switching ratioliquid metalreversible thermal regulationsmart thermal management

More Related Videos

Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release
08:39

Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release

Published on: July 4, 2017

9.5K
Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
09:11

Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

Published on: February 13, 2016

10.4K

Related Experiment Videos

Last Updated: Mar 7, 2026

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
10:52

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing

Published on: March 8, 2020

6.2K
Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release
08:39

Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release

Published on: July 4, 2017

9.5K
Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
09:11

Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

Published on: February 13, 2016

10.4K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Thermal Engineering

Background:

  • Dynamic thermal conductivity regulation is essential for efficient energy conservation and smart thermal management.
  • Flexible and continuous thermal switches are critical for advanced thermal regulation but remain a significant challenge.

Purpose of the Study:

  • To develop a novel magnetically responsive flexible thermal switch.
  • To investigate its thermal switching capabilities and temperature regulation performance.

Main Methods:

  • Fabrication of a flexible thermal switch using magnetic liquid metal, graphene films, and polydimethylsiloxane.
  • Characterization of its thermal conductivity variation under magnetic response.
  • Evaluation of its performance in reducing temperature differences and deviations in electronic devices.

Main Results:

  • The flexible thermal switch demonstrated reversible thermal conductivity variation from 0.261 to 3.426 W·m⁻¹·K⁻¹, achieving a thermal switching ratio of 13.1.
  • It reduced the temperature difference between a device and its environment by approximately 57.9% in the 'on' state.
  • The switch effectively lowered the temperature deviation in a foldable smartphone heat source by 10.2%.

Conclusions:

  • The developed magnetic flexible thermal switch offers dynamic and continuous thermal conductivity control.
  • It shows significant potential for smart thermal management in diverse applications, including curved and wearable devices.
  • This technology opens new avenues for thermal solutions in soft robotics and foldable electronics.