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

You might also read

Related Articles

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

Sort by
Same author

Moisture-stable Mg<sub>3</sub>(Bi, Sb)<sub>2</sub> thermoelectrics enabled by anodic protection.

National science review·2026
Same author

Composable neural emulators accelerate thermoelectric generator design.

Nature·2026
Same author

Orbital-selective band engineering realizes high zT in p-type Ru<sub>2</sub>Ti<sub>1-x</sub>Hf<sub>x</sub>Si full-Heusler thermoelectrics.

Nature communications·2026
Same author

Phase-controlled molecular beam deposition unlocks flexible MgAgSb thermoelectrics with exceptional performance.

Nature communications·2026
Same author

Toward a Consensus Characterization Protocol for Organic Thermoelectrics.

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

High Power Density for All-Fe<sub>2</sub>VAl-based Thermoelectric Module by Enhancing the Power Factor of p-type Leg Through Defect-Engineering and Wetting Effect.

Small methods·2026

Related Experiment Video

Updated: Jun 17, 2025

Demonstrating the Simplicity and In Situ Temperature Monitoring of the Mechanochemical Synthesis of Metal Chalcogenides Suitable for Thermoelectrics
04:09

Demonstrating the Simplicity and In Situ Temperature Monitoring of the Mechanochemical Synthesis of Metal Chalcogenides Suitable for Thermoelectrics

Published on: August 30, 2024

327

High-performance Mg3Sb2-based thermoelectrics with reduced structural disorder and microstructure evolution.

Longquan Wang1,2, Wenhao Zhang1, Song Yi Back1

  • 1Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Japan.

Nature Communications
|August 9, 2024
PubMed
Summary
This summary is machine-generated.

Indium doping and extended sintering optimize Mg3Sb2 thermoelectrics by reducing defects. This enhances thermoelectric performance, achieving a high figure of merit (zT) for efficient power generation and cooling applications.

More Related Videos

Author Spotlight: Advancements in High-Performance Thermoelectric Thin Films Through Radio Frequency Magnetron Sputtering
04:22

Author Spotlight: Advancements in High-Performance Thermoelectric Thin Films Through Radio Frequency Magnetron Sputtering

Published on: May 17, 2024

2.7K
Author Spotlight: Advancing Energy Solutions Using Nanocomposites as Processed Thermoelectric Materials
09:23

Author Spotlight: Advancing Energy Solutions Using Nanocomposites as Processed Thermoelectric Materials

Published on: May 17, 2024

1.5K

Related Experiment Videos

Last Updated: Jun 17, 2025

Demonstrating the Simplicity and In Situ Temperature Monitoring of the Mechanochemical Synthesis of Metal Chalcogenides Suitable for Thermoelectrics
04:09

Demonstrating the Simplicity and In Situ Temperature Monitoring of the Mechanochemical Synthesis of Metal Chalcogenides Suitable for Thermoelectrics

Published on: August 30, 2024

327
Author Spotlight: Advancements in High-Performance Thermoelectric Thin Films Through Radio Frequency Magnetron Sputtering
04:22

Author Spotlight: Advancements in High-Performance Thermoelectric Thin Films Through Radio Frequency Magnetron Sputtering

Published on: May 17, 2024

2.7K
Author Spotlight: Advancing Energy Solutions Using Nanocomposites as Processed Thermoelectric Materials
09:23

Author Spotlight: Advancing Energy Solutions Using Nanocomposites as Processed Thermoelectric Materials

Published on: May 17, 2024

1.5K

Area of Science:

  • Materials Science
  • Solid State Physics
  • Thermoelectrics

Background:

  • Magnesium antimonide (Mg3Sb2)-based materials are promising for thermoelectric devices due to their earth-abundant elements and high figure of merit (zT).
  • The performance of Mg3Sb2 is currently limited by complex defect microstructures that hinder optimal electron and phonon transport.

Purpose of the Study:

  • To improve the thermoelectric performance of Mg3Sb2 materials by modifying their defect microstructure.
  • To investigate the effects of Indium (In) doping and prolonged sintering on structural disorder and microstructural evolution.
  • To synergistically optimize electron and phonon transport through a delocalization effect.

Main Methods:

  • Mg3Sb2 materials were doped with Indium (In).
  • Samples underwent prolonged sintering processes.
  • Microstructure, carrier mobility, thermal conductivity, and thermoelectric figure of merit (zT) were analyzed.

Main Results:

  • Reduced structural disorder and controlled microstructural evolution were achieved.
  • An excellent carrier mobility of ~174 cm^2 V^-1 s^-1 and an ultralow thermal conductivity of ~0.42 W m^-1 K^-1 were obtained.
  • An ultrahigh figure of merit (zT) of ~2.0 at 723 K was realized, with single-leg and two-pair modules showing high conversion efficiencies of 12.6% and 7.1%, respectively.

Conclusions:

  • The study demonstrates a successful strategy to enhance Mg3Sb2 thermoelectric performance via In doping and optimized sintering.
  • The achieved results represent a significant advancement for the practical application of Mg3Sb2-based thermoelectric generators and coolers.