ArticleNature communications2023
Strong charge carrier scattering at grain boundaries of PbTe caused by the collapse of metavalent bonding.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Coordinated Electronic-Transport Regulation and Multiscale Phonon Scattering in Sb-La Co-Doped GeTe.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Stabilizing sub-nanoporous zinc metal-organic frameworks in SnTe thermoelectrics for high-temperature power generation.Chemical science · 2026Article
- High-Temperature-Resistant Mid-Infrared Capability for Extreme Energy Systems.Nano-micro letters · 2026Review
- Enhanced electrical conductivity at FeScience advances · 2026Article
- Structure and composition of grain boundaries and their impact on functional properties of energy materials.MRS bulletin · 2026Review
- Leveraging carrier mobility enables high-performance MgNational science review · 2026Article
- Stabilization of high-performance rock-salt LiMnSbTeNature communications · 2025Article
- Temporal Sculpting of Laser Pulses for Functional Engineering of AlSensors (Basel, Switzerland) · 2025Article
- Intensive Widmannstätten Nanoprecipitates Catalyze SnTe With State-of-the-Art Thermoelectric Performance.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Advances in Flexible Thermoelectric Materials and Devices Fabricated by Magnetron Sputtering.Small science · 2025Article
- Improved Charge Carrier Transport Across Grain Boundaries in N-type PbSe by Dopant Segregation.Small science · 2025Article
- Article
- Atom Probe Tomography: a Local Probe for Chemical Bonds in Solids.Advanced materials (Deerfield Beach, Fla.) · 2024Review
- Interplay between metavalent bonds and dopant orbitals enables the design of SnTe thermoelectrics.Nature communications · 2024Article
- Metavalently bonded tellurides: the essence of improved thermoelectric performance in elemental Te.Nature communications · 2024Article
- Two-step phase manipulation by tailoring chemical bonds results in high-performance GeSe thermoelectrics.Innovation (Cambridge (Mass.)) · 2023Article
- Gibbs Adsorption and Zener Pinning Enable Mechanically Robust High-Performance BiAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Grain boundaries (GBs) play a significant role in controlling the transport of mass, heat and charge. To unravel the mechanisms underpinning the charge carrier scattering at GBs, correlative microscopy combined with local transport measurements is realized. For the PbTe material, the strength of carrier scattering at GBs depends on its misorientation angle. A concomitant change in the barrier height is observed, significantly increasing from low- to high-angle GBs. Atom probe tomography measurements reveal a disruption of metavalent bonding (MVB) at the dislocation cores of low-angle GBs, as evidenced by the abrupt change in bond-rupture behavior. In contrast, MVB is completely destroyed at high-angle GBs, presumably due to the increased Peierls distortion. The collapse of MVB is accompanied by a breakdown of the dielectric screening, which explains the enlarged GB barrier height. These findings correlate charge carrier scattering with bonding locally, promising new avenues for the design of advanced functional materials.
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Registered trials
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