Harnessing Halogen‐Induced Anharmonic Effect to Achieve Low Lattice Thermal Conductivity in High‐Symmetry Cu2SnS3 for High‐Performance Thermoelectric Applications
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202501535
Abstract: While possessing outstanding electrical properties, suppressing the lattice thermal conductivity (κlat) is of great significance for achieving excellent thermoelectric materials. Here, based on optimizing electrical transport by transforming monoclinic Cu2SnS3 into a cubic phase, Halogen… read more here.
Keywords: halogen; lattice thermal; symmetry; performance ... See more keywords
Ultralow Lattice Thermal Conductivity and Superhigh Thermoelectric Figure-of-Merit in (Mg, Bi) Co-Doped GeTe.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202008773
Abstract: High-efficiency thermoelectric (TE) technology is determined by the performance of TE materials. Doping is a routine approach in TEs to achieve optimized electrical properties and lowered thermal conductivity. However, how to choose appropriate dopants with… read more here.
Keywords: figure merit; lattice thermal; thermal conductivity; conductivity ... See more keywords
Predicting the Lattice Thermal Conductivity in Nitride Perovskite LaWN3 from ab initio Lattice Dynamics
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Science"
DOI: 10.1002/advs.202205934
Abstract: Using a density functional theory‐based thermal transport model, which includes the effects of temperature (T)‐dependent potential energy surface, lattice thermal expansion, force constant renormalization, and higher‐order quartic phonon scattering processes, it is found that the… read more here.
Keywords: lattice thermal; perovskite lawn3; nitride perovskite; thermal conductivity ... See more keywords
Lattice‐Distortion‐Driven Reduced Lattice Thermal Conductivity in High‐Entropy Ceramics
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DOI: 10.1002/advs.202501157
Abstract: Lattice distortion and mass fluctuation are two long‐believed potential mechanisms for the reduced lattice thermal conductivity in high‐entropy ceramics (HECs). However, related studies remain unclear. Taking high‐entropy diborides (HEBs) as the prototype, the lattice‐distortion‐driven reduced… read more here.
Keywords: lattice distortion; thermal conductivity; lattice thermal;
Low Energy Shear Vibrations of Sb2 Bilayer Driving Ultralow Lattice Thermal Conductivity in Homologous (Sb2)m(Sb2Te3)n
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202500688
Abstract: Achieving ultralow lattice thermal conductivity (κL) in topological quantum materials with understanding of its origin poses a formidable challenge in material design. Members of the (Sb2)m(Sb2Te3)n (m, n: integers) homologous series, Sb2Te3, SbTe, Sb2Te, and… read more here.
Keywords: energy; lattice thermal; thermal conductivity; ultralow lattice ... See more keywords
Breaking the Minimum Limit of Thermal Conductivity of Mg3 Sb2 Thermoelectric Mediated by Chemical Alloying Induced Lattice Instability.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202301382
Abstract: Thermal properties strongly affect the applications of functional materials, such as thermal management, thermal barrier coatings, and thermoelectrics. Thermoelectric (TE) materials must have a low lattice thermal conductivity to maintain a temperature gradient to generate… read more here.
Keywords: lattice thermal; sb2; instability; thermal conductivity ... See more keywords
Achieving Ultralow Lattice Thermal Conductivity and High Thermoelectric Performance in Bi2Te2.7Se0.3 Alloys via Introducing Organic & Inorganic Nanoparticles.
Sign Up to like & getrecommendations! Published in 2025 at "Small"
DOI: 10.1002/smll.202406695
Abstract: N-type Bi2Te2.7Se0.3(BTS) is a state-of-the-art thermoelectric material owing to its excellent thermoelectric properties near room temperatures for commercial applications. However, its performance is restricted by its comparatively low figure of merit ZT. Here, it is… read more here.
Keywords: lattice thermal; performance; thermal conductivity; organic inorganic ... See more keywords
Ultralow Lattice Thermal Conductivity and High ZT Beyond 1 Realized in Bi2S3 Nanocomposites via Bottom-Up Structure Design.
Sign Up to like & getrecommendations! Published in 2024 at "Small"
DOI: 10.1002/smll.202409618
Abstract: Bismuth sulfides (Bi2S3), an n-type thermoelectric material, in expensive, and environmentally friendly. However, it has poor electrical conductivity due to its low electron concentration, and its thermoelectric properties need improvement. By adjusting the properties of… read more here.
Keywords: bottom structure; bi2s3; structure; lattice thermal ... See more keywords
Carrier concentration effect and other structure-related parameters on lattice thermal conductivity of Si nanowires
Sign Up to like & getrecommendations! Published in 2017 at "Bulletin of Materials Science"
DOI: 10.1007/s12034-017-1393-1
Abstract: Lattice thermal conductivity (LTC) of Si bulk and nanowires (NWs) with diameter 22, 37, 50, 56, 98 and 115 nm was investigated in the temperature range 3–300 K using a modified Callaway model that contains both… read more here.
Keywords: lattice thermal; density; effect; thermal conductivity ... See more keywords
Highly sensitive tuning of lattice thermal conductivity of graphene-like borophene by fluorination and chlorination
Sign Up to like & getrecommendations! Published in 2020 at "Nano Research"
DOI: 10.1007/s12274-020-2767-z
Abstract: Boron-based 2D materials are of current interest. However, graphene-like geometry is unstable for B due to the electron deficiency, which can be stabilized by introducing H, F and Cl. Here, using density functional theory combined… read more here.
Keywords: thermal conductivity; graphene like; fluorination chlorination; lattice thermal ... See more keywords
Effect of Ga alloying on thermoelectric properties of InSb
Sign Up to like & getrecommendations! Published in 2018 at "Current Applied Physics"
DOI: 10.1016/j.cap.2018.04.018
Abstract: Abstract As a potential thermoelectric (TE) material, the high lattice thermal conductivity and relatively low weighted mobility severely limit TE property optimization of InSb binary compound. In this paper, we substituted In of InSb with… read more here.
Keywords: thermal conductivity; conductivity; lattice thermal; effect alloying ... See more keywords