scholarly journals Hierarchical thermoelectrics: crystal grain boundaries as scalable phonon scatterers

Nanoscale ◽  
2016 ◽  
Vol 8 (6) ◽  
pp. 3729-3738 ◽  
Author(s):  
Daniele Selli ◽  
Salah Eddine Boulfelfel ◽  
Philipp Schapotschnikow ◽  
Davide Donadio ◽  
Stefano Leoni
Keyword(s):  
Thermal Conductivity ◽  
Grain Boundaries ◽  
Lattice Thermal Conductivity ◽  
Thermoelectric Performance ◽  
Lead Chalcogenides ◽  
Length Scales

Grains of different length-scales, obtained by controlled compression, affect the lattice thermal conductivity of polycrystalline lead chalcogenides thus improving their thermoelectric performance.

scholarly journals The impact of tilt grain boundaries on the thermal transport in perovskite SrTiO3 layered nanostructures. A computational study

Nanoscale ◽  
2018 ◽  
Vol 10 (31) ◽  
pp. 15010-15022 ◽  
Author(s):  
Stephen R. Yeandel ◽  
Marco Molinari ◽  
Stephen C. Parker
Keyword(s):  
Thermal Conductivity ◽  
Grain Boundaries ◽  
Strontium Titanate ◽  
Thermal Transport ◽  
Lattice Thermal Conductivity ◽  
Computational Study ◽  
Thermoelectric Performance ◽  
Length Scales ◽  
Layered Nanostructures ◽  
The Impact

Stacking of interfaces at different length-scales affect the lattice thermal conductivity of strontium titanate layered nanostructures improving their thermoelectric performance.

scholarly journals A Material Catalogue with Glass-Like Thermal Conductivity Mediated by the Crystallographic Occupancy for Thermoelectric Application

2021 ◽  
Author(s):  
Zihang Liu ◽  
Wenhao Zhang ◽  
Weihong Gao ◽  
Takao Mori
Keyword(s):  
Thermal Conductivity ◽  
Lattice Thermal Conductivity ◽  
Thermoelectric Performance ◽  
Synthetic Approach ◽  
Thermoelectric Application

Discovering materials with the intrinsically low lattice thermal conductivity κlat is an important route for achieving high thermoelectric performance. In reality, the conventional synthetic approach, however, relies on trial and...

scholarly journals First-principles predictions of low lattice thermal conductivity and high thermoelectric performance of AZnSb (A = Rb, Cs)

RSC Advances ◽  
2021 ◽  
Vol 11 (25) ◽  
pp. 15486-15496
Author(s):  
Enamul Haque
Keyword(s):  
Thermal Conductivity ◽  
Debye Temperature ◽  
Layered Structure ◽  
First Principles ◽  
Lattice Thermal Conductivity ◽  
Phonon Scattering ◽  
Thermoelectric Performance

The layered structure, and presence of heavier elements Rb/Cs and Sb induce high anharmonicity, low Debye temperature, intense phonon scattering, and hence, low lattice thermal conductivity.

Enhanced thermoelectric performance in PbTe-based superlattice structures from reduction of lattice thermal conductivity

2005 ◽  
Vol 87 (2) ◽  
pp. 023105 ◽  
Author(s):  
J. C. Caylor ◽  
K. Coonley ◽  
J. Stuart ◽  
T. Colpitts ◽  
R. Venkatasubramanian
Keyword(s):  
Thermal Conductivity ◽  
Lattice Thermal Conductivity ◽  
Thermoelectric Performance ◽  
Superlattice Structures

scholarly journals Ultralow lattice thermal conductivity enables high thermoelectric performance in BaAg2Te2 alloys

2021 ◽  
pp. 100591
Author(s):  
Jing Tang ◽  
Cheng Qin ◽  
Hulei Yu ◽  
Zezhu Zeng ◽  
Lixun Cheng ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Lattice Thermal Conductivity ◽  
Thermoelectric Performance
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