scholarly journals Lattice thermal conductivities of two SiO2 polymorphs by first-principles calculations and the phonon Boltzmann transport equation

2018 ◽  
Vol 97 (22) ◽  
Author(s):  
Keiyu Mizokami ◽  
Atsushi Togo ◽  
Isao Tanaka
Keyword(s):  
Transport Equation ◽  
First Principles ◽  
Boltzmann Transport Equation ◽  
First Principles Calculations ◽  
Boltzmann Transport ◽  
Sio2 Polymorphs ◽  
Thermal Conductivities

scholarly journals High thermoelectric performance of the distorted bismuth(110) layer

2016 ◽  
Vol 18 (26) ◽  
pp. 17373-17379 ◽  
Author(s):  
L. Cheng ◽  
H. J. Liu ◽  
J. Zhang ◽  
J. Wei ◽  
J. H. Liang ◽  
...  
Keyword(s):  
Transport Equation ◽  
Thermoelectric Properties ◽  
First Principles ◽  
Boltzmann Transport Equation ◽  
Thermoelectric Performance ◽  
First Principles Calculations ◽  
Boltzmann Transport

The thermoelectric properties of the distorted bismuth(110) layer are investigated using first-principles calculations combined with the Boltzmann transport equation for both electrons and phonons.

High thermoelectric performance in two-dimensional graphyne sheets predicted by first-principles calculations

2015 ◽  
Vol 17 (35) ◽  
pp. 22872-22881 ◽  
Author(s):  
Xiaojian Tan ◽  
Hezhu Shao ◽  
Tianqi Hu ◽  
Guoqiang Liu ◽  
Jun Jiang ◽  
...  
Keyword(s):  
Transport Equation ◽  
Thermoelectric Properties ◽  
First Principles ◽  
Boltzmann Transport Equation ◽  
Equation Method ◽  
Thermoelectric Performance ◽  
Two Dimensional ◽  
First Principles Calculations ◽  
Boltzmann Transport

The thermoelectric properties of two-dimensional graphyne sheets are investigated by using first-principles calculations and the Boltzmann transport equation method.

Disparate strain response of the thermal transport properties of bilayer penta-graphene as compared to that of monolayer penta-graphene

2019 ◽  
Vol 21 (28) ◽  
pp. 15647-15655 ◽  
Author(s):  
Zhehao Sun ◽  
Kunpeng Yuan ◽  
Xiaoliang Zhang ◽  
Guangzhao Qin ◽  
Xiaojing Gong ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Transport Equation ◽  
First Principles ◽  
Room Temperature ◽  
Lattice Thermal Conductivity ◽  
Boltzmann Transport Equation ◽  
Strain Response ◽  
First Principles Calculations ◽  
Boltzmann Transport ◽  
Strain Modulation

In this study, strain modulation of the lattice thermal conductivity of monolayer and bilayer penta-graphene (PG) at room temperature was investigated using first-principles calculations combined with the phonon Boltzmann transport equation.

Ultra-low thermal conductivity and high thermoelectric performance of two-dimensional triphosphides (InP3, GaP3, SbP3 and SnP3): a comprehensive first-principles study

Nanoscale ◽  
2020 ◽  
Vol 12 (5) ◽  
pp. 3330-3342 ◽  
Author(s):  
Zhehao Sun ◽  
Kunpeng Yuan ◽  
Zheng Chang ◽  
Shipeng Bi ◽  
Xiaoliang Zhang ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Transport Equation ◽  
Thermoelectric Properties ◽  
First Principles ◽  
Boltzmann Transport Equation ◽  
Two Dimensional ◽  
First Principles Calculations ◽  
Boltzmann Transport ◽  
Low Thermal Conductivity ◽  
Comprehensive Study

By performing first-principles calculations combined with the Boltzmann transport equation, we report a comprehensive study of the thermal and thermoelectric properties of monolayer triphosphides InP3, GaP3, SbP3 and SnP3.

scholarly journals Significant enhancement of the thermoelectric properties of CaP3 through reducing the dimensionality

2020 ◽  
Vol 1 (9) ◽  
pp. 3322-3332
Author(s):  
Xue-Liang Zhu ◽  
Peng-Fei Liu ◽  
Yi-Yuan Wu ◽  
Ping Zhang ◽  
Guofeng Xie ◽  
...  
Keyword(s):  
Transport Equation ◽  
Thermoelectric Properties ◽  
First Principles ◽  
Boltzmann Transport Equation ◽  
Three Dimensional ◽  
Significant Enhancement ◽  
Two Dimensional ◽  
First Principles Calculations ◽  
Boltzmann Transport

Through first-principles calculations and using the Boltzmann transport equation, we explore the thermoelectric (TE) properties of CaP3 from the three-dimensional (3D) bulk form to a two-dimensional (2D) monolayer and find that the TE properties are greatly enhanced by reducing the dimensionality.

Hybrid functional calculations of electronic and thermoelectric properties of GaS, GaSe, and GaTe monolayers

2018 ◽  
Vol 20 (45) ◽  
pp. 28575-28582 ◽  
Author(s):  
Bhagwati Prasad Bahuguna ◽  
L. K. Saini ◽  
Rajesh O. Sharma ◽  
Brajesh Tiwari
Keyword(s):  
Density Functional Theory ◽  
Transport Equation ◽  
Thermoelectric Properties ◽  
First Principles ◽  
Density Functional ◽  
Boltzmann Transport Equation ◽  
Boltzmann Transport ◽  
Hybrid Functional ◽  
Functional Theory

We have investigated the structural, electronic and thermoelectric properties of GaS, GaSe and GaTe monolayers based on the first-principles approach by using density functional theory and the semi-classical Boltzmann transport equation.

scholarly journals Ultralow and anisotropic thermal conductivity in semiconductor As2Se3

2018 ◽  
Vol 20 (3) ◽  
pp. 1809-1816 ◽  
Author(s):  
Robert L. González-Romero ◽  
Alex Antonelli ◽  
Anderson S. Chaves ◽  
Juan J. Meléndez
Keyword(s):  
Thermal Conductivity ◽  
Density Functional Theory ◽  
First Principles ◽  
Density Functional ◽  
Lattice Thermal Conductivity ◽  
Boltzmann Transport Equation ◽  
First Principles Calculations ◽  
Boltzmann Transport ◽  
Functional Theory ◽  
Anisotropic Thermal Conductivity

An ultralow lattice thermal conductivity of 0.14 W m−1 K−1 along the b⃑ axis of As2Se3 single crystals was obtained at 300 K by first-principles calculations involving density functional theory and the resolution of the Boltzmann transport equation.

Strain engineering of phonon thermal transport properties in monolayer 2H-MoTe2

2017 ◽  
Vol 19 (47) ◽  
pp. 32072-32078 ◽  
Author(s):  
Aamir Shafique ◽  
Young-Han Shin
Keyword(s):  
Thermal Conductivity ◽  
First Principles ◽  
Lattice Thermal Conductivity ◽  
Boltzmann Transport Equation ◽  
Strain Engineering ◽  
First Principles Calculations ◽  
Boltzmann Transport ◽  
Phonon Group Velocity ◽  
Phonon Lifetime ◽  
Phonon Properties

The effect of strain on the phonon properties such as phonon group velocity, phonon anharmonicity, phonon lifetime, and lattice thermal conductivity of monolayer 2H-MoTe2is studied by solving the Boltzmann transport equation based on first principles calculations.

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