Questions tagged [lattice-thermal-conductivity]
Questions about or related to lattice thermal conductivity.
4
questions
2
votes
0
answers
40
views
Thermal conductivity of cylindrical Si nanowire is lower than expected
I am trying to recreate the results from this paper. Specifically, the nanowire I am testing is cylindrical with a cross-sectional area of 24 nm2 and a length of 10 nm. I am expecting a thermal ...
6
votes
1
answer
529
views
How to do simulation when two atoms exist in the same coordinate position in the lattice?
I found that there is a type of substance in which two atoms exist in the same coordinate position in the lattice, for example, FeF3(H2O)3, here is its crystal ...
- 1,977
5
votes
0
answers
55
views
How to derive specific heat of a crystalline material from phonon density of states? [closed]
I have done a simulation of a crystalline material using DFT and have extracted its normal modes and its phonon density of states.
Does anyone have an algorithm/code or a detailed resource that can ...
- 1,402
6
votes
1
answer
245
views
Lattice Thermal conductivity calculation error
I have been trying to calculate Lattice Thermal Conductivity on my system using QuantumEspresso. I used phonopy and phono3py.
I was successful to run these codes on Si system for practice. Now when I ...
- 1,127