N2, H2O, CO2 catalysis on surfaces
Title: |
N2, H2O, CO2 catalysis on surfaces |
DNr: |
SNIC 2020/5-445 |
Project Type: |
SNIC Medium Compute |
Principal Investigator: |
Davide Sangiovanni <davide.sangiovanni@liu.se> |
Affiliation: |
Linköpings universitet |
Duration: |
2020-09-01 – 2021-09-01 |
Classification: |
10304 |
Keywords: |
|
Abstract
We use density-fucntional molecular dynamics and DFT to investigate reaction pathways, determine reaction rates and identify associated changes in electronic structure during H2O, N2, and CO2 catalytic reactions on solid surfaces at finite temperatures. For some surfaces, the spin-electronic degrees of freedom will be taken into account, thus requiring coupled MD and spin-dynamics simulations. For accurate adsorption energies, we use the ACFDT-RPA approximation, as implemented in VASP 5.4. The results of this research project, carried out in collaboration with experimentalists at LiU and industrial partners within the FunMat II consortium, will provide guidance for materials design of novel alloy catalysts with optimizes properties and performances.
During 2019-20, the PI published 12 papers in peer-reviewed journals, in which SNIC resources are acknowledged. 3 other papers are currently under review.
1. Mei, Kindlund, Broitman, Hultman, Petrov, Greene, Sangiovanni
Adaptive hard and tough mechanical response in single-crystal B1 VNx
ceramics via control of anion vacancies
Acta Materialia (2020)
2. Sangiovanni, Tasnadi, Johnson, Oden, Abrikosov
Strength, transformation toughening, and fracture dynamics of rocksalt-structure Ti1−xAlxN (0<x<0.75) alloys
Physical Review Materials (2020)
3. Smirnova , Starikov, Díaz Leines, Liang, Wang, Popov, Abrikosov, Sangiovanni, Drautz, Mrovec
Atomistic description of self-diffusion in molybdenum:
A comparative theoretical study of non-Arrhenius behavior
Physical Review Materials (2020)
4. Mei, Miao, Wahila, Khalsa, Wang, Barone, Schreiber, Noskin, Paik, Tiwald, Zheng, Haasch, Sangiovanni, Piper, Schlom
Adsorption-controlled growth and properties of epitaxial SnO films
Physical Review Materials (2019)
5. Edström, Sangiovanni, Landälv, Eklund, Greene, Petrov, Hultman, Chirita
Mechanical properties of VMoNO as a function of oxygen concentration: Toward
development of hard and tough refractory oxynitrides
Journal of Vacuum Science & Technology A (2019)
6. Sangiovanni, Klarbring, Smirnova, Skripnyak, Gambino, Mrovec, Simak, Abrikosov
Superioniclike diffusion in an elemental crystal: bcc Titanium
Physical Review Letters (2019)
7. Sangiovanni
Mass transport properties of quasiharmonic vs. anharmonic transition-metal nitrides
Thin Solid Films (2019)
8. Kindlund, Sangiovanni, Petrov, Greene, Hultman
A review of the intrinsic ductility and toughness of hard transition-metal nitride alloy thin films
Thin Solid Films (2019)
9. Edström, Sangiovanni, Hultman, Petrov, Greene, Chirita
TiN film growth on misoriented TiN grains with simultaneous low-energy bombardment: Restructuring leading to epitaxy
Thin Solid Films (2019)
10. Jamnig, Sangiovanni, Abadias, Sarakinos
Atomic-scale diffusion rates during growth of thin metal films on weakly-interacting substrates
Scientific Reports (2019)
11. Ferrari, Sangiovanni, Rogal, Drautz
First-principles characterization of reversible martensitic transformations
Physical Review B (2019)
12. Almyras, Sangiovanni, Sarakinos
Semi-empirical force-field model for the Ti1–xAlxN (0 ≤ x ≤ 1) system
Materials (2019)