Machine-learning-pontentials trained upon ab initio molecular dynamics datasets are used to carry out molecular dynamics simulations of diffusion in bulk and on surfaces, nucleation, interaction with environmental gases, phase segregation, phase transitions, mechanical behavior of defect free and defective crystals, and electronic properties of ceramics and intermetallics. All theoretical preditions are subject to experimental validation.
We have recruited a new PhD strudent (Carlos Salazar), a new Master Student (Adrian Kjellen) and we are recruiting two new PhD students who will start during fall 2024 to work on the proposed projects.
Using NAISS resources (acknowledged), during 2022-present we published 27 papers in high-quality journals including Science Advances (2023), Nature Communications (2023), npj Computational Materials (2024), Nature Synthesis (2024). The availability of NAISS resources has been fundamental for our publications. Below we attach only a list only for papers published in 2023-2024 (22 papers). The full list of publications and academic achievements can be found in the report.
1. H. Levämäki, F. Bock, D.G. Sangiovanni, L.J.S. Johnson, F. Tasnádi, R. Armiento, I.A. Abrikosov
HADB: A materials-property database for hard-coating alloys
Thin Solid Films 766, 139627 (2023)
2. J. Salamania, K.M. Calamba Kwick, D.G. Sangiovanni, F. Tasnádi, I.A. Abrikosov, L. Rogström, L.J.S. Johnson, M. Odén
High-resolution STEM investigation of the role of dislocations during decomposition of Ti1–xAlxNy
Scripta Materialia 229, 115366 (2023).
3. D.G. Sangiovanni, R. Faccio, G.K. Gueorguiev, A. Kakanakova-Georgieva
Discovering atomistic pathways for supply of metal atoms from methyl-based precursors to graphene surface
Physical Chemistry Chemical Physics 25, 829 (2023) [Errata: 10.1039/D3CP90046K]
4. T. Leiner, N. Koutná, J. Janovec, M. Zelený, P.H. Mayrhofer, D. Holec
On energetics of allotrope transformations in transition-metal diborides via plane-by-plane shearing
Vacuum 215, 112329 (2023)
5. E. Ekström, S. Hurand, A. le Febvrier, A. Elsukova, P.O.Å. Persson, B. Paul, F. Eriksson, G. Sharma, O. Voznyy, D.G. Sangiovanni, G. Ramanath, P. Eklund
Microstructure control, property switching in stress-free van der Waals epitaxial VO2 films on mica
Materials & Design 229, 111864 (2023)
6. G. Ramanath, C. Rowe, G. Sharma, V. Venkataramani, J. Alauzun, R. Sundararaman, P. Keblinski, D.G. Sangiovanni, P. Eklund, H. Pedersen
Engineering Inorganic Interfaces Using Molecular Nanolayers
Applied Physics Letters (accepted, 2023) [Featured Article]
7. T. Fiantok, N. Koutná, D.G. Sangiovanni, M. Mikula
Ceramic transition metal diboride superlattices with improved ductility and fracture toughness screened by ab initio calculations
Scientific Reports 13, 12835 (2023)
8. O.V. Pshyk, X. Li, I. Petrov, D.G. Sangiovanni, J. Palisaitis, L. Hultman, G. Greczynski
Discovery of Guinier-Preston zone hardening in refractory nitride ceramics
Acta Materialia 255, 119105 (2023)
9. D.G. Sangiovanni, A. Kraych, M. Mrovec, J. Salamania, M. Odén, F. Tasnádi, I.A. Abrikosov
Descriptor for slip-induced crack blunting in refractory ceramics
Physical Review Materials 7, 103601 (2023)
10. D.G. Sangiovanni, K. Kaufmann, K. Vecchio
Valence electron concentration as key parameter to control the fracture resistance of refractory high-entropy carbides
Science Advances 9, eadi2960 (2023)
11. Z. Chen, Y. Huang, N. Koutná, Z. Gao, D.G. Sangiovanni, S. Fellner, G. Haberfehlner, S. Jin, P. Mayrhofer, G. Kothleitner, Z. Zhang
Achieving excellent mechanical properties in ceramics through vacancy-mediated unit cell disturbances
Nature Communications 14, 8387 (2023)
12. M. Vidiš, T. Fiantok, M. Gocník, P. Švec Jr., Š. Nagy, M. Truchlý, V. Izai, T. Roch, L. Satrapinskyy, V. Šroba, M. Meindlhumer, B. Grančič, P. Kúš, J. Keckes, M. Mikula
Hardness and fracture toughness enhancement in transition metal diboride multilayer films with structural variations
Materialia 34, 102070 (2024)
13. B. Schmid, N. Koutná, E. Ntemou, D. Primetzhofer, S. Kolozsvari, P. H. Mayrhofer
Mechanical Properties of VC/ZrC and VC/HfC Superlattices
Acta Materialia 270, 119852 (2024)
14. R. Janknecht, R. Hahn, N. Koutná, T. Wójcik, E. Ntemou, A. Kirnbauer, P. Polcik, S. Kolozsvári, D. Primetzhofer, P.H. Mayrhofer
A Strategy to Enhance the B-Solubility and Mechanical Properties of Ti–B–N Thin Films
Acta Materialia 271, 119858 (2024)
15. C. Hu, S. Lin, M. Podsednik, S. Mráz, T. Wójcik, A. Limbeck, N. Koutná, P. H. Mayrhofer
Influence of co-sputtering AlB2 to TaB2 on stoichiometry of non-reactively sputtered boride thin films
Materials Research Letters 12, 561 (2024)
16. M. Zarshenas, D.G. Sangiovanni, K. Sarakinos
Diffusion and magnetization of metal adatoms on single-layer molybdenum disulfide at elevated temperatures
Journal of Vacuum Science & Technology A 42, 023409 (2024)
17. J. Yue, Y. Liu, W. Ren, S. Lin, C. Shen, H. K. Singh, T. Cui, T. Tadano, H. Zhang
Role of atypical temperature-responsive lattice thermal transport on the thermoelectric properties of antiperovskites Mg3XN (X= P, As, Sb, Bi)
Materials Today Physics 41, 101340 (2024)
18. T. Stasiak, S. Debnárová, S. Lin, N. Koutná, Z. Czigány, K. Balázsi, V. Buršíková, P. Vašina, P. Souček
Synthesis and characterization of ceramic high entropy carbide thin films from the Cr-Hf-Mo-Ta-W refractory metal system
Surface and Coatings Technology 485, 130839 (2024)
19. S. Lin, L. Casillas-Trujillo, F. Tasnádi, L. Hultman, P.H. Mayrhofer, D.G. Sangiovanni, N. Koutná
Machine-learning potentials for nanoscale simulations of tensile deformation and fracture in ceramics
npj Computational Materials 10, 67 (2024)
20. S. Kashiwaya, Y. Shi, J. Lu, D.G. Sangiovanni, G. Greczynski, M. Magnuson, M. Andersson, J. Rosen, L. Hultman
Synthesis of goldene comprising single-atom layer gold
Nature Synthesis (2024) https://doi.org/10.1038/s44160-024-00518-4 (2024)
21. N. Koutná, L. Hultman, P.H. Mayrhofer, D.G. Sangiovanni
Phase stability and mechanical property trends for MAB phases by high-throughput ab initio calculations
Materials & Design 241, 112959 (2024)
22. D.G. Sangiovanni, C. Rowe, G. Sharma, M. Lane, P. Eklund, G. Ramanath,
Strain hardening and toughening in metal/molecular nanolayer/metal nanosandwiches
Applied Physics Letters (in press) (2024)