Achievements

[2025]

1. N. Akutsu, Y. Kangawa, Kinetic-roughening diagrams between Kardar–Parisi–Zhang–like and Berezinskii–Kosterlitz–Thouless rough surfaces for steady crystal growth, Scientific Reports, 15, 34620 (2025).
   https://doi.org/10.1038/s41598-025-18250-0

2. M. A. Chabowska, M. A. Załuska-Kotur, Surface patterns shaped by additives in crystals, Vacuum, 240,  114431 (2025).

3. Marta A. Chabowska, Magdalena A. Załuska-Kotur, Engineering 2D surface patterns with the VicCa model, Journal of Crystal Growth, 667, 128245 (2025).
   https://doi.org/10.1016/j.jcrysgro.2025.128245

4. Vassil Ivanov, Analytical properties of Stoyanov step bunches: Solutions, scaling, stationary profiles, Physica D, 481, 134755, 2025. 
   https://doi.org/10.1016/j.physd.2025.134755

5. Pawel Strak, Pawel Kempisty, Konrad Sakowski, Jacek Piechota, Izabella Grzegory, Eva Monroy, Agata Kaminska, Stanislaw Krukowski; Spontaneous and Piezo Polarization Versus Polar Surfaces: Fundamentals and Ab Initio Calculations; Materials 18(7), 1489, 2025.
   https://doi.org/10.3390/ma18071489

6. Marta A. Chabowska, Hristina Popova, and Magdalena A. Załuska-Kotur, Step meandering: Balance between the potential well and the Ehrlich-Schwoebel barrier, Physical Review B, 111, 155401, 2025.
   https://doi.org/10.1103/PhysRevB.111.155401

7. Y. Kangawa, A. Kusaba, T. Kawamura, P. Kempisty, K. Ishisone, M. Boero, Influence of intrinsic point defects incorporated from growth surface on atomic interdiffusion and unintentional compositional gradient in AlGaN/AlN heterointerfaces, Crystal Growth & Design, 25(3), 740-746, 2025.
   https://doi.org/10.1021/acs.cgd.4c01542 

8. Takuto Miyamoto, Toru Akiyama and Takahiro Kawamura, Theoretical study on structural stability and miscibility of ScAlN alloys: effect of lattice constraint, Japanese Journal of Applied Physics, 64 (2025), 01SP03.
   https://doi.org/10.35848/1347-4065/ad9bb9

[2024]

1. Man Suk Song, Lothar Houben, Yufei Zhao, Hyeonhu Bae, Nadav Rothem, Ambikesh Gupta, Binghai Yan, Beena Kalisky, Magdalena Zaluska-Kotur, Perla Kacman, Hadas Shtrikman, Haim Beidenkopf, Topotaxial mutual-exchange growth of magnetic Zintl Eu3In2As4 nanowires with axion insulator classification, Nat. Nanotechnol. 19, 1796–1803 (2024).
   https://doi.org/10.1038/s41565-024-01762-7

2. Noriko Akutsu, Yoshihiro Kangawa, Competition between Kardar–Parisi–Zhang and Berezinskii–Kosterlitz–Thouless kinetic roughening on (001) singular surface during steady crystal growth, Scientific Reports, 14 (2024) 29662.
   https://doi.org/10.1038/s41598-024-79380-5

3. P. Strak, W. Miller, S. Krukowski, Charge-Controlled Energy Optimization of the Reconstruction of Semiconductor Surfaces: sp3–sp2 Transformation of Stoichiometric GaN(0001) Surface to (4×4) Pattern. Materials 17 (2024) 2614.
   https://doi.org/10.3390/ma17112614

4. Noriko Akutsu, “Faceted-Rough Surface in the Non-Equilibrium Steady State Near Equilibrium,” Journal of Crystal Growth, 631 (2024) 127610, 1–6.
   https://doi.org/10.1016/j.jcrysgro.2024.127610

5. Toru Akiyama and Takahiro Kawamura, Structural stability of vicinal AlN (0001) and GaN (0001) surfaces with steps and kinks under metal–organic vapor-phase epitaxy Condition: A First-Principles Study, Crystal Growth & Design 24 (2024), 5906.
   https://doi.org/10.1021/acs.cgd.4c00121

6. Toru Akiyama and Takahiro Kawamura, An ab initio study for oxygen adsorption behavior on polar GaN surfaces, Physica Status Solidi 261 (2024), 2300573.
   https://doi.org/10.1002/pssb.20230057

7. Toru Akiyama and Takahiro Kawamura, Ab initio study for adsorption behavior on AlN (0001) surface with steps and kinks during metal-organic vapor-phase epitaxy, Japanese Journal of Applied Physics, 63 (2024), 02SP71.
   https://doi.org/10.35848/1347-4065/ad1896

[2023]

1. Kleshtanova, V., Ivanov, V. V., Hodzhaoglu, F., Prieto, J. E., & Tonchev, V., Heterogeneous Substrates Modify Non-Classical Nucleation Pathways: Reanalysis of Kinetic Data from the Electrodeposition of Mercury on Platinum Using Hierarchy of Sigmoid Growth Models. Crystals, 13(12), 1690 (2023).
   DOI: 10.3390/cryst13121690

2. Noriko Akutsu, “Faceted-Rough Surface between Thermodynamically Rough and Atomically Rough Surfaces” Conference Proceedings, AIP Conf. Proc. 2872, 090002 (2023), 1–8.

3. Noriko Akutsu, “Kardar–Parisi–Zhang Roughening Associated with Nucleation-Limited Steady Crystal Growth,” Scientific Reports, 13, 16086 (2023).
   DOI: 10.1038/s41598-023-43002-3

4. Hristina Popova, Analyzing the Pattern Formation on Vicinal Surfaces in Diffusion-Limited and Kinetics-Limited Growth Regimes: The Effect of Step−Step Exclusion, Cryst. Growth Des. 23, 8875-8888, 2023. 
   DOI: 10.1021/acs.cgd.3c00952

5. Marta Anna Chabowska, Magdalena A. Załuska-Kotur, Diffusion-Dependent Pattern Formation on Crystal Surfaces, ACS Omega, 8, 45779-45786, 2023. 
   DOI: 10.1021/acsomega.3c06377

6. V. V. Ivanov, C. Tielemann, K. Avramova, S. Reinsch, V. Tonchev, Modelling crystallization: When the normal growth velocity depends on the supersaturation, J. Phys. Chem. Solids, 181, 111542, 2023.
   DOI: 10.1016/j.jpcs.2023.111542

7. Haruka Sokudo, Toru Akiyama and Tomonori Ito, First-principles study for self-limiting growth of GaN layers on AlN (0001) surface, Japanese Journal of Applied Physics, 62 (2023), SC1014.
   https://doi.org/10.35848/1347-4065/aca810

[2025]

1. Vassil Ivanov, and Vesselin Tonchev, Step Bunching and Meandering Dynamics from a Generalized Reaction-Diffusion Model, ISCSI-X & ICSI/ISTDM2025, Kanagawa, 10-13 November 2025.

2. M. A. Chabowska, H. Popova, M. A. Załuska-Kotur, Unraveling Meander Formation: Surface Energy Potential,  Workshop on Bulk Crystal Growth and Epitaxy, Warsaw, Poland, 15-16 May 2025 [Oral]

3. M. A. Chabowska, H. Popova, M. A. Załuska-Kotur, Mechanisms of Meander Formation: The Role of Surface Energy Potential,  European Conference on Innovative and Advanced Epitaxy, Pisa, Italy, 19-23 May 2025 [Oral]

4. M. A. Załuska-Kotur, M. A. Chabowska, Simulation of Pattern Formation under Ion Beam Sputtering – VicCA model, 25th International Workshop on Inelastic Ion-Surface Collisions (IISC-25), Steinschaler Dörfl in Frankenfels, Austria, 14-19 September 2025 [Oral]

5. M. A. Chabowska, H. Popova, M. A. Załuska-Kotur, Potential Wells: The Hidden Architects of Crystal Surfaces, 53rd International School & Conference on the Physics of Semiconductors "Jaszowiec 2025", Szczyrk, Poland, 7-13 June 2025 [Poster]

6. M. A. Załuska-Kotur, M. A. Chabowska, Dynamic Surface Reshaping: Electromigration-Induced Patterns in Crystal Growth, 53rd International School & Conference on the Physics of Semiconductors "Jaszowiec 2025", Szczyrk, Poland, 7-13 June 2025 [Poster]

7. M. A. Chabowska, M. A. Załuska-Kotur, VicCa Model for Shaping and Controlling 2D Surface Structures, 53rd International School & Conference on the Physics of Semiconductors "Jaszowiec 2025", Szczyrk, Poland, 7-13 June 2025 [Poster]

8. M. A. Chabowska, M. A. Załuska-Kotur, Modeling Surface Morphology Evolution: From Meanders to Pyramids, 25th International Workshop on Inelastic Ion-Surface Collisions (IISC-25), Steinschaler Dörfl in Frankenfels, Austria, 14-19 September 2025 [Poster]

9. [INVITED] Yoshihiro Kangawa, Optimal Design of Fabrication Process for Deep Ultraviolet Laser Diodes: Computational Approach, 8th International Symposium on Growth of III-Nitrides (ICNS-8), Tainan, Taiwan, 9-12 Nov 2025. 

10. [INVITED] Magdalena Załuska-Kotur, Crystal Growth and Surface Pattern Formation: Insights from the VicCA Model, 2025 Japanese Association for Crystal Growth (JACG) Special Lecture, Fukuoka, Japan, 8 July 2025. 

[2024]

1. Taichi Hara, Akira Kusaba, Yoshihiro Kangawa, Hideto Miyake, Tetsuji Kuboyama, Exploration method for crystal growth conditions using sparse modelling: Application to high-temperature annealing of sputtered AlN films, 12th International Workshop on Nitride Semiconductors, Hawai'i, USA, 3-8 Nov 2024.

2. Takahiro Kawamura, Toru Akiyama, Hideto Miyake, Yoshihiro Kangawa, Kazuhisa Ikeda, and Tomoyuki Tanikawa, First-principles structural analysis of polarity inversion boundaries in GaN, 12th International Workshop on Nitride Semiconductors, Hawaii, USA, 3-8 Nov 2024.

3. Toru Akiyama, Takuto Miyamoato and Takahiro Kawamura, Effects of Sc composition and lattice constraint on polarization switching of ScAlN alloys: a first-principles study, 12th International Workshop on Nitride Semiconductors, Hawaii, USA, 3-8 Nov 2024.

4. Hristina Popova, Marta Chabowska, Magdalena Załuska-Kotur, Vesselin Tonchev, Formation and characterization of step meandering on vicinal surfaces: A cellular automaton model study, IV National Congress on Physical Sciences, Sofia, Bulgaria, 7-9 October 2024, poster presentation.

5. [INVITED] M. Chabowska, M.A. Załuska–Kotur, Dancing Atoms: Dynamic Processes at Crystal Surfaces during the Japanese–Polish Emerging Perspective Workshop – Toward the Quantum Computing, Sendai, Japan, 3-4 October 2024.

6. N. Akutsu, Y. Kangawa, Karder–Parisi–Zhang Kinetic Roughening Transition in Nucleation-Limited Steady Crystal Growth, 13th International Conference on Mathematical Modeling in Physical Sciences, Kalamata, Greece, 30 Sept-03 Oct 2024.

7. M. Chabowska, M. Załuska–Kotur, Smooth transition from meanders to pyramids, oral presentation, The 11th International Workshop on Modelling in Crystal Growth, Timisoara, Romania, 22-25 Sept 2024.

8. M. Załuska–Kotur, M. Chabowska, A flexible, cellular automata-based model for crystal growth and sublimation, Invited talk, The 11th International Workshop on Modelling in Crystal Growth, Timisoara, Romania, 22-25 Sept 2024.

9. Vesselin Tonchev, Vassil Ivanov, Tony Pantev, Multiple Fitting of Single Data Set: Robust fitting of a recent crystallization data, The 11th International Workshop on Modelling in Crystal Growth, Timisoara, Romania, 22-25 Sept 2024.

10. Vassil Ivanov, Vesselin Tonchev, Noriko Akutsu, Tony Pantev, If the step bunches of Stoyanov were sigmoids of Richards: Emulating surface profiles with logistic-type models, The 11th International Workshop on Modelling in Crystal Growth, Timisoara, Romania, 22-25 Sept 2024.

11. H. Popova, M. Chabowska, M. Załuska-Kotur and V. Tonchev, Model study of meanders on growing vicinal surfaces, 6th Scientific Seminar “Physics and Chemistry of the Earth System,” Banya, Bulgaria, 18-20 September 2024, oral presentation.

12. Takuto Miyamoto, Toru Akiyama and Takahiro Kawamura, Theoretical study on structural stability and miscibility of ScAlN alloys: effect of lattice constraint, 2024 International Conference on Solid State Devices and Materials, Himeji, Japan, 1-4, Sept 2024.

13. Hristina Popova, Analyzing the pattern formation on vicinal surfaces in diffusion-limited and kinetics-limited growth regimes: the effect of step−step exclusion, 8th European Conference on Crystal Growth - ECCG8, Warsaw, Poland, 21-25 July 2024, oral presentation.

14. Hristina Popova, Marta Chabowska, Magdalena Załuska-Kotur, Vesselin Tonchev, Step meandering on vicinal surfaces: Crystal growth modeling based on cellular automata, 10th International Conference on Advanced Materials – ROCAM 2024, Bucharest, Romania, 15-18 July 2024, poster presentation.

15. M. Chabowska, H. Popova, M. Załuska–Kotur, A non-obvious source of surface meandering, oral presentation, 37th European Conference on Surface Science, Harrogate. UK, 13 - 21 Jun 2024.

16. M. Chabowska, M. Załuska–Kotur, Impurities as a source of regular patterns on the surface, oral presentation, 37th European Conference on Surface Science, Harrogate. UK, 13 - 21 Jun 2024.

17. M. Chabowska, H. Popova, M. Załuska–Kotur, Potential channel – source of surface meanders, oral presentation, 8th European Conference on Crystal Growth, Warsaw, Poland, 21-25 July 2024.

18. M. Załuska–Kotur, M. Chabowska, Surface  dynamics - the  driving force of  the  pattern  formation, oral presentation, 8th European Conference on Crystal Growth, Warsaw, Poland, 21-25 July 2024.

19. Akira Kusaba, Tetsuji Kuboyama, Yoshihiro Kangawa, Determination of Local Electron Counting Rule Satisfaction by SAT Solver, The 9th Asian Conference on Crystal Growth and Crystal Technology (CGCT-9), 2026/06.

20. R. Shimauchi, Y. Kangawa, A. Kusaba, Vacancies in III-Nitrides (II): Diffusion near Hetero Interfaces, 10th International Conference on Light-Emitting Devices and Their Industrial Applications (LEDIA 2024), Yokohama, 2024/4.

21. K. Tateyama, Y. Kangawa, A. Kusaba, T. Kawamura, Vacancies in III-Nitrides (I): Formation under Reconstructed Surfaces, 10th International Conference on Light-Emitting Devices and Their Industrial Applications (LEDIA 2024), Yokohama, 2024/4.

[2023]

1. Noriko Akutsu, “Faceted Rough Surface Leads to Low Stacking Fault Nucleation-Limited Crystal Growth”　(poster), 14th International Conference on Nitride Semiconductors, (ICNS-14), (Fukuoka, Japan, November 12–17, 2023).

2. Toru Akiyama and T. Kawamura, An ab-initio study for oxygen adsorption behavior on polar GaN surfaces, 14th International Conference on Nitride Semiconductors, Fukuoka, Japan, 12-17 Nov 2023.

3. Toru Akiyama, Takahiro Kawamura, Ab initio study for adsorption behavior on AlN(0001) surface with steps and kinks during metal organic vapor phase epitaxy, 2023 International Conference on Solid State Devices and Materials, Nagoya, Japan, 5-8, Sept 2023.

4. Noriko Akutsu, “Crossover between BKT and KPZ rough surfaces for interface-limited growth in three dimensions” (poster), 28th International Conference on Statistical Physics, (Statphys28), (The University of Tokyo, Hongo campus, Tokyo, Japan, August 7th–11th, 2023).

5. Noriko Akutsu, Yasuhiro Akutsu, “Faceting Diagram for Macrosteps at Equilibrium: Tensor Network Calculations” (poster) 20th International Conference on Crystal Growth and Epitaxy, (ICCGE-20), (Naples, Italy, Complesso Universitario di San Giovanni a Teduccio July 30–August 4, 2023). 

6. Noriko Akutsu, “Faceted-Rough Surface in the Non-Equilibrium Steady State Near Equilibrium”, 20th International Conference on Crystal Growth and Epitaxy, (ICCGE-20), (Naples, Italy, Complesso Universitario di San Giovanni a Teduccio July 30–August 4, 2023).

7. Pawel Strak, Ashfaq Ahmad, Karol Kawka, Pawel Kempisty, Investigation of AlGaN(0001) properties through DFT calculations, The 14th International Conference on Nitride Semiconductors (ICNS-14) TuP-CH-LN1, November 12-17, 2023.

8. Hristina Popova, Magdalena Załuska-Kotur and Vesselin Tonchev, Step bunching on vicinal surfaces: numerical simulations of a cellular automata model, 2ND SYMPOSIUM On Challenges in Chemical and Biochemical Technologies and Environmental Protection & 18TH WORKSHOP on Transport Phenomena in Two-Phase Flow, Sandanski, Bulgaria, September 10 - 13, 2023. 

9. M.Chabowska, H. Popova, V. Tonchev, M. Załuska – Kotur, Modeling and characterization of surface patterns formed on the surface of a growing crystal, 36th European Conference on Surface Science, Lodz. Poland, 28 Aug - 1 Sep 2023.

• The 2nd Workshop on Atomic-Level Control of AlGaN Hetero-Interfaces for Deep-UV LED, Kyushu University, November 20, 2025.
  15:00~16:00
  Vassil Ivanov (Sofia University, Bulgaria)
  Step Bunching and Meandering Dynamics from a Generalized Reaction-Diffusion Model

• 2025 Special Seminar co-organized by the Japanese Association for Crystal Growth (JACG), Fukuoka, July 8, 2025.
  Lecturers: Toru Akiyama (Mie University), Masahide Sato (Kanazawa University), Noriko Akutsu (Kyushu University), and Magdalena Załuska-Kotur（Institute of Physics, Polish Academy of Sciences）
  https://www.jacg.jp/jp/event/2025/0708.html

• The 1st Workshop on Atomic-Level Control of AlGaN Hetero-Interfaces for Deep-UV LED, Nagoya University, November 12, 2024.
  15:00~16:00
  Toru Akiyama (Mie University) 
  Computational approach for growth process on nitride semiconductor surfaces with steps and kinks
  16:00~17:00
  Noriko Akutsu (Kyushu University)
  Kardar-Parisi-Zhang kinetic rough surface with two-dimensional poly-nucleation steady growth process

• September 9-11, 2024, Warsaw, Poland

• December 19, 2023, Online

• August 29, 2023, Sofia, Bulgaria

• August 26, 2023, Warsaw, Poland