Last changes on this homepage: May 18, 2023

Co-authored submissions and recent publications:

• Solid Solutions of Lithium Niobate and Lithium Tantalate: Crystal Growth and the Ferroelectric Transition
  Ferroelectrics (2023) in press
• Bulk Single Crystals and Physical Properties of ß-(Al_xGa_1-x)₂O₃ (x = 0- 0.35) Grown by the Czochralski Method J. Appl. Phys. 133 (2023) 035702
• Dislocation Climb in AlN Crystals Grown at Low Temperature Gradients Revealed by 3D X-Ray Imaging Crystal Growth Des. 23 (2023) 1538-1546
• The Thermal Conductivity Tensor of β-Ga₂O₃ from 300 to 1275 K Cryst. Res. Technol. 58 (2023) 2200204
• Fingerprints of Carbon Defects in Vibrational Spectra of GaN Considering the Isotope Effect Phys. Rev. B 106 (2022) 184110
• Wüstite (Fe_1-xO) - Thermodynamics and Crystal Growth Z. Naturforsch. B 77 [6] (2022) 463-468

Recent abstracts and presentations:

• Gallium Oxide Bulk Crystals Prepared by the Czochralski Method, (100) Substrates, and Homoepitaxy Results (Vortrag auf dem 6. Internationalen Workshop über UV-Materialien und Bauelemente 2023 (IWUMD 2023), Metz, France on Jun 5-8, 2023)
• Crystals, Substrates, and Technologies for Ga₂O₃ and Functional Oxides (Eingeladener Vortrag auf der 50. Jahrestagung der Niederländischen Kristallzüchtungs-Gesellschaft (DACG50), Amsterdam, The Netherlands on Mar 20-22, 2023)
• Melt growth of Bulk β-Ga₂O₃ Bulk Crystals (Vortrag im Halbleiter-Kolloquium des Clusters Leistungselektronik am Fraunhofer IISB (online) on Nov 21, 2022)
• Research Topics at IKZ Berlin - Targeting Innovations in & by Crystalline Materials for Society (Presentation at the SiMAP Colloquium, Université Grenoble-Alpes, Grenoble, France on Oct 27, 2022.
• Bulk β-Ga₂O₃ Single Crystals Grown by the Czochralski Method (Invited talk at the DGKK workshop on "Bulk Semiconductor Crystals", Freiberg/Saxony on Oct 5-6, 2022)
• Favorable Growth Conditions and Diameter Enlargement of Bulk AlN Single Crystals Grown by Physical Vapor Transport (Presentation at the DGKK workshop on "Bulk Semiconductor Crystals", Freiberg/Saxony on Oct 5-6, 2022)
• Bulk Single Crystals of Transparent Semiconducting Oxides (Oral talk at the 11. German-French Workshop on Oxide, Dielectric, and Laser Crystals (WODIL 2022), online (Lyon, France) on Sep 15-16, 2022)
• Preparation of Perovskite, Pyrochlore and Magnetoplumbite Crystals for Advanced Functional Oxides (Presentation at the 7. European Conference on Crystal Growth (ECCG-7), Paris, France on Jul 25-27, 2022)
• Favorable Growth Conditions and Diameter Enlargement of Bulk AlN Single Crystals Grown by Physical Vapor Transport (Presentation at the 7. European Conference on Crystal Growth (ECCG-7), Paris, France on Jul 25-27, 2022)

Conference organisation:

• 10. International Conference on Nitride Semiconductors (ICNS-14), Nov 14-19, 2023 in Fukuoka, Japan
  (Member of the program committee)
• 12. Workshop on Oxide, Dielectric, and Laser Crystals, Sep 21-22, 2023 in Berlin
  (Main Organizer)
• Summer school on "Periodic Low-Dimensional Defect Structures in Polar Oxides", Sep 6-8, 2023 in Berlin
  (Local Organizer)
• 20. International Conference on Crystal Growth (ICCGE-20), Jul 30-Aug 4, 2023 in Naples, Italy
  (Member of the program committee)
• 6. International Workshop on UV Materials and Devices (IWUMD 2023), May 5-8, 2023 in Metz, France
  (Member of the materials program comittee)