Filip Tuomisto

Filip Tuomisto is a Professor at the University of Helsinki's Department of Physics, specializing in materials science with a focus on the interplay between macroscopic properties and atomic-level structure. His research employs positron annihilation spectroscopy to study defects in semiconductors and advanced materials. Leading a globally recognized team, he develops methodologies for defect characterization in materials like (Al,Ga)N and β-(Al,Ga)₂O₃ alloys. His work emphasizes applications in nuclear fusion, high-entropy alloys, and optoelectronics.

Projects:

• UWBGS US DoD Trial (2023–2026): Focuses on ultra-wide bandgap materials for defense applications.
• EUROFUSION ERG Vuoriheimo (2025–2027): Addresses fusion-related material challenges.
• WIBASE Co-Innovation (2025–2028): Aims to scale high-tech manufacturing techniques.

Research Highlights: Recent studies include vacancy dynamics in high-entropy alloys, irradiation effects in tungsten, and defect mechanisms in gallium oxide. His team's work bridges theoretical modeling and experimental observations, contributing to advancements in semiconductor engineering and fusion materials.

Labs: Heads the Kiihdytinlaboratorio (Acceleration Laboratory) within the Department of Physics, focusing on defect analysis and material characterization.