Jani Kotakoski is a Full Professor at the University of Vienna's Faculty of Physics, leading the Physics of Nanostructured Materials research group. He additionally holds an adjunct professorship at the University of Helsinki since May 2011. Education: Ph.D. in Physics, University of Helsinki (2007). Dissertation: Irradiation-mediated tailoring of carbon nanotubes Research Focus: Kotakoski pioneers atomic-scale manipulation of 2D materials using electron and ion beams. His work centers on defect engineering in graphene, carbon nanotubes, and transition metal dichalcogenides to control electronic, mechanical, and catalytic properties. Key methodologies include scanning transmission electron microscopy (STEM), slow highly charged ion irradiation, and in situ characterization within integrated vacuum systems. His fingerprint reveals dominant expertise in graphene (100%), two-dimensional materials (27%), carbon nanotubes (26%), and scanning transmission electron microscopy (20%). Publication Trends: Recent works (2024-2025) demonstrate a strategic shift toward functional applications: pore-engineered MoS 2 for hydrogen evolution catalysis, corrugation-controlled mechanical properties in graphene, and metal atom chains at graphene edges. His group increasingly combines defect creation with advanced imaging techniques like ptychography to resolve atomic structures of dopants and vacancies. Research Leadership: MECS (2023-2028): Materials for Energy Conversion and Storage Quantum Centers in Diamond (2021-2025): Creating quantum emitters DCAFM (2020-2025): Doctoral College for Advanced Functional Materials training Laboratory Infrastructure: His group operates an integrated vacuum system coupling graphene growth, manipulation, and atomic-resolution STEM imaging, enabling real-time observation of beam-induced dynamics from pristine to amorphous structures.









