Centro de Ciências e Tecnologias Nucleares (C²TN) is a multi- and interdisciplinary Research Unit of Instituto Superior Técnico (IST) recognized as a major National and International player in the scientific and technological areas related to Nuclear Sciences and Technologies and applications of Ionizing Radiations.

Following the motto “Radiation for Science and Society”, C²TN work addresses societal challenges within the scope of its areas of competence, namely, Life and Health Sciences, Radiological Protection, Earth Sciences, Environment, Cultural Heritage, and Material Sciences.

Under modern governance rules and promoting gender balance, C²TN has five Research Groups that carry out RD&I activities within the scope of three Thematic Strands: Advanced Materials, Radiopharmaceutical Sciences and Health Physics, and Earth Systems, Radioactivity and Cultural Heritage.