The IEM was founded in 1976 on the initiative of a group of researchers in Particle Physics, Molecular Physics, Quantum Chemistry and Crystalline Polymers, with only five scientists in the group. Today the basic mission of the Institute is to contribute to the advancement of the knowledge of the structure of matter on a wide range of scales, from the constituents of matter and space-time, to nuclei, atoms, molecules and macromolecules, including Condensed matter and mesoscopic systems.
Research activities are structured around groups, both experimental and theoretical, whose scientific fields include Gravitational, Nuclear, Statistical, Atomic, Molecular and Macromolecular Physics. Part of this research is supported by large national and international facilities, such as the research groups of Experimental Nuclear Physics, Statistical Physics and Macromolecular Physics.
At the moment, the IEM is formed by about 45 investigators of staff. They participates in more than 60 research projects and his researches give rise to an average of 165 publications per year in the most prestigious scientific journals. The Research Personnel, together with the Support Personnel, students and contractors, total about 135 persons.