SIMTECH

"New Century of Superconductivity: Ideas, Materials, Technologies"

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 Obiettivo del progetto (Objective)

'This project is devoted to the new trends in superconductivity. It contains both experimental and theoretical component. We intend to realize the new superconductive nano-systems with high critical parameters, to study the possibility of superconductivity in the system of relativistic electrons in graphene, pumping effect in Josephson systems, a new mechanism of interaction between electrons of two Fermi seas, mediated by excitations of a Bose-Einstein condensate of exciton-polaritons, to develop a new diagnostic methods based on the fluctuation spectroscopy, to apply them for investigation of the pseudo-gap state properties of HTS. In the present project the experts in superconductivity of the highest international recognition take part side by side with young researchers from five institutions of four countries. The network institutions are located in the EU countries (France, Italy) and in the Eligible Third Countries of the former Soviet Union (Russia, Ukraine). Each of them has its own specialization and is related with others by virtue of already existing traditional collaborative links, partially supported by different national or bilateral programs. In the course of the project we are going to exploit the existing collaboration links and to create the new ones between partners. The main goal of the project is studying and optimization of the mechanisms of realization of the superconductivity in novel systems and materials. Series of bilateral visits, training workshops and meetings are planned for this purpose.'

Introduzione (Teaser)

Advances in technology allow growing designed superconductive structures layer by layer on the atomic scale. A four-year project tested the theoretical predictions using tailored nano-scale superconducting materials.

Descrizione progetto (Article)

Superconductivity, described as zero electrical resistance and expulsion of magnetic fields, was discovered over 100 years ago. Since then, many explanations have been offered to describe this unique quantum mechanical phenomenon. Now it is becoming possible to verify the theories and gain better understanding of superconductivity using newly discovered and artificially created materials.

The recently completed project SIMTECH (New century of superconductivity: Ideas, materials, technologies) unified highly recognised experts and young researchers from France, Italy, Russia and Ukraine. The main goal of SIMTECH was to study and optimise the mechanisms of superconductivity in novel systems and materials. The project aimed to realise new superconductive nanosystems with high critical parameters, study them and develop new diagnostic methods to investigate the (pseudo) gap state properties.

SIMTECH developed a general theory of quantum and thermal fluctuations in superconductors and applied it to characterise novel superconductors. Theoretical work also included the theory of artificial networks of superconducting nanograins and the theory of hybrid superconducting-ferromagnetic systems.

The project produced a new thermodynamic approach to describe thermal, thermoelectric and thermomagnetic transport in condensed matter. SIMTECH used a unique method to describe quantum and thermal fluctuations in superconductors.

Scientists performed extensive investigations of the band structure, anomalous electrophysical, magneto-optical, thermoelectric, thermomagnetic and thermospin properties of plain, gapped and multilayered graphene. Describing new trends in superconductivity in over 150 publications, SIMTECH demonstrated the achievements and beauty of modern science and the importance of its international nature.