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The public call for candidates for the position of Director of the Institute has been postponed

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Liquid-Cell Transmission Electron Microscopy (LCTEM) is a method for studying the nucleation and growth of nanostructures either from solutions or during the electrodeposition, at the nanoscale and in real time. In the joint study between the researchers at the Department for Nanostructured Materials at Jožef Stefan Institute and National Institute of Chemistry we have shown that the radical-induced redox chemistry can be used to investigate various redox-driven dynamics for a wide range of functional nanomaterials, in situ, and under dynamic conditions by applying LCTEM. We successfully modelled radical-induced redox chemistry processes in LCTEM, including the complex kinetics of the radiolysis species and their influence on the redox chemistry of the materials under investigation. The results of this study were published in a highly ranked journal Chemical Science (IF = 9,5).

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A team of researchers from France, India, and Slovenia was able to demonstrate the absence of a spin gap in the ground state of the iconic kagome-lattice material herbertsmithite. Their investigation entitled “Gapless ground state in the archetypal quantum kagome antiferromagnet ZnCu3(OH)6Cl2”, published in the renowned journal Nature Physics, was co-authored by Andrej Zorko from the Solid State Physics Department of the Jožef Stefan Institute and the Physics Department of the Faculty of Mathematics and Physics, UL. The discovery refutes a decade-old belief of a finite gap in this material and puts the enigmatic spin-liquid state in a completely new perspective. This experimental finding is consistent with recent theories suggesting a U(1) Dirac spin liquid as the ground state of the Heisenberg kagome antiferromagnet.

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In a paper, published in Physical Review X, Simon Čopar, Jure Aplinc, Žiga Kos, Slobodan Žumer and Miha Ravnik ( Department of Physics UL-FMF, Department of Solid-state Physics IJS), present the first numerical study of the topology of three-dimensional active nematic turbulence in a spherical confinement. Simulations were performed using a mesoscopic model of active nematic fluids, which are most commonly used to describe biological systems driven by internal conversion of stored energy (usually chemical) into motion. The chaotic motion in the active turbulence was explained by elementary topological events that affect defect lines appearing in such systems. Additionally, a coupling of surface and bulk dynamics through defects was demonstrated.

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Prof. dr. Spomenka Kobe is the recipient of the prestigious Fray Award for Leadership in development new technologies that contribute to a global sustainable development in the environment, economy and social points of view. The summit honored the 2019 STARS of sustainable science, technology, and innovation and was divided into ten parallel Symposia devoted to the awardees. One of them was the Kobe International Symposium on Science of Innovative and Sustainable Alloys and Magnets, where the world-leading scientists from the field of magnets and complex alloys presented the latest achievements in the field. Fray Award is granted to scientists, economists, and politicians. So far, the only awarded Slovene was a commissioner for science and later for environment dr. Janez Potočnik.

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The JOŽEF STEFAN INTERNATIONAL POSTGRADUATE SCHOOL, in collaboration with the INSTITUTE JOŽEF STEFAN, begins enrollment for doctoral and master's degrees for the academic year 2014/2015.

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