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JOŽEF STEFAN INSTITUTE
Department of Complex Matter
Jamova cesta 39, 1000 Ljubljana, Slovenia

Phone: +386 1 477 33 88
Phone: +386 1 477 32 20
Email: complex.matter@ijs.si

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Dynamics of Quantum matter

We explore non-equilibrium many-body dynamics in quantum systems that experience symmetry-breaking, topological, or jamming transitions. These systems encompass superconductors, charge-density wave, and magnetic materials.

Dynamics of Quantum matter

Experimental Soft Matter Physics

The research is conducted within the “Light and Matter” research program. The interaction of light with matter is one of the most important fields of physics and optical processes are indispensable in many branches of modern industry.

Experimental Soft Matter Physics

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News

Events
Dragan Mihailović Opened the 33. Stefan Days with a Lecture on Quantum Noise

Dragan Mihailović Opened the 33. Stefan Days with a Lecture on Quantum Noise

March 25, 2025
At the opening of the 33. Days of Jožef Stefan, Dragan Mihailović presented a lecture on the self-organization of quantum systems. He discussed how symmetry, topology, causality, and space-time fluctuations shape the ...
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Articles

Dielectric spectroscopy of a ferroelectric nematic liquid crystal and the effect of the sample thickness
Aitor Erkoreka, Jesus Martinez-Perdiguero, Richard J. Mandle, Alenka Mertelj, Nerea Sebastián

Journal of molecular liquids, vol. 387, [article no.] 122566 (2023), DOI: doi.org/10.1016/j.molliq.2023.122566, COBISS.SI-ID: 159569667

Experimental study of longitudinal, transverse and volume strains of magnetoactive elastomeric cylinders in uniform magnetic fields
Gašper Glavan, Inna A. Belyaeva, Irena Drevenšek Olenik, Mikhail Shamonin

Journal of Magnetism and Magnetic Materials, vol. 579, art. no. 170826 (2023), DOI: 10.1016/j.jmmm.2023.170826, COBISS.SI-ID: 154216451

Polarization patterning in ferroelectric nematic liquids via flexoelectric coupling
Nerea Sebastián, Matija Lovšin, Brecht Berteloot, Natan Osterman, Andrej Petelin, Richard J. Mandle, Satoshi Aya, Mingjun Huang, Irena Drevenšek Olenik, Kristiaan Neyts, Alenka Mertelj

Nature communications, vol. 14 (2023), DOI: 10.1038/s41467-023-38749-2, COBISS.SI-ID: 154085635

Role of ionic surfactant in magnetic dynamics of self-assembled dispersions of nanoplatelets
Hajnalka Nádasi, Melvin Küster, Alenka Mertelj, Nerea Sebastián, Patricija Hribar Boštjančič, Darja Lisjak, Frank Ludwig

Journal of molecular liquids, vol. 382, [article no.] 121900 (2023), DOI: 10.1016/j.molliq.2023.121900, COBISS.SI-ID: 151737603

Dynamically tunable lamellar surface structures from magnetoactive elastomers driven by a uniform magnetic field
Izidor Straus, Gašper Kokot, Gaia Kravanja, Luka Hribar, Raphael Kriegl, Mikhail Shamonin, Matija Jezeršek, Irena Drevenšek Olenik

Soft matter, vol. 19, iss. 18 (2023), DOI: 10.1039/D3SM00012E, COBISS.SI-ID: 149684995

Tunable topological lasing of circularly polarized light in a soft-matter-based superlattice
Yu Wang, Donghao Yang, Shaohua Gao, Xinzheng Zhang, Irena Drevenšek Olenik, Qiang Wu, Marouen Chemingui, Zhigang Chen, Jingjun Xu

Laser & photonics reviews, vol. 17, iss. 7, art. no. 220643 (2023), DOI: 10.1002/lpor.202200643, COBISS.SI-ID: 145383171

Control of droplet impact through magnetic actuation of surface microstructures
Matija Jezeršek, Raphael Kriegl, Gaia Kravanja, Luka Hribar, Irena Drevenšek Olenik, Heiko Unold, Mikhail Shamonin

Advanced materials interfaces, vol. 10, art. no. 2202471 (2023), DOI: 10.1002/admi.202202471, COBISS.SI-ID: 145255427

Dual-wavelength lasing with orthogonal circular polarizations generated in a single layer of a polymer–cholesteric liquid crystal superstructure
Donghao Yang, Marouen Chemingui, Yu Wang, Xinzheng Zhang, Irena Drevenšek Olenik, Faheem Hassan, Qiang Wu, Yigang Li, Lotfi Saadaoui, Jingjun Xu

Polymers, vol. 15, art. no. 1226 (2023), DOI: 10.3390/polym15051226, COBISS.SI-ID: 143593475

Optical switching of bent-core liquid crystals with azocinnamoyl units
Luka Cmok, Simon Mattiazzi, Irena Drevenšek Olenik, Nerea Sebastián, Kristina Gak Simić, Nemanja Trišović, Mojca Vilfan

Liquid crystals, vol. 50, iss. 7/10 (2023), DOI: 10.1080/02678292.2023.2179120, COBISS.SI-ID: 142935299

Fabrication of high-aspect ratio nanogratings for phase-based X-ray imaging
Martyna Michalska, Alessandro Rossi, Gašper Kokot, Callum M. Macdonald, Silvia Cipiccia, Peter R.T. Munro, Alessandro Olivo, Ioannis Papakonstantinou

Advanced functional materials, vol. 33, iss. 16, [article no.] 2212660 (2023), DOI: 10.1002/adfm.202212660, COBISS.SI-ID: 140183555

Saturation magnetisation as an indicator of the disintegration of barium hexaferrite nanoplatelets during the surface functionalisation
Darja Lisjak, Iztok Arčon, Matic Poberžnik, Gabriela Herrero‑Saboya, Ali Tufani, Andraž Mavrič, Matjaž Valant, Patricija Hribar Boštjančič, Alenka Mertelj, Darko Makovec, Layla Martin‑Samos

Scientific reports, vol. 13 (2023), DOI: 10.1038/s41598-023-28431-4, COBISS.SI-ID: 138678531

DNMR measurements of an asymmetric odd liquid crystal dimer : determination of the intramolecular angle and the degree of order of the two rigid cores
Nerea Sebastián, Blaž Zupančič, Boštjan Zalar, David Orencio López, Sergio Diez-Berart

PCCP. Physical chemistry chemical physics : incorporating Faraday transactions, vol. 25, iss. 3 (2023), DOI: 10.1039/D2CP02696A, COBISS.SI-ID: 137714691

Light-induced dynamics of liquid-crystalline droplets on the surface of iron-doped lithium niobate crystals
Anej Sterle, Luka Cmok, Nerea Sebastián, Alenka Mertelj, Yongfa Kong, Xinzheng Zhang, Irena Drevenšek Olenik

Optical materials express, vol. 13, iss. 1 (2023), DOI: 10.1364/OME.477717, COBISS.SI-ID: 135276803

Ferroelectric nematic liquid-crystalline phases
Nerea Sebastián, Martin Čopič, Alenka Mertelj

Physical review. E, vol. 106, no. 2 (2022), DOI: 10.1103/PhysRevE.106.021001, COBISS.SI-ID: 124623619

Microstructured magnetoactive elastomers for switchable wettability
Raphael Kriegl, Gaia Kravanja, Luka Hribar, Lucija Čoga, Irena Drevenšek Olenik, Matija Jezeršek, Mitjan Kalin, Mikhail Shamonin

Polymers, vol. 14, art. no. 3883 (2022), DOI: 10.3390/polym14183883, COBISS.SI-ID: 121827843

Dynamics of domain formation in a ferromagnetic fluid
Žiga Gregorin, Nerea Sebastián, Natan Osterman, Patricija Hribar Boštjančič, Darja Lisjak, Alenka Mertelj

Journal of molecular liquids, vol. 366 (2022), DOI: 10.1016/j.molliq.2022.120308, COBISS.SI-ID: 121545731

Real-time imaging of monoclonal antibody film reconstitution after mechanical stress at the air-liquid interface by Brewster angle microscopy
Timotej Žuntar, Matjaž Ličen, Drago Kuzman, Natan Osterman

Colloids and surfaces. B, Biointerfaces, vol. 218, art. no. 112757 (2022), DOI: 10.1016/j.colsurfb.2022.112757, COBISS.SI-ID: 121325315

Miniature magneto-optic angular position sensor
Vedran Budinski, Simon Pevec, Stanislav Čampelj, Alenka Mertelj, Darja Lisjak, Denis Đonlagić

Optics letters, vol. 47, iss. 18 (2022), DOI: 10.1364/OL.470646, COBISS.SI-ID: 120760579

Introducing the azocinnamic acid scaffold into bent-core liquid crystal design: a structure–property relationship study
Kristina Gak Simić, Paulina Rybak, Damian Pociecha, Luka Cmok, Irena Drevenšek Olenik, Tibor Tóth-Katona, Nemanja Trišović

Journal of molecular liquids, vol. 366, art. no. 120182 (2022), DOI: 10.1016/j.molliq.2022.120182, COBISS.SI-ID: 120372995

The influence of quantum dots on the optical properties of a room temperature cholesteric liquid crystal
Marouen Chemingui, Donghao Yang, Yu Wang, Habib Ayeb, Wei Cai, Aiwei Tang, Irena Drevenšek Olenik, Xinzheng Zhang, Jingjun Xu

Liquid crystals, vol. 49, iss. 15 (2022), DOI: 10.1080/02678292.2022.2103850, COBISS.SI-ID: 117140739

Spontaneous self-propulsion and nonequilibrium shape fluctuations of a droplet enclosing active particles
Gašper Kokot, Hammad Ali Faizi, Gerardo Pradillo, Alexey Snezhko, Petia M. Vlahovska

Communications physics, vol. 5 (2022), DOI: 10.1038/s42005-022-00872-9, COBISS.SI-ID: 112409091

New insights into amino-functionalization of magnetic nanoplatelets with silanes and phosphonates
Jelena Papan, Griša Grigorij Prinčič, Andraž Mavrič, Alenka Mertelj, Jernej Iskra, Darja Lisjak

Nanomaterials, vol. 12, no. 12 (2022), DOI: 10.3390/nano12122123, COBISS.SI-ID: 112245251

Optimisation of amphiphilic-polymer coatings for improved chemical stability of NaYF[sub]4-based upconverting nanoparticles
Tina Černič, Monika Koren, Boris Majaron, Maja Ponikvar-Svet, Darja Lisjak

Acta chimica slovenica, vol. 69, no. 2 (2022), DOI: 10.17344/acsi.2021.7336, COBISS.SI-ID: 111949059

Magnetic dynamics in suspensions of ferrimagnetic platelets
Melvin Küster, Frank Ludwig, Alexey Eremin, Patricija Hribar Boštjančič, Darja Lisjak, Nerea Sebastián, Alenka Mertelj, Hajnalka Nádasi

Journal of molecular liquids, vol. 360 (2022), DOI: 10.1016/j.molliq.2022.119484, COBISS.SI-ID: 110580483