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

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.

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.

For students

Are you searching for an exciting and innovative topic for your seminar, summer work, or perhaps for a Masters or Diploma research? Check available topics an start your research journey with us.

Job opportunities

We are searching for talents! If you are searching for PhD position, if you are a motivated postdoc or senior researchers, check open positions and proposed research topics.

Our partners

We strongly believe that collaboration helps provide opportunities. We collaborate with other research institutions, businesses and industry. Learn here about our associates and how to become our partner.

April 11, 2024
Dr. Dragan Mihailović, a leading researcher in the field of quantum systems at the Jožef Stefan Institute (IJS), has successfully won the third project of the European Research Council (ERC), HIMMS (High-Resolution ...
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Articles

Electrically tunable two-color cholesteric laser
Lotfi Saadaoui, Donghao Yang, Yu Wang, Faheem Hassan, Irena Drevenšek Olenik, Xinzheng Zhang, Zenghua Gan, Yigang Li, Jingjun Xu

Polymers, vol. 15, iss. 24, art. no. 4656 (2023), DOI: 10.3390/polym15244656, COBISS.SI-ID: 177366275

Optical manipulation of sessile droplets of nematic liquid crystalline materials on the surface of a photovoltaic crystal
Ridvan Karapinar, Luka Cmok, Xinzheng Zhang, Irena Drevenšek Olenik

Journal of optical microsystems, vol. 3, iss. 4 (2023), DOI: 10.1117/1.JOM.3.4.041209, COBISS.SI-ID: 176890371

Synthesis of barium hexaferrite nano-platelets for ethylene glycol ferrofluids
Y. Ahmed, Alison Paul, Patricija Hribar Boštjančič, Alenka Mertelj, Darja Lisjak, Daniel Ząbek

Journal of materials chemistry. C, Materials for optical and electronic devices, vol. 11, iss. 45 (2023), DOI: 10.1039/D3TC03833E, COBISS.SI-ID: 173219331

Collective and non-collective molecular dynamics in a ferroelectric nematic liquid crystal studied by broadband dielectric spectroscopy
Aitor Erkoreka, Alenka Mertelj, Mingjun Huang, Satoshi Aya, Nerea Sebastián, Jesus Martinez-Perdiguero

Journal of chemical physics, vol. 159, iss. 18, [article no.] 184502 (2023), DOI: 10.1063/5.0173813, COBISS.SI-ID: 172422659

Magnetically actuated surface microstructures for efficient transport and tunable separation of droplets and solids
Gaia Kravanja, Raphael Kriegl, Luka Hribar, Gašper Glavan, Irena Drevenšek Olenik, Mikhail Shamonin, Matija Jezeršek

Advanced engineering materials, vol. 25, iss. 22, art. no. 2301000 (2023), DOI: 10.1002/adem.202301000, COBISS.SI-ID: 167150595

Spontaneous chiral symmetry breaking and lane formation in ferromagnetic ferrofluids
Mojca Vilfan, Borut Lampret, Žiga Gregorin, Luka Cmok, Andrej Vilfan, Jürgen Klepp, Joachim Kohlbrecher, Patricija Hribar Boštjančič, Darja Lisjak, Alenka Mertelj

Small, vol. 19, iss. 52 (2023), DOI: 10.1002/smll.202304387, COBISS.SI-ID: 163350531

Objective monitoring of laser tattoo removal in human volunteers using an innovative optical technique : a proof of principle
Neža Golmajer Zima, Nina Verdel, Matjaž Lukač, Boris Majaron

Lasers in surgery and medicine, vol. 55, no. 8 (2023), DOI: 10.1002/lsm.23720, COBISS.SI-ID: 163247107

Locally induced shockwaves for selective perforation of cargo loaded lipid vesicles with temporal and spatial control
Jure Derganc, Špela Zemljič Jokhadar, Boris Majaron, Gašper Kokot

RSC advances, iss. 35 (2023), DOI: 10.1039/d3ra03988a, COBISS.SI-ID: 161977859

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