About Polona Brajer
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Entries by Polona Brajer
Kvantni spomin: izziv za razvoj kvantnih računalnikov, Seminarska naloga
October 9, 2020 in Open positions /by Polona BrajerModeliranje nove vrste spomina za kvantne računalnike, Magistrska naloga
October 9, 2020 in Open positions /by Polona BrajerMetastabilna stanja v večdelnih kvantnih sistemih, Magistrska naloga
October 9, 2020 in Open positions /by Polona BrajerNonequilibrium Quantum Dynamics and Relaxation Phenomena in Many Body Systems, December 16 – 19, 2018, Krvavec, Slovenia
November 25, 2018 in Events /by Polona BrajerNonequilibrium Quantum dynamics is becoming one of the most advanced contemporary research areas in solid state physics, ultracold atoms, nano physics and quantum devices. Understanding of such dynamics in real world systems presents a challenge to experimentalists and theory alike. The time-evolution of many-body quantum systems can be viewed as the time-evolution of quantum information, […]
Splay Nematic Phase
November 25, 2018 in News /by Polona BrajerResearchers from the Department for Complex Matter Jožef Stefan Institute Alenka Mertelj, Nerea Sebastián, Luka Cmok in Martin Čopič have in collaboration with researchers from University of York, UK, studied a recently designed nematic phase, which appears in materials made of polar wedge-shaped molecules. They discovered that average molecular orientation in the new phase organizes […]
Aleksander Yu. Kuntsevich, 22.11.2018 at 11:00, F7 Seminar room
November 20, 2018 in Seminars /by Polona BrajerSrₓBi₂Se₃-nematicity, superconductivity, crystals and thin films Aleksander Yu. Kuntsevich, P. N. Lebedev Physical Institute, Moscow, Russia Abstract: 3D topological insulator Bi₂Se₃ attracts much attention as a platform for future low consumption spintronics and quantum computations. Recently, nematic (and possibly topological) superconductivity was discovered in AₓBi₂Se₃, where A = Cu, Sr, Nb. In my talk I will […]
Andrej Kranjec, 13.11.2018 at 14:30, F7 Seminar room
November 10, 2018 in Seminars /by Polona BrajerVertex directed analysis of the hidden state relaxation in 1T-TaS2 Andrej Kranjec, Department for Complex Matter, JSI Abstract: I will be presenting a brief summary of our latest results obtained by applying a global interdomain shifts recognition algorithm on a high quality STM sequence of the relaxation of the H-state in 1T-TaS2. We show how the […]
Prof. Dr. Michele Fabrizio, 4.10.2018 at 13:00, Physics seminar room
October 2, 2018 in Seminars /by Polona BrajerTransient cooling of quasiparticles in K3C60 by mid-infrared laser pulses Prof. Dr. Michele Fabrizio, International School for Advanced Studies SISSA, Trieste, Italy Abstract: We propose an explanation of the transient superconducting-like optical behavior observed at temperatures as high as ten times Tc in K3C60 irradiated by mid-infrared laser pulses. In our theory the phenomenon is due […]
Mimoza Naseska, 19.9.2018 at 13:00, F7 Seminar room
September 16, 2018 in Seminars /by Polona BrajerSpin density wave dynamics in iron based pnictides Mimoza Naseska, Department of Complex Matter, JSI Abstract: We present ultrafast optical time-resolved spectroscopy measurements of the ultrafast system trajectory through the spin density wave (SDW) phase transition in SrFe2As2 and EuFe2As2. Using the standard pump-probe technique we determined the threshold fluence for the nonthermal destruction of […]
Maria D’Antuono, 18.7.2018 at 13:00 in F7 Seminar room
July 16, 2018 in Seminars /by Polona BrajerMagnetotransport properties of 2DEG formed in LAO/ETO/STO heterostructures studied using the electric field effect Maria D’Antuono, University of Naples Federico II, Naples, Italy Abstract: In 2004 Ohtomo and Hwang reported the formation of a high mobility 2-dimensional electron gas (2DEG) at the interface between two wide bandgap insulators oxides, namely LaAlO3 (LAO) and SrTiO3 (STO). In […]
Vitomir Sever, 6.7.2018 at 13:00 in F7 Seminar room
July 3, 2018 in Seminars /by Polona BrajerStudy of the efficiency of the solar updraft tower as a function of its height Vitomir Sever, Material Science and Engineering Department at Institute National des Sciences Appliquées (INSA), Lyon Abstract: With the constant increase in pollution, the need to find new systems that provide clean energy becomes more and more important. One of these […]
Dr. Satoshi Tsuchiya, 22.6.2018 at 13:00 in F7 Seminar room
June 20, 2018 in Seminars /by Polona BrajerSpectrally resolved and three pulse pump-probe spectroscopy in strongly correlated organic conductors Dr. Satoshi Tsuchiya, Complex Matter Department, Jozef Stefan Institute, Slovenia; Department of Applied Physics, Hokkaido University, Japan Abstract: The series of k-(BEDT-TTF)2X (X: anion molecules) has attracted much interest in fundamental physics related with strong electron correlation and application of devices because of a rich […]
Koichi Nakagawa, 1.6.2018 at 13:30 in the Physics Seminar room
May 28, 2018 in Seminars /by Polona BrajerPolarized pump-probe measurements in organic superconductors near Mott boundary Koichi Nakagawa, Department of Applied Physics, Hokkaido University, Sapporo, Japan Abstract: A series of κ-type organic superconductors offers an ideal electronic system to investigate crucial electronic properties such as pseudogap and fluctuating superconductivity, for understanding mechanism of unconventional superconductivity since chemical substitution in insulating/conducting molecules can lead to […]
Asst. Prof. Dr. Hiroyoshi Nobukane, 1.6.2018 at 13:00 in the Physics Seminar room
May 28, 2018 in Seminars /by Polona BrajerHigh-Tc superconductivity in ruthenates Asst. Prof. Dr. Hiroyoshi Nobukane, Department of Physics, Hokkaido University, Sapporo, Japan Abstract: Layered perovskite materials can control quantum states from superconductivity to a Mott insulator by tuning physical and chemical pressure. By reducing the thickness of a layered crystal to nanometer range, a nanofilm due to a negative pressure effect leads to […]
Jaka Vodeb, 25.5.2018 at 13:00 in F7 Seminar room
May 23, 2018 in Seminars /by Polona BrajerCharged lattice gas of polarons in 1T-TaS2 Jaka Vodeb, Department for Complex Matter, Jozef Stefan Institute, Ljubljana, Slovenia Abstract: Motivation for this work comes from the discovery of a new metastable amorphous (A) state in 1T-TaS2 (TAS)1. The A state represents a disordered polaron pattern, which exhibits metallic behavior. We employed a classical charged lattice […]
Michele Diego, 17.5.2018 at 11:00 in F7 Seminar room
May 15, 2018 in Seminars /by Polona BrajerOut of equilibrium electronic properties of ZrTe5 Michele Diego, Department of Complex Matter, JSI Abstract: Transition metal pentatelluride, ZrTe5, displays a set of unique and exotic transport properties, which make this material an ideal candidate for magnetic and thermoelectric devices. In particular, the best known anomaly is its resistivity trend, which shows a metallic behavior […]
Matjaž Ličen, 20.4.2018 at 13:00 in F7 Seminar room
April 18, 2018 in Seminars /by Polona BrajerPhotoregulating the self-assembly of lipophilic guanosine derivaters at the air-water interface Odsek za kompleksne snovi, IJS Abstract: Basic blocks of DNA are very interesting constituents for designing supramolecular single-layer and multilayer surface architectures. Our recent studies of self-assembly of nucleoside derivatives in monolayer films at the air-water interface (Langmuir films) reveal that guanosine derivatives exhibit […]
Splay nematic phase
December 2, 2018 in Soft matter /by Polona BrajerFerrofluids in microfluidic arrays
December 2, 2018 in Soft matter /by Polona BrajerControlled assembly of guanosine derivatives in thin films
December 2, 2018 in Soft matter /by Polona BrajerSurface functionalisation of barium hexaferrite nanoplates
December 2, 2018 in Soft matter /by Polona BrajerQuantum Technology in Slovenia
January 28, 2016 in Nonequilibrium quantum matter /by Polona BrajerUltrafast studies of electron dynamics correlated systems
November 10, 2018 in Soft matter /by Polona BrajerUltrafast Memory materials
August 10, 2018 in Nonequilibrium quantum matter /by Polona BrajerBioMedical Optics
July 10, 2018 in medical physics /by Polona BrajerTheoretical studies on the nanoscale
April 10, 2018 in Nonequilibrium quantum matter /by Polona BrajerMicrofluidics
February 10, 2018 in Soft matter /by Polona BrajerHidden quantum state in 1T-TaS2
July 17, 2015 in Nonequilibrium quantum matter /by Polona BrajerPicnic 2018
May 30, 2018 in Team building /by Polona BrajerNew Year’s dinner 2017
April 14, 2018 in Team building /by Polona BrajerHidden quantum resistance of a superconductor nanowire, Science Advances
April 5, 2018 in Interviews and media, News /by Polona BrajerSuperconductors are known for zero electrical resistance, which is one of the consequences of superconductivity as a macroscopic quantum phenomenon. However, in an unusual experiment on extremely narrow superconducting nanowires performed by Ivan Madan and Jože Buh under the leadership of Dragan Mihailovic, the superconductor is switched by ultrashort laser pulses to a hidden metastable […]
Anisotropic magnetic nanoparticles: A review of their properties, synthesis and potential applications
March 29, 2018 in Interviews and media, News /by Polona BrajerA review article Anisotropic magnetic nanoparticles
Dr. Andrey Leontyev, 12.4.2018 at 13:00 in F7 Seminar room
April 10, 2018 in Seminars /by Polona BrajerNonresonant multi-pulse selective spectroscopy of interaction-induced responses in liquids using optical Kerr effect Kazan E.K. Zavoisky Physical-Technical Institute, Kazan, Russia Abstract: An ultrafast selective spectroscopic measurements of vibrational-rotational dynamics of molecules in liquids were implemented using optical Kerr effect (OKE) detection under multi-pulse nonresonant xcitation. Introducing additional excitation pulses and creating either constructive or destructive […]
Matej Prijatelj, 23.3.2018 at 13:00 in F7 Seminar room
March 26, 2018 in Seminars /by Polona BrajerExpansion of transition metal dichalcogenides Hella Saturnus Slovenija d.o.o., HSS – Ljubljana Abstract: Layered two-dimensional materials have unique physical and chemical properties due to their highly anisotropic nature. A few of the layered crystals can be further expanded to low density / high specific surface area materials by introducing molecules to the inter planar spaces. […]
Prof. dr. Roman Sobolewski, 16.3.2018 at 13:00 in the Physics Seminar room
March 14, 2018 in Seminars /by Polona BrajerNanostructured superconducting single-photon detectors as photon energy, number, and polarization resolving devices Departments of Electrical and Computer Engineering and Physics and Astronomy, and the Materials Science Program and Laboratory for Laser Energetics, University of Rochester, Rochester, NY Abstract: We present an overview of the physics of operation of superconducting single-photon detectors (SSPDs) and their implementation […]
Yelyzaveta Chernolevska, 14.3.2018 at 13:00, Seminar room F7
March 13, 2018 in Seminars /by Polona BrajerCluster structure of monohydric alcohol Yelyzaveta Chernolevska, Faculty of Physics of Taras Scevchenko, National University of Kyiv, Ukraine
Kolokvij Oddelka za fiziko, FMF, 12.3.2018 at 16:15
March 9, 2018 in Lectures /by Polona BrajerArtificial Life at Low Reynolds Number dr. Mojca Vilfan , Jozef Stefan Institute, Department for complex matter < Learn more>
Field-controlled structures in ferromagnetic cholesteric liquid crystals
October 9, 2017 in Interviews and media, News /by Polona BrajerOne of the advantages of anisotropic soft materials is that their structures and, consequently, their properties can be controlled by moderate external fields. Whereas the control of materials with uniform orientational order is straightforward, manipulation of systems with complex orientational order is challenging. We show that a variety of structures of an interesting liquid material, […]
Jožef Stefan Institute; Annual report 2016
October 5, 2017 in Annual reports /by Polona BrajerDownload link: [PDF]
dr. Satoshi Tsuchiya, 22.09. 2017 at 13:00, Seminar room F7
September 15, 2017 in Seminars /by Polona BrajerPhotoinduced carrier dynamics in organic superconducting system: Previous results and recent progress Dr. Satoshi Tsuchiya Department of Applied Physics, Hokkaido University, Hokkaido, Japan
Tinkara Troha, 14.09. 2017 at 13:00, Seminar room F7
September 8, 2017 in Seminars /by Polona BrajerUV second harmonic generation in structured AIN optical wavequides Tinkara Troha Fakulteta za matematiko in fiziko in Institut »Jožef Stefan«, Ljubljana Abstract: We investigated the potential of aluminium nitride (AlN) for generation of UV light through a nonlinear optical process of second harmonic generation (SHG). AlN is an excellent candidate since it is transparent to […]
Dynamic Magneto-optic Coupling in a Ferromagnetic Nematic Liquid Crystal, Physical Review Letters, 01.09.2017
September 6, 2017 in Interviews and media, News /by Polona BrajerHydrodynamics of complex fluids with multiple order parameters is governed by a set of dynamic equations with many material constants, of which only some are easily measurable. We present a unique example of a dynamic magneto-optic coupling in a ferromagnetic nematic liquid, in which long-range orientational order of liquid crystalline molecules is accompanied by long-range […]
Mimoza Naseska, 11.09. 2017 at 13:00, Seminar room F7
September 5, 2017 in Seminars /by Polona BrajerUltrafast spin density wave dynamics at intense optical pulse excitation Mimoza Naseska Fakulteta za matematiko in fiziko in Institut »Jožef Stefan«, Ljubljana Abstract: Ultrafast time-resolved optical spectroscopy has become an important tool for characterizing the various energy transfer processes occurring after absorption of intense laser pulses. The relaxation timescales observed after photoexcitation can in some […]
Jaka Vodeb, 08.09.2017 at 13:00, Seminar room F7
September 4, 2017 in Seminars /by Polona BrajerUrejanje polaronov v dveh dimenzijah Jaka Vodeb Fakulteta za matematiko in fiziko in Institut »Jožef Stefan«, Ljubljana Abstract: V magistrski nalogi je obravnavano modeliranje nizkotemperaturnih faz kristala 1T-TaS$_2$ (TAS). V splošnem je za kristal TAS značilen bogat fazni diagram in mikroskopska struktura pojava vala gostote naboja (VGN). Do sedaj je bilo možno mikroskopsko teorijo povprečnega […]
Best poster Award LEES at 2018 for Mimoza Naseska
June 23, 2018 in Awards, News /by Polona BrajerYoung researcher Mimoza Naseska was awarded Best Poster Award at the 2018 Low Energy Electrodynamics of Solids (LEES) conference, June 24-29, 2018, Portonovo, Ancona, Italy for poster “Optical quench and recovery of SDW state SeFe2As2 and EuFe2As2”.
Best Poster Award at QCM 2018 for Mimoza Naseska
June 23, 2018 in Awards, News /by Polona BrajerYoung researcher Mimoza Naseska was awarded Best Poster Award at the International Workshop Quantum Complex Matter (QCM 2018) and Frontiers Condensed Matter Physics (FCMP), June 11-15, 2018, Rome, Italy for poster “Optical quench and recovery of SDW state SeFe2As2 and EuFe2As2”.
Jan Ravnik; Best poster award at the International School and Workshop on Electronic Crystals ECRYS-2017, Cargese, France (21.08.-02.09.2017)
September 4, 2017 in Awards, News /by Polona BrajerJan Ravnik received the Best Poster Award at the International School and Workshop on Electronic Crystals ECRYS-2017, for his paper: Reaching a Hidden State in Half a Picosecond.
A high- temperature quantum spin liquid with polaron spins, Nature Physics, 31.07.2017
July 31, 2017 in Interviews and media, News /by Polona BrajerThe existence of a quantum spin liquid (QSL) in which quantum fluctuations of spins are sufficiently strong to preclude spin ordering down to zero temperature was originally proposed theoretically more than 40 years ago, but its experimental realization turned out to be very elusive. Here we report on an almost ideal spin liquid state that […]
10th Liquid Matter Conference, 17-21 July 2017, Ljubljana, Slovenia
July 24, 2017 in Conferences /by Polona BrajerThe conference will be held from July 17 through 21 2017 at the Cankarjev dom Cultural and Congress Centre in Ljubljana, Slovenia. Previous conferences in the series were hosted by Lyon (1990), Florence (1993), Norwich (1996), Granada (1999), Konstanz (2002), Utrecht (2005), Lund (2008), Vienna (2011) and Lisbon (2014). The purpose of the conference is […]
Dr. Ljupka Stojčevska Malbašić; Best poster award at the conference ICFSI 2017, Hannover, Germany (02.-07.07.2017)
July 9, 2017 in Awards, News /by Polona BrajerDr. Ljupka Stojčevska Malbašić received the Best Poster Award at the 16th International Conference on the Formation of Semiconductor Interfaces (ICFSI 2017), for her paper: Study of the photoinduced hidden state in 1T-TaS2 single crystals doped with selenium by means of time-resolved photoemission spectroscopy (Co-authors from JSI; Asst. Prof. Tomaž Mertelj, Prof. Dr. Dragan Mihailović […]
Asst. Prof. Natan Osterman; The goal of microfluidics is also the laboratory on the chip, Tromba
July 3, 2017 in Interviews and media, News /by Polona BrajerInterview in Slovenian language, Tromba agency [link]
prof. dr. Xinzheng Zhang, 22.06.2017 at 13:00, Seminar room F7
June 20, 2017 in Seminars /by Polona BrajerControl of Light Field Based on Liquid Crystal/Polymer Composite Structures prof. dr. Xinzheng Zhang TEDA Institute of Applied Physics & School of Physics, Nankai University, P. R. China Abstract: Liquid Crystal/Polymer Composites (LCPCs) consisting of liquid crystal (LC) and polymer are a new class of functional materials. They possess excellent anisotropy and reconfigurability by external fields. In composites, the polymer plays a role […]
Jan Ravnik; Best poster award at the conference PIPT6, Sendai, Japan (04.-09.06.2017)
June 13, 2017 in Awards, News /by Polona BrajerJan Ravnik received the Best Poster Award at the 6th International Conference On Photoinduced Phase Transitions (PIPT6), for his paper: Time evolution of a phase transition to a stable photoinduced state in 1T-TaS2
Prof. dr. Rupert Schreiner, 15.06.2017 at 13:00, Seminar room F7
June 9, 2017 in Seminars /by Polona BrajerSemiconductor Field Emission Electron Source for Application in Sensors and X-ray Sources prof. dr. Rupert Schreiner Ostbayerische Technische Hochschule Regensburg, Fakultät Allgemeinwissenschaften und Mikrosystemtechnik, Germany Abstract: Semiconductor field emitter arrays are suitable candidates for applications which require a very stable field emission (FE) current and a high emission uniformity over the entire emission area. By […]
Peter Topolovšek, 24.05.2017 at 14:00, Seminar room F7
May 22, 2017 in Seminars /by Polona BrajerNanometric thin organic and inorganic layers and their use in perovskite solar cells and elastomers Peter Topolovšek Jožef Stefan International Postgraduate School, Ljubljana Invitation and abstract [PDF] Abstract: Realization of highly performing vertically built opto-electronic devices typically requires a close control over the thickness of the constituing layers in order to find the balance between […]
Departmental picnic, 19.05.2017
May 22, 2017 in Team building /by Polona BrajerTetiana Borzda, 18.05.2017 at 13:00, Seminar room F7
May 15, 2017 in Seminars /by Polona BrajerNon-equilibrium electron dynamics in semiconducting transition metal Tetiana Borzda Jožef Stefan International Postgraduate School, Ljubljana Invitation and abstract [PDF] Abstract: In the talk I will discuss equilibrium and non-equilibrium optical properties of two-dimensional materials, in particular transition metal dichalcogenides (TMDs) such as MoS2 and WSe2. After an introduction to TMD materials and their photophysics as […]
dr. Reinhard Kaindl, 19.05.2017 at 10:30, Seminar room F7
May 12, 2017 in Seminars /by Polona BrajerGraphene-related materials research @ Joanneum research – Materials dr. Reinhard Kaindl Joanneum Research, Graz, Austria Invitation [PDF]
Miloš Borovšak, 17.05.2017 at 13:00, Seminar room F7
May 11, 2017 in Seminars /by Polona BrajerPhase changes in molybdenum oxides induced by AFM tip and laser excitation Miloš Borovšak Faculty of Mathematics and Physics, Ljubljana Abstract: Molybdenum oxides show many physical properties, especially electronic, that are similar to the physical properties of 1T-TaS2, where a phase transition from insulator to metal can occur with a single ultrashort laser pulse, and […]
Prof. Dr. Dragan Mihailović is the recipient of the ERC’s “Proof of concept” project
May 11, 2017 in Achievements, News /by Polona BrajerLjubljana, 9 May 2017 – Prof. dr. Dragan Mihailović, Head of the Department of Complex Matter at the “Jožef Stefan” Institute has at the call of the European Research Council (ERC) obtained an ERC “Proof of concept” – project aimed at developing a commercial concept of research findings. Proposal [PDF] Project Brief [link]
Public tender for the promotion of the early career 2.0.; NEW PROJECT APPROVED, 2017
April 20, 2017 in News /by Polona BrajerDevelopment of gradual optical shutter – OPTIGRAD, dr. Luka Cmok; The Ministry of Education, Science and Sport, Republic of Slovenia
March for Science
April 19, 2017 in News /by Polona BrajerScientists against research funding cuts: http://4d.rtvslo.si/arhiv/dnevnik/174467019 http://m.24ur.com/novice/slovenija/foto-v-ljubljani-protestirali-zaradi-krcenja-sredstev-za-raziskave-in-inovacije.html http://www.zurnal24.si/shod-za-znanost-raziskovalke-in-raziskovalci-zahtevajo-boljse-pogoje-clanek-289280 http://www.vecer.com/v-ljubljani-shod-za-znanost-za-1-odstotek-bdp-ja-6258132 http://www.delo.si/znanje/znanost/shod-za-znanost.html?iskalnik=Shod%20za%20znanost svet24.si/clanek/novice/slovenija/58f77e74a8801/protesnti-shod-za-znanost-podprl-tudi-brglez https://marijanzlobec.wordpress.com/2017/04/19/junasko-mirno-shod-za-znanost/ http://www.publishwall.si/casopisvecer/post/285674/v-ljubljani-shod-za-znanost-ministrica-ga-podpira-kot-znanstvenica
Slovenian Research Agency – NEW PROJECTS APPROVED, 2017
April 11, 2017 in News /by Polona BrajerFemtosecond time-resolved scanning tunneling electron microscopy of complex materials, 01.05.2017 – 01.05.2020, prof. dr. Dragan Mihailović Electrically tunable ferromagnetic liquids, 01.05.2017 – 01.05.2020, asst. dr. Alenka Mertelj Magnetically reconfigurable elastomeric optical surfaces, 01.04.2017 – 31.03.2019, prof. dr. Dragan Mihailović, prof. dr. Irena Drevenšek Olenik ARRS Results [link]
NEW EU PROJECT APPROVED, 2017
April 11, 2017 in News /by Polona BrajerNFFA-Europe facilities, Scalling properties of CDW memory, prof. dr. Dragan Mihailović
Call for master theme: Flash memory for quantum computers
March 28, 2017 in News /by Polona BrajerA possible boost for integrated photonics from the labs of the Jožef Stefan Institute
February 20, 2017 in News /by Polona BrajerFibre optical communication is increasingly replacing traditional electrical interconnects due to its higher speed and energy efficiency: A possible boost for integrated photonics from the labs of the Jožef Stefan Institute Abstract: A possible boost for integrated photonics from the labs of the Jožef StefanInstitute Fibre optical communication is increasingly replacingtraditional electrical interconnects due to its […]
Victor Vega Mayoral, 11.01.2017 at 14:00, Seminar room F7
January 9, 2017 in Seminars /by Polona BrajerPhotophysics of transition metal dichalcogenides obtained from liquid phase exfoliation Victor Vega Mayoral Trinity College Dublin, Dublin, Ireland Abstract: Two research lines are presented in this seminar. The first one is focused on exfoliating WS2 via liquid phase exfoliation and the use of some basic, commonly available and fast characterization techniques. Exfoliation in water/polymer dispersions […]
Bite into science, RTV 4
January 5, 2017 in Interviews and media, News /by Polona BrajerAt the Jožef Stefan Institute scientists have discovered a new type of memory element and achieve world speed record for an optical element.
New memory element and a world speed record, Delo, 29.12.2016
December 29, 2016 in Achievements, Interviews and media, News /by Polona BrajerNew memory element and a world speed record – article [link]
Peter Topolovšek, 22.12.2016 at 14:00, Seminar room F7
December 22, 2016 in Seminars /by Polona BrajerUltrathin charge extraction layers in perovskite solar cells Peter Topolovšek Italian Institute of Technology, Milano, Italy
New Year’s dinner 2016
December 16, 2016 in Team building /by Polona BrajerDaniele Vella, 15.12.2016 at 14:00, Seminar room F7
December 15, 2016 in Seminars /by Polona BrajerPhotophysics of atomically thin MoS2 devices Daniele Vella Jožef Stefan International Postgraduate School, Ljubljana
Research cooperation between the Republic of Slovenia and the People’s Republic of China
December 13, 2016 in News /by Polona BrajerProf. dr. Irena Drevenšek Olenik- selected with the projects on Public tender for co-financing scientific research cooperation between the Republic of Slovenia and the People’s Republic of China in the years 2017 – 2018. ARRS [link]
Jan Fišer, the recipient of the Faculty Prešeren Prize (FMF) in Physics
December 7, 2016 in Awards, News /by Polona BrajerAward announcement [link] Fakultetne nagrade za študijsko leto 2015/16 Sedem fakultetnih Prešernovih nagrad, nagrada Franca Močnika, 45 Dekanovih priznanj 6. decembra 2016 smo podelili nagrade za najboljše dosežke študentom naše fakultete. Fakultetno Prešernovo nagrado so s področja matematike prejeli Matej Petković, Rok Brence, Blaž Koroša in Petra Poklukar, s področja fizike pa Jan Fišer, Tanja […]
dr. Tibor Tóth Katona, 10.11.2016 at 13:00, Seminar room F7
November 10, 2016 in Seminars /by Polona BrajerBiasing a ferronematic – a new way to detect weak magnetic field dr. Tibor Tóth Katona Hungarian Academy of Sciences, Budapest, Hungary
dr. Fabio Miletto Granozio, 27.09.2016 at 13:00, Seminar room F7
September 27, 2016 in Seminars /by Polona BrajerNonvolatile resistive switches induced by field effect and light in 2DEGs at oxide interfaces dr. Fabio Miletto Granozio CNR-SPIN, Naples, Italy
Visit of Bulgarian President, Mr. Rosen Plevneliev
July 25, 2016 in Interviews and media, News /by Polona BrajerRosen Plevneliev’s visit at the “Jožef Stefan” Institute Article in slovenian language [link]
Prof. dr. Dragan Mihailović, JSI, FMF UL: Quantum technologies – new development, Tromba
July 21, 2016 in Interviews and media, News /by Polona BrajerQuantum Technologies – new development Article at Tromba Agency [link]
Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach, Advances in Physics
July 21, 2016 in Interviews and media, News /by Polona BrajerIn the last two decades, non-equilibrium spectroscopies have evolved from avant-garde studies to crucial tools for expanding our understanding of the physics of strongly correlated materials. The possibility of obtaining simultaneously spectroscopic and temporal information has led to insights that are complementary to (and in several cases beyond) those attainable by studying the matter at […]
Real-time measurement of the emergence of superconducting order in a high-temperature superconductor, Physical Review B
June 30, 2016 in Interviews and media, News /by Polona BrajerSystems which rapidly evolve through symmetry-breaking transitions on timescales comparable to the fluctuation timescale of the single-particle excitations may behave very differently than under controlled near-ergodic conditions. A real-time investigation with high temporal resolution may reveal insights into the ordering through the transition that are not available in static experiments. We present an investigation of […]
Slovenian knowledge to combat counterfeiting, Siol.net
June 8, 2016 in Interviews and media, News /by Polona BrajerArticle in Slovenian language [link]
Liquid crystals in combating counterfeiting Si21
June 8, 2016 in Interviews and media, News /by Polona BrajerArticle in Slovenian language [link]
Europe drives quantum revolution by billions. Slovenia is not included. Delo.si
May 28, 2016 in Interviews and media, News /by Polona BrajerMedia clip in Slovenian language [link]
Visit by the President of the European Research Council, STA.si
May 26, 2016 in Interviews and media, News /by Polona BrajerMedia clip in Slovenian language [link]
Name of the Week: prof. dr. Dragan Mihailović, Val 202
May 23, 2016 in Interviews and media, News /by Polona Brajer“Name of the week” nomination for Prof. Dr. Dragan Mihailović, head of the department Article [link]
Departmental picnic, 19.05.2016
May 19, 2016 in Team building /by Polona BrajerNew memory element and a world speed record, Delo
May 19, 2016 in Interviews and media, News /by Polona BrajerMedia clip [PDF]
The success of Slovenian scientists, Svet24
May 19, 2016 in Interviews and media, News /by Polona BrajerMedia clip [PDF]
Fast electronic resistance switching involving hidden charge density wave states, Nature Communications
May 16, 2016 in Interviews and media, News /by Polona BrajerThe functionality of computer memory elements is currently based on multi-stability, driven either by locally manipulating the density of electrons in transistors or by switching magnetic or ferroelectric order. Another possibility is switching between metallic and insulating phases by the motion of ions, but their speed is limited by slow nucleation and inhomogeneous percolative growth. […]
Discovered the new type of memory, which works at record speed, RTV SLO
May 16, 2016 in Interviews and media, News /by Polona Brajer[link]
Slovenian scientific breakthrough that will improve the work of Google and other giants, 24ur.com
May 16, 2016 in Interviews and media, News /by Polona BrajerInterview with Dr. Igor Vaskivskyi
Decade of taxation for postdoctoral studies abroad, Ars.rtvslo.si
April 11, 2016 in Interviews and media, News /by Polona Brajer[link]
dr. Ljupka Stojčevska Malbašić received the Jožef Stefan golden emblem award, Jožef Stefan Institute
March 23, 2016 in Awards, News /by Polona BrajerFull text in Slovenian language at Tromba Agency [link]
Critical femtosecond relaxation dynamics of collective and single-particle excitations through the phase transitions in single crystals of η−Mo4O11, Physical Review B
March 14, 2016 in Interviews and media, News /by Polona BrajerWe present a systematic study of the single-particle and collective excitations by femtosecond transient reflectivity measurements in single crystals η−Mo4O11, investigating the dynamics as a function of temperature with two different pump photon energies (3.1 and 1.55 eV). A remarkable slowing down of the relaxation dynamics is observed at the first charge density wave (CDW) […]
Prof. dr. Martin Čopič, FMF, UL: There is no good teacher without research, Tromba
February 23, 2016 in Interviews and media, News /by Polona BrajerInterview with Prof. dr. Martin Čopič at Tromba Agency [link]
Factors determining large observed increases in power conversion efficiency of P3HT:PCBM solar cells embedded with Mo6S9−xIx nanowires, Synthetic Metals
February 1, 2016 in Interviews and media, News /by Polona BrajerPower conversion efficiency (PCE) of bulk heterojunction solar cells is influenced by many factors, such as energy level alignment, light trapping and absorption, exciton diffusion, charge carrier mobility and non radiative recombination rate. Despite significant efforts towards improving all these aspects, the PCE remains relatively low and progress has been slow. Here we report a […]
Spontaneous liquid crystal and ferromagnetic ordering of colloidal magnetic nanoplates, Nature Communications
January 28, 2016 in Interviews and media, News /by Polona BrajerFerrofluids are familiar as colloidal suspensions of ferromagnetic nanoparticles in aqueous or organic solvents. The dispersed particles are randomly oriented but their moments become aligned if a magnetic field is applied, producing a variety of exotic and useful magnetomechanical effects. A longstanding interest and challenge has been to make such suspensions macroscopically ferromagnetic, that is […]