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Št. zadetkov: 24
Magnetically driven spinodal decomposition as the origin of magnetic softness of CoFeNi-based ferromagnetic high-entropy alloys
Andreja Jelen, Pavol Priputen, M. Feuerbacher, Anton Meden, Janez Dolinšek
Izvirni znanstveni članek
Oznake: high-entropy alloys;magnetic Gibbs free energy;soft ferromagnetism;
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Three-dimensional planar alignment of nematic liquid crystal by direct laser writing of nanogratings
Uroš Jagodič, Jaka Pišljar, Andreja Jelen, Miha Škarabot, Igor Muševič
Izvirni znanstveni članek
Oznake: tekoči kristali;3D tiskanje;laserji;3D printing;liquid crystals;alignment layer;direct laser writing;
We demonstrate a new method of aligning liquid crystals along polymer surfaces that are printed vertical to the focal plane using direct laser writing. The method is based on nanogrooves that are imprinted into surfaces of polymer structures and provide robust, reliable, repeatable, and well-control ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Intracellular biocompatible hexagonal boron nitride quantum emitters as single-photon sources and barcodes
Aljaž Kavčič, Rok Podlipec, Ana Krišelj, Andreja Jelen, Daniele Vella, Matjaž Humar
Izvirni znanstveni članek
Oznake: heksagonalni borov nitrid;vir enofotonskih delcev;barvni centri;žive celice;spektralne črtne kode;označevanje celic;hexagonal boron nitride;single-photon source;color centers;live cells;spectral barcodes;cell tagging;
Color centers in hexagonal boron nitride (hBN) have been emerging as a multifunctional platform for various optical applications including quantum information processing, quantum computing and imaging. Simultaneously, due to its biocompatibility and biodegradability hBN is a promising material for b ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Primitive icosahedral quasicrystals in ZnMgLi(Dy, Ho, Er, Tm) systems
Ireneusz Buganski, Stanislav Vrtnik, R. Strzałka, Andreja Jelen, Sandra Drev, J. Wolny, N. Fujita
Izvirni znanstveni članek
Oznake: kvazikristali;quasicrystals;
New quasicrystals with rare-earth elements and Li are synthesized with the selfflux method. The starting composition involves 62.8 at.% Zn, 28.6 at.% Mg, 3.6 at. % rare-earth and 5% Li. Alternatively, 66 at.% Zn, 24.8 at.% Mg, 3.9 at.% rare-earth and 5.3% Li can be used. Both syntheses result in qua ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Nano and micro-structural complexity of nematic liquid crystal configurations
Andreja Jelen, Maha Zid, Kaushik Pal, Remya Rajan Renuka, Dejvid Črešnar, Samo Kralj
Izvirni znanstveni članek
Oznake: kontinuirano lomljenje simetrije;vzorci;topološke napake;tekoči kristali;continuous symmetry breaking;patterns;topological defects;nematic liquid crystals;
Of our interest are frustration-driven pattern generating mechanisms in systems which in bulk equilibrium display spatially homogeneous long-range orientational order in absence of perturbations. As testbed material, we select thermotropic nematic liquid crystals. In bulk, they exhibit weakly discon ...
Leto: 2024 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
The Ammann–Kramer–Neri tiling model of a P-ZnMgEr Bergman-type quasicrystal based on in-house X-ray diffraction
Ireneusz Buganski, Stanislav Vrtnik, Andreja Jelen, Jože Luzar, R. Strzałka, J. Wolny, Joachim Kusz, N. Fujita
Izvirni znanstveni članek
Oznake: quasicrystals;structure solution;Bergman phase;Amman-Kramer- Neli tiling;
This study presents the atomic structure solution of a primitive icosahedral Zn70.83Mg20.31Er8.86 quasicrystal using in-house X-ray diffraction and the Ammann–Kramer–Neri tiling framework. The structural model with 344 parameters refined against 2674 Bragg peaks achieves a reasonable R factor of 0.1 ...
Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Complex magnetism of single-crystalline AlCoCrFeNi nanostructured high-entropy alloy
Primož Koželj, Andreja Jelen, Goran Dražić, Stanislav Vrtnik, Jože Luzar, Magdalena Wencka, Anton Meden, M. Feuerbacher, Janez Dolinšek
Izvirni znanstveni članek
Oznake: kompleksni magnetizem;visokoentropijske zlitine;nanostrukturirane zlitine;complex magnetism;high-entropy alloys;nanostructured alloys;
We have investigated magnetism of the Al28Co20Cr11Fe15Ni26 single-crystalline high-entropy alloy. The material is nanostructured, composed of a B2 matrix with dispersed spherical-like A2 nanoparticles of average diameter 64 nm. The magnetism was studied from 2 to 400 K via direct-current magnetizati ...
Leto: 2023 Vir: Institut Jožef Stefan (IJS)
Crystal structure and ferromagnetism of the CeFe[sub]9Si[sub]4 intermetallic compound
Primož Koželj, Stanislav Vrtnik, Jože Luzar, Andreja Jelen, Sorour Semsari Parapari, Magdalena Wencka, Sašo Šturm, Janez Dolinšek
Izvirni znanstveni članek
Oznake: crystal structure;diffraction;magnetic properties;phase transitions;intermetallic compounds;
We have determined the crystal structure and the magnetic state of the CeFe9Si4 intermetallic compound. Our revised structural model (fully ordered tetragonal unit cell, I4/ mcm) agrees with the previous literature report, except for some minor quantitative differences. Magnetically, the CeFe9Si4 un ...
Leto: 2023 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Spin glass effects and nonexistence of a ferromagnetic quantum critical point in the compositionally tuned FeGa[sub](3−x)Ge[sub]x metallic quantum ferromagnets (x = 0.0 − 0.16)
Stanislav Vrtnik, Primož Koželj, Magdalena Wencka, Kristian Bader, Julia Petrović, Jože Luzar, Peter Mihor, Andreja Jelen, Peter Gille, Janez Dolinšek
Izvirni znanstveni članek
Oznake: frustrated magnetism;quantum phase transitions;specific heat;quantum critical point;
Spin glass effects and nonexistence of a ferromagnetic quantum critical point in the compositionally tuned ▫$FeGa_{3−x}Ge_x$▫ metallic quantum ferromagnets (x = 0.0 − 0.16)
Leto: 2025 Vir: Institut Jožef Stefan (IJS)
Structure and spin-glass magnetism of the Fe[sub](1.5)Ni[sub](1.5)Ga[sub]4 metallic alloy
Krishnendu Buxi, Rahul Pan, Zvonko Jagličić, Andreja Jelen, Jože Luzar, Peter Mihor, Stanislav Vrtnik, Primož Koželj, Julia Petrović, Janez Dolinšek
Izvirni znanstveni članek
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Leto: 2026 Vir: Institut Jožef Stefan (IJS)
Št. zadetkov: 24
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