81 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Polish Academy of SciencesPL26 papers
- University of WarsawPL21 papers
- Brno University of TechnologyCZ14 papers
- Institute of MathematicsPL12 papers
- Institute of PhysicsPL12 papers
- National Institute of Technology DurgapurIN12 papers
- Warsaw University of TechnologyPL11 papers
- Institute of High Pressure PhysicsPL8 papers
- Jagiellonian UniversityPL7 papers
- Institute of Nuclear Physics, Polish Academy of SciencesPL6 papers
- University of Silesia in KatowicePL6 papers
- Częstochowa University of TechnologyPL5 papers
18 papers · 1 filter
Helix alignment, chevrons, and edge dislocations in twist-bend ferroelectric nematics
Bijaya Basnet, Priyanka Kumari, Sathyanarayana Paladugu +6
We explore surface alignment and edge dislocations in the recently discovered twist-bend ferroelectric nematic, NTBF, in which the vector of spontaneous polarization follows an obl…
Quantum Size Effect in Optically Active Indium Selenide Crystal Phase Heterostructures Grown by Molecular Beam Epitaxy
Piotr Wojnar, Maciej Wojcik, Piotr Baranowski +9
Indium selenide attracts the interest due to its outstanding electronic and optical properties which are potentially prospective in view of applications in electronic and photonic…
Selective reflection of light in glassforming ternary liquid crystalline mixtures
Aleksandra Deptuch, Zuzanna Zając, Marcin Piwowarczyk +4
Two ternary liquid crystalline mixtures are formulated and investigated by differential scanning calorimetry, polarizing optical microscopy, X-ray diffraction, and broadband dielec…
Electrically reconfigurable extended lasing state in an organic liquid-crystal microcavity
Dmitriy Dovzhenko, Luciano Siliano Ricco, Krzysztof Sawicki +12
Small-footprint, low-power arrays of coupled coherent emitters with the capability of near- and far-field engineering and coherence control are highly sought after to meet modern n…
New self-organized benzo[b]thiophene-based materials for GHz applications
Agnieszka Mieczkowska, Jakub Herman, Natan Rychlowicz +2
This research delves into the synthesis and characterization of novel liquid crystal compounds derived from benzo[b]Ithiophene cores, focusing on their potential applications in mi…
Banana DNA derivatives as homeotropic alignment layers in optical devices
Rafał Węgłowski, Anna Spadło, Dorota Węgłowska
In this study, deoxyribonucleic acid (DNA) from bananas was extracted and functionalized and used for the first time as a homeotropic alignment layer for liquid crystals (LCs). Our…
Terahertz magnon-polaritons control using a tunable liquid crystal cavity
Dmitriy Yavorskiy, Jan Suffczyński, Rafał Kowerdziej +4
Strong coupling of light to a collective spin excitation in antiferromagnets gives rise to hybrid modes called magnon-polaritons. They are highly promising for data manipulation an…
Low-energy excitations in multiple modulation-doped CdTe/(CdMg)Te quantum wells
D. Yavorskiy, F. Le Mardelé, I. Mohelsky +6
Low energy excitations of a two-dimensional electron gas (2DEG) in modulation-doped multiple (ten) quantum wells (QWs) was studied using far-infrared magneto-transmission technique…
Channel impulse response peak clustering using neural networks
Petr Horky, Ales Prokes, Radek Zavorka +4
This paper introduces an approach to process channel sounder data acquired from Channel Impulse Response (CIR) of 60GHz and 80GHz channel sounder systems, through the integration o…
Comparative analysis of clustering methods for power delay profile in MMW bands and in-vehicle scenarios
Radek Zavorka, Ales Prokes, Josef Vychodil +6
The spatial statistics of radio wave propagation in specific environments and scenarios, as well as being able to recognize important signal components, are prerequisites for depen…
Channel modeling for 60 GHz fixed mmWave O2I and O2O uplink with angular misalignment
Nitisha Singh, Sahaj K. Jha, Aniruddha Chandra +8
In this letter, we examine the effect of misalignment angle on cluster-based power delay profile (PDP) modeling for a 60 GHz millimeter-wave uplink. The analysis uses real-world da…
Power angular spectrum versus Doppler spectrum -- Measurements and analysis
Jan M. Kelner, Cezary Ziolkowski, Michal Kryk +9
In this paper, we present an empirical verification of the method of determining the Doppler spectrum (DS) from the power angular spectrum (PAS). Measurements were made for the fre…
Spectral efficiency for mmWave downlink with beam misalignment in urban macro scenario
Jaroslaw Wojtun, Cezary Ziolkowski, Jan M. Kelner +7
In this paper, we analyze the spectral efficiency for millimeter wave downlink with beam misalignment in urban macro scenario. For this purpose, we use a new approach based on the…
Low-temperature structural study of smectic C* glass by X-ray diffraction
Aleksandra Deptuch, Marcin Kozieł, Marcin Piwowarczyk +2
The liquid crystalline compound, forming the glass of the smectic C* phase, is investigated by the X-ray diffraction in the 18-298 K range. The characteristic distances within…
Ferroelectricity in the nematic liquid crystal under the direct current electric field
Mateusz Mrukiewicz, Paweł Perkowski, Jakub Karcz +1
We investigated the electrical properties of the liquid crystal compound, known as an RM734, exhibiting a ferroelectric nematic phase. The influence of alternating (AC) and direct…
Glassforming liquid crystalline equimolar mixtures of MHPOBC and fluorinated compounds -- structural, optical, and dielectric properties
Aleksandra Deptuch, Anna Paliga, Anna Drzewicz +2
Three liquid crystalline equimolar mixtures are formulated, each containing the MHPOBC compound and the homolog from the 3FmHPhF6 series with m = 4, 5, and 6. The properties of the…
Dual tunability of selective reflection by light and electric field for self-organizing materials
Mateusz Mrukiewicz, Martin Cigl, Paweł Perkowski +3
The oblique helicoidal structure is formed in right-angle cholesterics under the applied electric field. The electric field changes the pitch and cone angle but preserves the singl…
Optically trapped exciton-polariton condensates in a perovskite microcavity
Maciej Zaremba, Mateusz Kędziora, Laura Stańco +8
We demonstrate room temperature optical trapping and generation of high-order angular harmonics in exciton-polariton condensates in a monocrystalline CsPbBr perovskite-filled m…