Browsing Moksliniai ir apžvalginiai straipsniai / Research and Review Articles by Study direction "C02 - Fizika / Physics"
Now showing items 1-20 of 28
-
Absorption enhancement in hyperbolic metamaterials by means of magnetic plasma
(Applied sciences: Special issue: The newest research in novel materials, 2021)The main features of surface plasmon polaritons (SPPs) that can propagate in a metamaterial–magnetic plasma structure are studied from theoretical perspectives. Both the conventional and imaginary parts of the dispersion ... -
An asymptotic homogenization formula for complex permittivity and its application
(Advances in the theory of nonlinear analysis and its applications, 2023)The R-linear boundary value problem in a multiply connected domain on a flat torus is considered. This problem is closely related to the Riemann-Hilbert problem on analytic functions. The considered problem arises in the ... -
Angle-dependent AC susceptibility, low-field magnetoresistance and switching behaviour of La0.66Sr0.34MnO3/YSZ(001) films
(Journal of magnetism and magnetic materials, 2022)The La0.66Sr0.34MnO3 (LSMO) films with thickness 200–330 nm have been grown at 750 °C on lattice-mismatched (001)-plane oriented yttria-stabilized zirconia (YSZ) using radio frequency magnetron sputtering technique. The ... -
Beam steering with the enhanced semiconductor‑based hyperprism
(Optical and quantum electronics, 2022)To the best of our knowledge topological change of the iso-frequency surface of hyperbolic metamaterials paves the way for the unique capabilities aiming to engineer propagation of the wave. Herein, an enhanced semiconductor-based ... -
Betoninės modulinės dangos paviršiaus atspindimojo skaisčio tyrimas
(Mokslas – Lietuvos ateitis. Aplinkos inžinerija = Science – Future of Lithuania. Environmental engineering, 2022)Viena iš saugių ir patogių važiavimo automobilių keliais sąlygų yra tinkamai atspindinti ir gerai matoma naktį danga. Kelio dangos paviršiaus skaistis priklauso nuo ant jo krentančio šviesos kiekio ir kelio dangos atspindžio ... -
Blood plasma stabilized gold nanoclusters for personalized tumor theranostics
(Cancers, 2022)Personalized cancer theranostics has a potential to increase efficiency of early cancer diagnostics and treatment, and to reduce negative side-effects. Protein-stabilized gold nanoclusters may serve as theranostic agents. ... -
Certain analysis of a solid rocket motor (SRM) with modified pentagonal grain configuration
(Solid state technology, 2020)Solid propellant rocket motors (sprms) have the wide range of usage in satellite launchers. SPRM uses solid propellant grains with different types of perforations. using of perforations with cornered shapes (i.e., square, ... -
Competition between direct detection mechanisms in planar bow-tie microwave diodes on the base of InAlAs/InGaAs/InAlAs heterostructures
(Sensors: Special issue: Feature papers in physical sensors 2022, 2023)The application of the unique properties of terahertz radiation is increasingly needed in sensors, especially in those operating at room temperature without an external bias voltage. Bow-tie microwave diodes on the base ... -
Controlling surface plasmon polaritons propagating at the boundary of low-dimensional acoustic metamaterials
(Applied sciences: Special Issue Functional Metamaterials, 2021)As a novel type of artificial media created recently, metamaterials demonstrate novel performance and consequently pave the way for potential applications in the area of functional engineering in comparison to the conventional ... -
Detection of 9.5 μm CO2 laser pulses in indium doped PbTe p-n junction
(Physica B: Physics of Condensed Matter, 2021)A unique feature of the PbTe semiconductor is the growth of its forbidden energy gap with increasing temperature. This allows saving diode-typical characteristics at temperatures up to 180 K. PbTe p-n diodes were fabricated ... -
Experimental investigation of a near-field focusing performance of the IP-Dip polymer based 2D and 3D Fresnel zone plate geometries fabricated using 3D laser lithography coated with hyperbolic dispersion surface layered metamaterial
(Nanophotonics, 2023)Herein we investigate the character of the near-field emission of a two- (2D) and novel three-dimensional (3D) probe geometries fabricated using 3D direct laser writing lithography. Near-field scans in x–y and y–z planes ... -
Growth of magnetron‐sputtered ultrathin chromium films: In situ monitoring and ex situ film properties
(Coatings: Advances in optical and optoelectronic: Materials and applications, 2023)We report a systematic nanoscale investigation on the ultrathin Cr film growth process and properties. Polycrystalline metallic films were manufactured by magnetron sputtering on fused silica substrates. The film growth ... -
Hot carrier photocurrent through MOS structure
(Applied sciences, 2021)Flow of photocurrent through the metal-oxide-semiconductor structure induced by the pulsed infrared CO2 laser is investigated experimentally. In the case of a perfect insulator, the photocurrent has a photocapacitive ... -
Indirect measurement of electron energy relaxation time at room temperature in two-dimensional heterostructured semiconductors
(Materials, 2022)Hot carriers are a critical issue in modern photovoltaics and miniaturized electronics. We present a study of hot electron energy relaxation in different two-dimensional electron gas (2DEG) structures and compare the ... -
Inhomogeneous inclusions enhanced negative absorption in the plasma‑dielectric nanostructure
(Optical and quantum electronics, 2023)Lately, the negative absorption in plasma-dielectric nanostructures provided a fertile ground for the advancement of THz electronic appliances. Herein we present a plasma-dielectric nanostructure aiming to achieve enhanced ... -
Investigation of properties of surface modes at the boundary of the DNA origami lattice
(Waves in random and complex media, 2022)In this study, the models for the DNA origami lattice will be investigated. Our aim is to theoretically explore the ways of constructing DNA origami. To achieve this goal the DNA origami structure, consisting of nanowires ... -
Non local effects in cone‑shaped metamaterials
(Optical and quantum electronics, 2021)Light-matter interactions in a material may be dramatically infuenced by the features of the medium. Moreover, the electromagnetic characteristics of the material in the nearby areas may make a dramatic impact as well. ... -
On the study of advanced nanostructured semiconductor-based metamaterial
(Applied sciences: Special issue: Metamaterials meeting industry, 2022)Tunable metamaterials belonging to the class of different reconfigurable optical devices have proved to be an excellent candidate for dynamic and efficient light control. However, due to the consistent optical response of ... -
On the study of ellipsoidal nanowire metamaterials for biomedical applications
(Optical and quantum electronics, 2023)Nanowire metamaterials play a pivotal role in a wide variety of applications including antennas research field and cancer detection in clinical practice. In the following we make a step forward by investigating properties ... -
Ozono dinamikos prie intensyvaus eismo gatvės Vilniuje tyrimas
(Žmogaus ir gamtos sauga 2022: mokslo straipsnių rinkinys = Human and nature safety 2022: selected papers, 2022)Transporto priemonių poveikio aplinkai aspektai glaudžiai susiję su spartaus transporto priemonių skaičiaus didėjimu, transporto nepertraukiamais srautais, įgaunančiais linijinių taršos šaltinių pobūdį. Lietuvoje mobiliems ...