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Linguistica Lettica, Nr. 32
(LU Latviešu valodas institūts, 2023)Žurnāla “Linguistica Lettica” 32. numura tēma ir “Minot Jāņa Endzelīna pēdās”. The theme of issue 32 of the journal “Linguistica Lettica” is “In the Footsteps of Jānis Endzelīns”. -
Jauno vēsturnieku zinātniskie lasījumi, IX
(LU Akadēmiskais apgāds, 2024)Izdevumā publicēti 18 raksti, kuru pamatā ir 2023. gada 1. un 2. decembrī Latvijas Universitātes (LU) Latvijas vēstures institūta un Valmieras muzeja sadarbībā ar Vītauta Dižā Universitāti Kauņā, Lietuvas Vēstures institūtu ... -
Linguistica Lettica, Speciālizlaidums 2024 : Veltījumkrājums Laimutei Balodei
(LU Latviešu valodas institūts, 2024)Zinātniskā žurnāla “Linguistica Lettica” speciālizlaidums veltīts Latvijas Universitātes Latviešu valodas institūta vadošās pētnieces Laimutes Balodes jubilejai. Veltījumkrājumā apkopoti gan zinātniskie raksti par pētījumiem ... -
Linguistica Lettica, Nr. 31/2
(LU Latviešu valodas institūts, 2023)Zinātniskā žurnāla „Linguistica Lettica” 31. numura divās daļās publicēti raksti, kas tapuši uz XIII Starptautiskajā baltistu kongresā nolasīto referātu pamata. The two parts of the 31st issue of the scientific journal ... -
Linguistica Lettica, Nr. 31/1
(LU Latviešu valodas institūts, 2023)Zinātniskā žurnāla „Linguistica Lettica” 31. numura divās daļās publicēti raksti, kas tapuši uz XIII Starptautiskajā baltistu kongresā nolasīto referātu pamata. The two parts of the 31st issue of the scientific journal ... -
Atomic physics, optical technologies, and medical physics: Book of Abstracts, February 15-16, 2024
(LU Atomfizikas un spektroskopijas institūts, 2024-04-05)82nd International Scientific Conference of the University of Latvia Section ‘Atomic physics, optical technologies and medical physics’ was held by Institute of Atomic Physics and Spectroscopy on 15-16.02.2024. It consisted ... -
Etnogrāfs, sabiedrība, māksla, 1940–1990: LU 82. starptautiskās zinātniskās konferences sekcijas tēzes, 2024. gada 22. marts
(LU Latvijas vēstures institūts, 2024-03-22)Krājumā apkopotas 2024. gada 22. martā Latvijas Universitātes 82. starptautiskās zinātniskās konferences ietvaros LU Latvijas vēstures institūta (LU LVI) organizētās sekcijas “Etnogrāfs, sabiedrība, māksla, 1940–1990” ... -
Variation of Nonlinear Refraction and Three-Photon Absorption of Indium–Tin Oxide Quantum Dot Thin Films and Solutions in Near Infrared Range
(MDPI, 2023)We characterize the nonlinear optical properties of indium–tin oxide (ITO) quantum dots (QDs) in the IR range using the Z-scan method. We present results of three-photon absorption (3PA), third harmonic generation (3HG), ... -
Ultrafast Laser Writing in Different Types of Silica Glass
(Wiley, 2023)It is demonstrated that ultrafast laser writing in silica glass depends on the grade of silica glass associated with the method of its manufacture. Moreover, laser-written modifications, in particular birefringent ... -
Ultraviolet Exposure Improves SERS Activity of Graphene-Coated Ag/ZrO2 Substrates
(MDPI, 2023)This study reveals a significant improvement in surface-enhanced Raman scattering (SERS) activity of Ag/ZrO2 substrates covered with a few-layer graphene preliminary exposed to ultraviolet (UV) light. The SERS-active ... -
Tribological and Micromechanical Properties of the Nanostructured Carbonitride/Nitride Coatings of Transition Metals Alloyed by Hf and Nb
(MDPI, 2023)In this article, the fabrication, characterization, tribological performance, and micromechanical properties of nanostructured smart coatings (NSC) based on the multilayered alternating carbonitride/nitride bilayer ... -
Thermoluminescent and Dosimetric Properties of Zirconium Dioxide Ceramics Irradiated with High Doses of Pulsed Electron Beam
(MDPI, 2023)Thermoluminescent (TL) properties of monoclinic zirconium dioxide ceramics were studied in order to assess the possibility of their use for measuring high doses (on the order of kGy) of pulsed electron beams (130 keV). Two ... -
Thermal Oxidation of Tungsten Coatings for Detection by Infrared Spectrometry Method
(IOP Publishing, 2023)Physical vapor deposition (PVD) of metallic thin films is used extensively in the fabrication of semiconductor technology devices - use as of lately for them have grown. Tungsten (W) is a low resistivity, refractory metal, ... -
Temperature and E-Poling Evolution of Structural, Vibrational, Dielectric, and Ferroelectric Properties of Ba1−xSrxTiO3 Ceramics (x = 0, 0.1, 0.2, 0.3, 0.4 and 0.45)
(MDPI, 2023)Lead-free Ba1−xSrxTiO3 (BST) (x = 0, 0.1, 0.2, 0.3, 0.4 and 0.45) ceramics were successfully prepared via the solid-state reaction route. A pure perovskite crystalline structure was identified for all compositions by X-ray ... -
The Impact of Graphene in Na2FeP2O7/C/Reduced Graphene Oxide Composite Cathode for Sodium-Ion Batteries
(MDPI, 2023)This study presents a thorough investigation of Na2FeP2O7 (NFP) cathode material for sodium-ion batteries and its composites with carbon and reduced graphene oxide (rGO). Our findings demonstrate that rGO sheets improve ... -
Synthesis of NaYF4:Yb3+, Tm3+ Nanocrystals Via the Thermal Decomposition Method Using Refined Sunflower Oil
(Sciendo, 2023)In recent years, up-conversion luminescence nanoparticles have attracted significant attention from researchers in fields such as analytical chemistry (for example qualitative and quantitative analysis of metal and non-metal ... -
Study of Metal Leaching from Printed Circuit Boards by Improved Electrochemical Hydrochlorination Technique Using Alternating Current
(MDPI, 2023)This paper presents the results of the leaching of metals from computer PCBs by electrochemical hydrochlorination using alternating current (AC) with an industrial frequency (50 Hz). Leaching was carried out with a ... -
Selective Patterned Growth of ZnO Nanoneedle Arrays
(Sciendo, 2023)Nanostructured coatings are widely used to improve the sensitivity of various types of sensors by increasing the active surface area compared to smooth films. However, for certain applications (in some cases), it may be ... -
NV microscopy of thermally controlled stresses caused by thin Cr2O3 films
(Optica Publishing Group, 2023)Many modern applications, including quantum computing and quantum sensing, use substrate-film interfaces. Particularly, thin films of chromium or titanium and their oxides are commonly used to bind various structures, such ... -
Reactive pulsed direct current magnetron sputtering deposition of semiconducting yttrium oxide thin film in ultralow oxygen atmosphere: A spectroscopic and structural investigation of growth dynamics
(Elsevier, 2023)An experimental investigation was conducted to explore spectroscopic and structural characterization of semiconducting yttrium oxide thin film deposited at 623 K (±5K) utilizing reactive pulsed direct current magnetron ...
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