Cietvielu fizikas institūts / Institute of Solid State Physics: Recent submissions
Now showing items 41-60 of 652
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Color Centers in BaFBr Crystals: Experimental Study and Theoretical Modeling
(MDPI, 2024)This study presents theoretical and experimental investigations into the electron and hole color centers in BaFBr crystals, characterizing their electronic and optical properties. Stoichiometric BaFBr crystals grown by the ... -
Dopant-free fluorene based dimers linked with thiophene units as prospective hole transport materials for Sb2S3 solar cells
(Royal Society of Chemistry, 2024)Novel dopant-free dimers comprising methoxydiphenylamine substituted fluorene derivatives and connected by central cores consisting of different numbers of thiophene moieties were synthesized and explored as hole transport ... -
Zinc Oxide Tetrapods Doped with Silver Nanoparticles as a Promising Substrate for the Detection of Biomolecules via Surface-Enhanced Raman Spectroscopy
(MDPI, 2024)In this study, we report the fabrication and characterization of silver nanoparticle-doped zinc oxide tetrapod substrates used for surface-enhanced Raman scattering to detect rhodamine B. Prior to this, silver nanoparticle-doped ... -
Towards Scalable Synthesis of TiSe2 and VSe2 Thin Films
(Sciendo, 2024)Transition metal dichalcogenides (TMDs), specifically those involving V and Ti, possess fascinating material properties, making them interesting candidates for scientific studies. The existing growth methods of these ... -
Temperature behavior of Ce3+ emission in (Lu,Y)2SiO5 single crystals excited by vacuum ultraviolet synchrotron light
(Elsevier B.V., 2024)Cerium doped (Lu,Y)2SiO5 (or LYSO) single crystals have been studied by means of luminescence excitation spectroscopy in the temperature range from 7 up to 300 K. Vacuum ultraviolet excitations in 4.5–8 eV energy range ... -
Temperature-dependent local structure and lattice dynamics of 1T-TiSe2 and 1T-VSe2 probed by X-ray absorption spectroscopy
(Elsevier B.V., 2024)The local atomic structure and lattice dynamics of two isostructural layered transition metal dichalcogenides (TMDs), 1T-TiSe2 and 1T-VSe2, were studied using temperature-dependent X-ray absorption spectroscopy at the Ti, ... -
X-ray absorption spectroscopy in high-entropy material research
(Elsevier, 2024)This chapter introduces the use of X-ray absorption spectroscopy (XAS) in studying the local electronic and atomic structure of high-entropy materials (HEMs). The element selectivity of XAS makes it particularly suitable ... -
Understanding the Thermoelectric Transport Properties of Organic Semiconductors through the Perspective of Polarons
(American Association for the Advancement of Science, 2024)Thermoelectric properties of organic semiconductors have been intensively studied over the last 15 years for their application in converting waste heat into electricity. Optimism in the field of organic thermoelectrics ... -
Synthesis of ZnS/Al2O3/TaSe2 Core/Shell Nanowires Using Thin Ta Metal Film Precursor
(MDPI, 2024)This study introduces a novel approach for fabricating ZnS/Al2O3/TaSe2 heterostructured core/shell nanowires (NWs) through the selenization of a metallic Ta thin film precursor. The synthesis process involves a meticulously ... -
Synthesis of Orthorhombic Tin Dioxide Nanowires in Track Templates
(MDPI, 2024)Electrochemical deposition into a prepared SiO2/Si-p ion track template was used to make orthorhombic SnO2 vertical nanowires (NWs) for this study. As a result, a SnO2-NWs/SiO2/Si nanoheterostructure with an orthorhombic ... -
Structure of Polaronic Centers in Proton-Intercalated AWO4 Scheelite-Type Tungstates
(MDPI, 2024)The studies of polaronic centers in a homologous series of scheelite-type compounds AWO4 (A = Ca, Sr, Ba) were performed using the W L3-edge and Sr K-edge X-ray absorption spectroscopy combined with the reverse Monte Carlo ... -
Synthesis and Characterization of β-Ga2O3/por-GaAs/mono-GaAs Heterostructures for Enhanced Portable Solar Cells
(Precarpathian National University, 2024)This study comprehensively details the successful synthesis of a β-Ga2O3/por-GaAs/mono-GaAs heterostructure designed for portable solar cells. Employing a combination of electrochemical etching and high-temperature oxygen ... -
Study of the Effect of Nanostructured Grains on the Radiation Resistance of Zirconium Dioxide Ceramics During Gas Swelling in the Case of High-Dose Irradiation with He2+ Ions
(Engineered Science Publisher, 2024)The paper is devoted to the study of the influence of variation of ZrO2 ceramics grain sizes on the resistance to radiation-induced swelling under irradiation with low-energy Не2+ ions. The choice of ZrO2 ceramics as objects ... -
SODIUM CITRATE AND POLYVINYLPYRROLIDONE CAPTURED SILVER NANOPARTICLES TRANSFER TO ORGANIC SOLVENTS
(Sciendo, 2024)Silver nanoparticles (NPs) have gathered extensive attention due to their properties – chemical stability, good conductivity, catalytic activity, and antimicrobial activity. This makes NPs suitable for potential applications ... -
Red Persistent Luminescence and Trap Properties of Mg2SiO4: Mn2+, M3+ (M3+ = B3+; Al3+; Ga3+; In3+) Material
(Sciendo, 2024)Persistent luminescence (PersL), also called long-lasting phosphorescence or simply afterglow, is a luminescence characterised by the emission of radiation from a few seconds to several days after the excitation source has ... -
Plasma Electrolytic Oxidation Synthesis of Heterostructured TiO2/CuxO Films for Photoelectrochemical Water Splitting Applications
(The Electrocemical Society, 2024)TiO2 is a versatile photo-/electrochemically active material that finds a wide variety of applications in industry and science alike. Its main but often overlooked advantage is the abundance of Ti in nature, as it is the ... -
Optical fiber-based open source low cost portable spectrometer system
(Elsevier Ltd, 2024)This article explores the development of a small, compact fiber-based spectrometer system designed to overcome the limitations of standard spectrometers, such as the high cost and restricted accessibility. Operated by a ... -
OptoSkin: Novel LIDAR Touch Sensors for Detection of Touch and Pressure within Wave guides
(Institute of Electrical and Electronics Engineers Inc., 2024)Light Detection and Ranging (LIDAR) sensors, employing direct Time-of-Flight (dTOF) measurements, are crucial for precise surface localization and are increasingly integrated into compact chip designs. These sensors have ... -
On the Lanthanide Effect on Functional Properties of 0.94Na0.5Bi0.5TiO3-0.06BaTiO3 Ceramic
(2024)The beneficial effects of lanthanide incorporation into 0.94Na0.5Bi0.5TiO3-0.06BaTiO3 (BNT-BT) matrix on its functional properties were investigated. The conventional solid-state method was used for synthesizing samples. ... -
Niobium-Doped Titanium Dioxide: Effect of Conductivity on Metal-Semiconductor Tribovoltaic Devices
(John Wiley and Sons Inc, 2024)Tribovoltaic devices have emerged as promising technologies for converting mechanical motion to electricity via surface charge generation. To maximize the electromechanical conversion of tribovoltaic devices, conventional ...