Browsing B6 – LU institūti un aģentūras / Institutes and agencies of the UL by Title
Now showing items 407-426 of 1020
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Interface-induced enhancement of piezoelectricity in the (SrTiO 3 ) m /(BaTiO 3 ) M−m superlattice for energy harvesting applications
(Royal Society of Chemistry, 2019)We present the results of a detailed first principles study of the piezoelectric properties of the (SrTiO3)m/(BaTiO3)M−m heterostructure using the 3D STOm/BTOM−m superlattice model. The atomic basis set, hybrid functionals ... -
International Conference "Contentious Collections in Central and Eastern Europe: The Legacy of Ethnographic Shows and Beyond", 26–27 October 2023, Institute of Latvian History, University of Latvia
(University of Latvia, 2023)Researchers in history, cultural heritage studies, ethnography and anthropology, art and museology, at different stages of their career are gathered in Riga for the international conference co-organized by the Institute ... -
International Scientific Conference "Socio-Political and Religious Ideas and Movements in the 20th-21st Centuries", Latvia, Riga, 4-5 October 2018 : Abstracts
(LU Filozofijas un socioloģijas institūts, 2018-10-04)The conference facilitated the exchange of ideas and the results of the latest studies on the reciprocity and significance of religious and socially political ideas (ideologies) in contemporary society. In the modern-day ... -
Interpretation of the Cu K-edge EXAFS spectra of Cu3N using ab initio molecular dynamics
(Elsevier Ltd, 2020)Cubic copper nitride (Cu3N) has anti-perovskite structure, and its properties are strongly affected by anisotropic thermal vibrations of copper atoms. Ab initio molecular dynamics (AIMD) simulations were performed in the ... -
The interrelationship of religion and magic in the experience of Latvians in Timofeyevka, Siberia
(Estonian Literary Museum of Scholarly Press, 2014) -
Intersubjectivity or Interexistentiality? Kierkegaard’s Conception of Existential Communicaton
(European Humanities University, 2014) -
Intrinsic Photoconductivity Spectral Dependence as a Tool for Prediction of Open-Circuit Voltage in Organic Solar Cells
(MDPI, 2023)Organic materials are known for their variety of molecules. Methods to predict the parameters of organic photovoltaic (OPV) cells are required to avoid the time- and resource-consuming processes of manufacturing and testing ... -
Investigation of lanthanum substitution effects in yttrium aluminium garnet: importance of solid state NMR and EPR methods
(Springer, 2020-12-06)In this study, yttrium aluminium garnet (YAG) specimens in which yttrium was partially substituted by lanthanum Y3-xLaxAl5O12 (YLaAG) were prepared by an aqueous sol-gel method. YLaAG samples were analyzed by X-ray diffraction ... -
Investigation of Nonlinear Optical Processes in Mercury Sulfide Quantum Dots
(MDPI, 2022)The authors report the third-harmonic generation, nonlinear refraction, and nonlinear absorption in HgS quantum dot (QD) suspensions and films using the nanosecond and femtosecond pulses. High conversion efficiency (7 × ... -
Investigation of osmotic shock effect on pulsed electric field treated S. cerevisiae yeast cells
(Nature Research, 2023)Pulsed electric field (PEF) treatment is known to cause plasma membrane permeabilization of microorganisms, an effect known as electroporation. PEF treatment is very attractive since it can achieve permeabilization with ... -
Investigation of photoluminescence and amplified spontaneous emission properties of cyanoacetic acid derivative (KTB) in PVK amorphous thin films
(SPIE, 2018)In this work photoluminescence and amplified spontaneous emission properties of new original 2-cyanoacetic acid derivative in different concentration mixed in polyvinyl carbazole (PVK) matrix were investigated. Ethyl ... -
Investigation of precipitate in an austenitic ODS steel containing a carbon-rich process control agent
(Elsevier Ltd, 2018)Austenitic oxide dispersion strengthened (ODS) steels are one of the candidates as a structural material for high-temperature applications in future power plants. To guarantee the necessary high production yield, the ... -
Investigation of the Effect of PbO Doping on Telluride Glass Ceramics as a Potential Material for Gamma Radiation Shielding
(MDPI, 2023)The purpose of this paper is to study the effect of PbO doping of multicomponent composite glass-like ceramics based on TeO2, WO3, Bi2O3, MoO3, and SiO2, which are one of the promising materials for gamma radiation shielding. ... -
Investigation of the Efficiency of Shielding Gamma and Electron Radiation Using Glasses Based on TeO2-WO3-Bi2O3-MoO3-SiO to Protect Electronic Circuits from the Negative Effects of Ionizing Radiation
(MDPI, 2022)This article considers the effect of MoO3 and SiO additives in telluride glasses on the shielding characteristics and protection of electronic microcircuits operating under conditions of increased radiation background or ... -
Investigations in intensification of grain drying by active ventilation applying ozone
(Latvia University of Life Sciences and Technologies, 2020)The article presents an analysis of the previous research on the use of ozone for intensified active ventilation of grain and develops a methodology for experiments to evaluate the usefulness of ozone utilisation in ... -
Ion track template technique for fabrication of ZnSe2O5 nanocrystals
(Elsevier B.V., 2020)ZnSe2O5 nanocrystals with an orthorhombic structure were synthesized by electrochemical deposition into a-SiO2/n-Si ion track template formed by 200 MeV Xe ion irradiation with the fluence of 107 ions/cm2. The lattice ... -
Ion-Track Template Synthesis and Characterization of ZnSeO3 Nanocrystals
(MDPI, 2022)ZnSeO3 nanocrystals with an orthorhombic structure were synthesized by electrochemical and chemical deposition into SiO2/Si ion-track template formed by 200 MeV Xe ion irradiation with the fluence of 107 ions/cm2 . The ... -
Is the Phenomenon of Revelation Possible? An Evaluation of Jean-Luc Marion’s Response
(LU Filozofijas un socioloģijas institūts, 2013) -
ITO Thin Films for Low-Resistance Gas Sensors
(MDPI, 2023)Indium tin oxide thin films were deposited by magnetron sputtering on ceramic aluminum nitride substrates and were annealed at temperatures of 500 °C and 600 °C. The structural, optical, electrically conductive and ...