39th Scientific Conference of ISSP UL

The 39th Scientific Conference of the Institute of Solid State Physics, University of Latvia (within the framework of the 81st Scientific Conference of the University of Latvia) took place from 28 february to 2 march, 2023.


Conference program and thesis

   

 

Section: Micro and nanofabrication

Chairman: Anatolijs Šarakovskis

09:00 - 09:30 Nils Nordell Electrum Laboratory, a resource for science and innovation
09:30 - 09:45 Kārlis Grindulis Organ-on-Chip suitable for hypoxia and decreased drug absorption
09:45 - 10:00 Arnita Spule Development of a real-time cellular barrier integrity monitoring system in PDMS-free lung-on-chip devices
10:00 - 10:15 Gunita Paidere Development of PDMS-free microfluidic device for extracellular vesicle separation
10:15 - 10:30 Jānis Čipa Fabrication of passive microfluidics mixing device based on off-stoichiometric thiol-ene and Cyclic olefin copolymer
10:30 - 11:00   COFFEE BREAK
   

 

Section: Organic materials

Chairman: Aivars Vembris

11:00 - 11:15 Anete Bērziņa Third-harmonic generation in DMABI and PMMA guest-host thin films
11:15 - 11:30 Patrīcija Paulsone Energy transfer between Alq3 and DCM derivatives and their application in amplified spontaneous emission
11:30 - 11:45 Margarita Anna Zommere Solvent premixing deposition method to improve OLED preparation efficiency
11:45 - 12:00 Kitija Alise Štucere Light emission mechanism in dimers of carbene–metal–amide complexes
12:00 - 12:15 Oskars Bitmets Conductive PEDOT:PSS and PEO for flexible electronic applications
12:15 - 13:30   LUNCH BREAK
   

 

Section: Materials for energy applications

Chairman: Guntars Vaivars

13:30 - 13:45 Līga Grīnberga Low carbon hydrogen in energetics
13:45 - 14:00 Ramona Dūrena 2.4 V Open-Circuit Potential Aqueous Zn-MnO2 Rechargeable Battery with pH gradient hydrogel electrolyte
14:00 - 14:15 Roberts Oliņš Development and study of nanostructured carbon material electrodes  for electrochemical cells
14:15 - 14:30 Liga Britala Fast Determination of the Stage of Ageing of Lithium-Ion Batteries Based on Simple Electrochemical Measurements
14:30 - 14:45 Rihards Verpejs Lithium-Ion Battery calendar ageing in different storage temperatures
14:45 - 15:00 Mairis Iesalnieks Use of ultra-small TiO2 anatase nanoparticles in energy application
   

 

Section: Structure and Morphology

Chairman: Andris Anspoks

09:00 - 09:30 Alexei Kuzmin Local atomic structure of ZnS:M (M=Mn, Cu) nanoparticles probed by x-ray absorption spectroscopy
09:30 - 09:45 Julija Lukasevica EXAFS study of NiO lattice dynamics using reverse Monte Carlo and force field methods
09:45 - 10:00 Vitalijs Dimitrijevs Study of lattice dynamics in metals with hexagonal structure by EXAFS spectroscopy combined with reverse Monte-Carlo simulations
10:00 - 10:15 Mārcis Lielbārdis Use of a neural network to determine the radial distribution function from the EXAFS spectrum
10:15 - 10:30 Ojārs Mārtiņš Eberliņš Electrocaloric effect in (1-x)Na0.5Bi0.5TiO3-xBaTiO3 solid solutions at high electric fields
10:30 - 11:00   COFFEE BREAK
   

 

Section: Theory and modelling

Chairman: Dmitrijs Bočarovs

11:00 - 11:15 Reinis Ignatans Analysis of angle resolved low-loss electron energy-loss spectra of the dielectric BaTiO3
11:15 - 11:30 Jēkabs Cīrulis Local structure of an oxygen impurity and fluorine vacancy complex in LiYF4
11:30 - 11:45 Jurijs Grecenkovs Predicting lattice constants of chalcopyrites from ionic radii and electronegativities
11:45 - 12:00 Andrejs Cesnokovs Atomistic insight into proton migration barriers in BaFeO(3-δ)
12:00 - 12:15 Elīna Neilande Calculations of OH- group adsorption on TiO2 surface from first principles
12:15 - 13:30   LUNCH BREAK
   

 

Section: Thin films / Nanomaterials

Chairman: Juris Purāns

13:30 - 13:45 Subimal Majee Digital printing activities at RISE for printed electronics applications
13:45 - 14:00 Boris Polyakov Comparison of the Resistivities of Nanostructured Films Made from Silver, Copper-Silver and Copper Nanoparticles and Nanowires
14:00 - 14:15 Aleksandrs Novikovs Red, blue and green perovskite nanoparticle solution preparation for inkjet printing
14:15 - 14:30 Kevon Kadiwala Different strategies for GaN-MoS2 and GaN-WS2 core–shell nanowire growth
14:30 - 14:45 Luīze Dipāne Preparation of functional Ga2S3 and Ga2Se3 shells around Ga2O3 nanowires via sulfurization or selenization
14:45 - 15:00 Viktorija Paramonova Studies of silver nanoprism synthesis repeatability using various fabrication methods
   

 

Section: Optical materials

Chairman: Jurģis Grūbe

09:00 - 09:30 Linards Skuja Fluorine-related paramagnetic point defects in SiO2 glasses
09:30 - 09:45 Pavels Rodionovs Luminescence and EPR of Cr3+ centres in CaAl12O19
09:45 - 10:00 Dace Nilova Ultraviolet persistent luminescence and defect properties in Ca2Al2SiO7:Pr3+
10:00 - 10:15 Čiro Federiko Modelling of SERS substrates using the finite element method, optimisation & experimental planning
10:15 - 10:30 Madara Leimane Incorporation of carbon in C+ ion-implanted silica glass
10:30 - 10:45 Anatolijs Truhins Oxygen treatment of copper-doped α-quartz crystal effect on luminescence
10:45 - 11:00   COFFEE BREAK
   

 

Section: Equipment and devices

Chairman: Pēteris Lesničenoks

11:00 - 11:15 Edgars Cimbars State of radiopharmacy in Latvia
11:15 - 11:30 Alberts Kristiņš About the project “The Internet of Things system for diagnosing of conditionally pathogenic bacteria, monitoring and limiting the use of antibiotics”
11:30 - 11:45 Paul Annus Effective ultrasonic NDE using simultaneous excitation and adaptive signal processing
11:45 - 12:00 Kaspars Pudzs Development of X-ray sensitive hybrid organic-inorganic systems based on tungstates
12:00 - 12:15 Rūdolfs Pikšens Chromium Luminescence in Plasma Electrolytic Oxidation Coatings on Aluminum Surface
12:15 - 13:30   LUNCH BREAK
   

 

Section: Thin films / Nanomaterials

Chairman: Gints Kučinskis

13:30 - 13:45 Rihards Ruska A review of rare-earth-free nanomaterials with potential applications in biomedicine
13:45 - 14:00 Edvards Strods Ga2O3 and ZnGa2O4 thin films deposited by liquid metal target sputtering
14:00 - 14:15 Viktors Vibornijs Modification of WO3/Cu/WO3 anti-microbial coatings
14:15 - 14:30 Alise Podelinska Characterization of TiO2 nanocrystals synthesized by different methods
14:30 - 14:45 Milena Dile The effect of surfactant on the structure and properties of ZnS:Cu nanoparticles
14:45 - 15:00 Olof Sjödin Design and fabrication of photonic crystal surface-emitting lasers for telecom and sensing