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2025. gads

LU CIETVIELU FIZIKAS INSTITŪTA 41. STARPTAUTISKĀ ZINĀTNISKĀ KONFERENCE

Latvijas Universitātes Cietvielu fizikas institūta 41. starptautiskā zinātniskā konference (LU 83. zinātniskās konferences ietvaros) norisinājās no 2025. gada 3. līdz 7. martam.

Konferencē tika aplūkoti šādi temati:

  • Optiskie materiāli
  • Organiskie materiāli
  • Materiāli pielietojumiem enerģētikā
  • Mikro un nano materiālu izstrāde
  • Struktūra un morfoloģija
  • Teorija un modelēšana
  • Plānās kārtiņas un pārklājumi
  • Nanomateriāli
  • Ierīces un prototipi

Konferences programma un tēzes

ORGANIC MATERIALS AND DEVICES 

(Chair: Mārtiņš Rutkis)

09:00 - 09:15Raitis GrzibovskisStudy of novel indacene tetraone fragment containing electron acceptor materials for ternary organic solar cells
09:15 - 09:30Marta LiedskalniņaInvestigation of light amplification for new DCM derivatives in the red-infrared region
09:30 - 09:45Kirills DmitrijevsITIC structure conversion to D-A-D and A’-D-A-D-A’ type non-fullerene acceptors for organic solar cell application
09:45 - 10:00Anete BērziņaInkjet printing for heterogeneous polymer photonic structures
10:00 - 10:15Margarita ZommereIntroduction to Organic Single-Photon Sources for Quantum Photonics
10:15 - 10:45COFFEE BREAK

NANOMATERIALS. MICRO AND NANOFABRICATION

(Chair: Ainārs Ozols)

10:45 - 11:00Helēna OseFabrication of Submicron Structures via Double Exposure UV Lithography
11:00 - 11:15Kaspars JaundzemsSimultaneous in situ dielectric and crystallographic temperature dependent measurements
11:15 - 11:30Miļena DileSynthesis of ZnS/ZnO and ZnO/ZnS core-shell nanoparticles via microwave-assisted solvothermal method
11:30 - 11:45Aleksandrs NovikovsNovel Terpineol-Based Silver Inks: Comparison of Ink-Jet Printing and Selective Laser-Sintering Methods for Use in Fast Prototyping of Thin Film Electronic Devices
11:45 - 12:00Pavels OnufrijevsApplication of Laser Technology in GeSn Epitaxial Layers
 

THIN FILMS AND RELATED TECHNOLGIES

(Chair: Juris Purāns)

09:00 - 09:30Tomas KubartReactive High Power Impulse Magnetron Sputter Deposition (invited)
09:30 - 09:45Mahtab Salari MehrAtomic Layer Deposition, Mechanical Properties, and Wear Resistance of Ternary (Cr1-xAlx)2O3 Films
09:45 - 10:00Emija ĻetkoDeposition of photochromic YHO thin films by magnetron sputtering and their characterization
10:00 - 10:15Edvards StrodsOptical and photochromic properties of YHO/MoO3 thin films
10:15 - 10:30Tamara TsebriienkoStructural and optical properties of thermochromic V1-xRexO2 thin films obtained by DC magnetron sputtering
10:30 - 11:00COFFEE BREAK

THIN FILMS AND RELATED TECHNOLGIES

(Chair: Juris Purāns)

11:00 - 11:15Ēriks DipānsPlanar n-Ga2O3/p-GaN ultraviolet light detector
11:15 - 11:30Luīze DipānePreparation of MoSe2 an WSe2 shells around ZnSe nanowires via magnetron sputtering and selenization
11:30 - 11:45Gusts AgafonovsContact method for obtaining core-shell structures in lead-free ferroelectric ceramics
 

MATERIALS FOR ENERGY APPLICATIONS

(Chair: Gints Kučinskis)

09:00 - 09:30Emiliana FabbriCatalyst/Electrolyte Interfacial Transformations: Key Descriptors Governing the Oxygen Evolution Reaction at Different pHs (invited)
09:30 - 09:45Mārtiņš VanagsDecoupled Water Electrolysis: Prospects and Challenges
09:45 - 10:00Līga GrīnbergaSustainable Hydrogen Production from Aluminium Waste
10:00 - 10:15Raitis SikaDependence of hydrogen production efficiency on pyrolysis temperature and catalyst presence
10:15 - 10:45COFFEE BREAK

MATERIALS FOR ENERGY APPLICATIONS

(Chair: Gints Kučinskis)

11:15 - 11:30Laura JērāneInfluence of Inactive Components in Symmetric Supercapacitor Cells on Electrochemical Measurements
10:45 - 11:00Dāvis KalniņšElectrochemical performance of wood-derived carbon materials for supercapacitors
11:00 - 11:15Rita LeimaneAl₂O₃ protective coating for cycle life extension of Na₀.₆₇MnO₂ cathode material in Na ion batteries
11:30 - 11:45Paula MalnačaThe effect of magnetron sputtering deposited Al2O3 protective coating on NCM811 lithium-ion battery cathode cycling stability
 

DEVICES AND PROTOTYPES

 

09:00 - 09:30Nikola MiskovicA way forward in marine robotics (invited)
09:30 - 10:00Alfredo MartinsDeep-sea – Materials challenges from a robotics oriented perspective (invited)
10:00 - 10:15Gunita PaidereHigh surface area electrochemical microfluidic biosensor based on interlocked polymer micropillar array
10:15 - 10:30Edmunds ZutisSurface functionalization of ITO for dual-mode hypoxia associated cancer biomarker detection
10:30 - 10:45Paul AnnusTemTA43 - Novel solutions for clinical monitoring of soft tissues
10:45 - 11:00Alberts KristiņšHealth status analyzers and Fraud
11:00 - 11:30COFFEE BREAK

OPTICAL MATERIALS. MICRO AND NANOFABRICATION

(Chair: Aivars Vembris)

11:30 - 12:00Alessio BaldazziCharacterization and applications of integrated photon pair sources (invited)
12:00 - 12:30Alexandr BelosludtsevInvestigation of metal mirrors for space communication applications (invited)
12:30 - 12:45Andris OzolsLaser light coherence and hologram recording efficiency
12:45 - 13:15COFFEE BREAK

OPTICAL MATERIALS. MICRO AND NANOFABRICATION

(Chair: Aivars Vembris)

13:15 - 13:30Čiro Federiko TipaldiCharacterization of performance of various SERS substrates synthesized with different methods
13:30 - 13:45Līga IgnatāneNanoparticle Formation from Au Thin Film on Flat and Patterned Silicon Surface
13:45 - 14:00Adriana MauručaiteThe applications of organic low molecular weight compounds in thermoelectric composite systems with Sb2Te3 nano and microparticles
14:00 - 14:15Oskars BitmetsImprovement of long term stability and reduced oxidation with HCl treatment for Sb2Te3/PEO hybrid thermoelectrical materials
 

STRUCTURE AND MORPHOLOGY. THEORY AND MODELLING

(Chair: Andris Anspoks)

09:00 - 09:15Alexei KuzminMaterials thermometry using EXAFS spectroscopy
09:15 - 09:30Pjotrs ŽgunsFine-tuning and validating universal machine learning interatomic potentials on the example of tungsten disulfide
09:30 - 09:45Inga PudzaStudy of the local atomic structure in silver selenide
09:45 - 10:00Rostislav RostovskijModelling of defect processes in yttrium orthosilicate crystals
10:00 - 10:15Ilya ChervyakovComputational study of elastic and electronic properties of A₂SiF₆ (A = Na, K, Cs) hexafluorosilicates under hydrostatic pressure
10:15 - 10:30Igors MihailovsCalculation of second hyperpolarizabilities: a factorial-designed study
10:30 - 11:00COFFEE BREAK

LUMINESCENCE AND RADIATION DEFECTS

(Chair: Andris Antuzevičs)

11:00 - 11:15Andris AntuzevičsInvestigation of paramagnetic radiation-induced defect centres in lithium orthosilicate-lithium metatitanate ceramics
11:15 - 11:30Linards SkujaEPR study of  13C carbon isotope-implanted SiO2 glass
11:30 - 11:45Anatolijs TruhinsFeatures of luminescence of self-trapped exciton in crystalline quartz. The role of treatment in oxygen or hydrogen
11:45 - 12:00Dace ŅilovaInvestigation and characterisation of persistent luminescence in Ca2Al2SiO7:Ce3+
12:00 - 12:30COFFEE BREAK

LUMINESCENCE AND RADIATION DEFECTS

(Chair: Andris Antuzevičs)

12:30 - 12:45Pāvels RodionovsCr3+ doped CaAl12O19 phosphor for temperature and pressure sensing
12:45 - 13:00Jēkabs CīrulisEPR of neutron-radiation-induced defects in GGG
13:00 - 13:15Artur BogachovLuminescence properties of embedded perovskite CsPbBrxI3-x nanoparticles
13:15 - 13:30Madara KļaveInvestigation of electroluminescence in ZnS:Mn thick films, obtained by microwave-assisted solvothermal synthesis method