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Strontium isotope composition: : insights into geological and environmental influences on the provenance studies of dairy products and timber

Author(s): Majda Nikezić (Author), Tea Zuliani (Supervisor)

Year: 2024

Type: Doctoral dissertation

This dissertation aimed to explore the potential of Sr isotope ratio analysis, combined with multi-elemental profiling, as a tool for geographic discrimination, focusing on two projects: tracing the provenance of cheese/milk from Naxos, Greece (Project 1), and wood in the Eastern Carpathians, Romania (Project 2). The goal was to understand …

Room-temperature fabrication of electroceramic composites

Author(s): Nina Kuzmić (Author), Srečo Davor Škapin (Supervisor), Matjaž Spreitzer (Co-Supervisor), Heli Jantunen (Co-Supervisor)

Year: 2024

Type: Doctoral dissertation

In the scope of this thesis, I focused on SrTiO3 (ST)-based dielectric ceramic composites as a lead-free perovskite material, which holds great potential for use in various electronic components. Such materials are large-scale and fabricated under high energy requirements, indicating an increasing need for a more environmentally friendly processing method. …

Tracing origin of food using stable isotopes of light and heavier elements

Author(s): Staša Hamzić Gregorčič (Author), Nives Ogrinc (Supervisor), Tea Zuliani (Co-Supervisor)

Year: 2024

Type: Doctoral dissertation

This dissertation examines two main topics. The first topic is focused on the potential of strontium (Sr) isotope analysis to characterise milk and truffles as selected food commodities, traditionally important for Slovenia. The 87Sr/86Sr ratio for determining the provenance of bovine milk and truffles originating from different regions of Slovenia …

Synthesis and characterization of perovskite nanostructures

Author(s): Kristina Žagar (Author), Miran Čeh (Supervisor)

Year: 2011

Type: Doctoral dissertation

Polycrystalline, BaTiO3 nanorods and SrTiO3 nanotubes were synthesized by the electrophoretic deposition (EPD) of a barium titanate sol and a strontium titanate sol into 2D ordered anodic aluminium oxide templates (AAO) with a subsequent thermal treatment and template removal. The BaTiO3 nanorods grown within the AAO template membranes had diameters …