Struktur - egenskapsrelasjoner MIT Syntese AFM P CDW - PowerPoint PPT Presentation

Struktur - egenskapsrelasjoner MIT Syntese AFM P CDW Egenskaper Struktur

Nanoparticles for Catalysis a) Synthesis b) Characterization Pt-shell Pd core c) Metal-support catalyst Powder X-ray diffraction d) Catalytic testing Anja O. Sjåstad

Tynnfilmaktiviteter Kontroll av ladning (piezo/ferro) Batterier Komplekse Superleder oksider Grenseflater Elektrolytter Nye prosesser Fast stoff batterier Gassensorer / biosensorer Konvertere lys for solceller Hybridmaterialer Nye materialer Porøse filmer (separasjon, batteri) Bioaktive overflater Fosforer (bakterier, cellevekst)

DFT simuleringer Syntese, karakterisering, struktur BATTERIER Anodematerialer Katodematerialer Modeller Fast-stoff elektrolytter Li-ione batterier Na-ione batterier …. Elektrokjemisk karakterisering Avanserte studier/operando Synkrotronstråling(Grenoble) Struktur/faseforhold/okstrinn Diffraksjon/Spektroskopi/ Tomografi

Catalytic model surfaces for operando studies a) model d) instrument Ammonia oxidation at 2 bar, 250°C model catalyst b) preparation (UHV) See “Reactor STM at UIO, ASCAT” c) STM measurements Anja O. Oleksii e) People  Sjåstad Ivashenko

Battery materials Predicting novel functional materials Anodes/cathodes/solid electrolytes Multferroics (magnetic, ferroelectric …) - Voltages/Stability/Diffusion - Mixed anion compounds Mechanisms/interface effects - Energy harvesting SIMULATIONS Using super computers S tructure prediction Materials characterisation M aterials characterisation - Structure M aterials design for specific - Raman-IR-NMR - Phonons application Properties of complex oxides etc Bimetallic systems - Interfaces in heterostructures Nanomaterials - Optical properties; transitions Structural stability versus size - Magnetic order and interactions Physical properties

UiO NAFUMA