Thesis subjects for students

Students are very welcome to discuss with group members about potential thesis subjects. The topics listed below might provide a starting point.

BSc thesis topics:
– Comparison of crystalline silicon and polysilicon properties (Kiteisen ja monikiteisen piin ominaisuuksien vertailu);
– Simulation of silicon dioxide structures using classical potentials (Piidioksidin rakenteen syntymisen simulointi klassisilla potentiaaleilla);
– Comparison of different classical interatomic potentials (Klassisten atomipotentiaalien vertailu);
– Basics of VASP DFT calculations (DFT VASP laskujen perusteet);
– Differences between classical and quantum mechanical material physics (Klassisesen ja kvanttimekaanisen materiaalifysiikan erot);
– Multiscale modeling in materials physics (Moniskaalamallinnus materiaalifysiikassa);
– Polysilicon in modern devices (Monikiteisen piin merkitys nykyteknologiassa);
– Effect of the interface between silicon and silicon dioxide in semiconductor devices (Pii–piidioksidi-rajapinnan vaikutukset puolijohdelaitteissa);
– Different mathematical methods for identifying atomic environments (Atomiympäristöjen tunnistaminen laskennallisesti);
– Metal resistivity changes in nanoscale objects (Metallin resistiivisyyden muutoksia nanorakenteissa);
– Why semiconductor surface cleaning is so difficult (Miksi puolijohdemateriaalien pintojen puhdistus on vaikeaa);
– Doping methods for semiconductor surfaces (Puolijohteiden piristysmenetelmiä);
– Power semiconductor chips for electrical vehicles (Tehoelektroniikan puolijohdesirut sähköautoissa);
– New silicon TOPcon solar cells (Uusien tehokkaiden piiaurinkokennojen rakenne);
– Use of ultrahigh vacuum in semiconductor industry (Tyhjiötekniikan käyttö puolijohdeteollisuudessa);
– SiC emergent semiconductor material in industry (Piikarbidipuolijohteen sovelluksia);
– Space solar cells (Avaruudessa käytettävät aurinkokennot).

MSc thesis topics:
– Visualization and analysis of silicon grain structure from MD Simulations;
– Grain boundary effects on electrical conductivity in polysilicon;
– Modeling simple MOS structure using equivalent circuits;
– Modeling of polysilicon conductivity from grain structure to device level;
– Impact of grain boundary states in silicon on CPW Losses;
– Equivalent circuit models for CPWs;
– Using Elmer to model charge concentrations in semiconductors;
– Simulation of Charge Trapping at Grain Boundaries
– Simulations of SiC surface structures;
– Simulations of metal-oxide-semiconductor capacitors;
– Measurements of surface defects at SiC surface and their passivation;
– Nickel-SiC contact interfaces: manufacturing and characterization;
– Preparation and characterization of platinum-silicon alloy for infrared sensors;
– Measurements of ultrathin silicon films on insulator (SOI).

PhD thesis topics: (many MSc subjects can be also extended to PhD)
– Simulations of semiconductor doping at surface areas;
– Research and development of metal contacts on ultrathin silicon-on-insulator (SOI) films;
– Manufacturing and characterization of Ohmic contacts on AlN;
– Oxidation of SiC and AlN surfaces: computational research;
– Particle irradiation induced material defects in semiconductors.

 

Kuva: Hanna Oksanen / Turun yliopiston viestintä