MSc Projects
We can offer exciting experimental and theoretical MSc projects suitable for students with a background in physics, nano, electrical engineering or mathemathics.
Integration of Vertical InAs Nanowire Transistors on Si using Template Assisted Selective Epitaxy. In this project we use a novel Si CMOS compatible technique to expitaxially grow InAs on metal films and fabricate vertical MOSFETs. The project is experimental, focusing both on material development, device processing and electrical characterisation. Please contact Mattias Borg (mattias.borg@eit.lth.se) for more information.
Ferroelectric Materials and Devices for Neuromorphic Computing. In this project, a ferroelectric oxide HfZrO4 is studied for use ferroelectric tunnel junction memristors. The project is experimental, focusing both on material development, device processing and electrical characterisation. Please contact Mattias Borg (mattias.borg@eit.lth.se) for more information.
Memristor-based Neuromorphic Computing. In this project we model the performance of memristor devices at a system level, evaluating the impact of device variations and other non-linearities on performance in machine learning use-cases. This is a simulation project that can be performed in collaboration with Ericsson Research. Please contact Mattias Borg (mattias.borg@eit.lth.se) for more information.
Power Electronic Devices. In this project you will take part in the development of device suitable for high power applications, based on novel materials such as AlGaN and Ga2O3. We offer master projects within fabrication, measurement and device modeling. The project is performed within the C3NIT centre with strong ties to industry. Please contact Erik Lind (Erik.Lind@eit.lth.se) for more information.
Quantum Technology. We work with advanced devices on hybrid semiconductor-superconductor structures, for applications within quantum technologies. We can offer projects with device fabrication and characterization, as well as modeling, both on fundamental physics and circuit design level. Please contact Erik Lind (Erik.Lind@eit.lth.se) for more information.
Electrical and Thermal Characterisation of GaN MOSFETs. Self-heating degrades the performance of transistors and it is therefore vital to obtain an understanding of their thermal behaviour during operation. In this project you will perform electrical characterization of vertical fin GaN MOSFETs for power electronics. Pulsed IV and gate thermometry will be used to evaluate the effect of self-heating. The project is performed within the C3NIT/ACT centers with strong ties to industry. Please contact Erik Lind (Erik.Lind@eit.lth.se) for more information.
Power Amplifiers Based on Vertical III-V Nanowire MOSFETs. Space-based solar cells can be used to harvest energy that can be wirelessly transferred by microwaves to power other satellites in orbit. Energy transfer requires power amplifiers connected to a phased array antenna to precisely steer the microwave beam direction. In this project you will investigate the system link budget and evaluate power amplifiers designs based on vertical InAs/InGaAs nanowire MOSFETs. The aim is to achieve suitable energy efficiency for in orbit wireless power transfer of solar energy. Please contact Lars Fhager (lars.fhager@eit.lth.se) for more information.
Optimization of III-V Nanowire Epitaxy for Large Area Dimension and Composition Control. InAs/InGaAs nanowires, used for transistors and circuits, are grown from Au particles using metal-organic vapor phase epitaxy. To obtain a high device yield it is crucial that the nanowire dimensions and compositions are uniform over a sample, especially as the processing is scaled up to 100 mm wafers. In this project you will grow nanowires and evaluate them using scanning electron microscopy and X-ray diffraction and perform statistical analysis. Please contact Johannes Svensson (johannes@eit.lth.se) for more information.
Optimization of Atomic Layer Deposition for Ferroelectric Thin Films for Neuromorphic Device Applications. Ferroelectric materials have a tunable polarization state that can be exploited for numerous applications such as memristors and low power transistors. A major challenge is to achieve the ferroelectric crystal phase due to the impact of ALD parameters, contact strain and annealing temperature. In this project you will fabricate metal-ferroelectric-metal planar capacitors using a few established process steps focusing on optimizing the deposition parameters. The capacitors will be electrically characterized using pulsed IV and capacitor-voltage measurements. Please contact Lars-Erik Wernersson and André Andersen (lars-erik.wernersson@eit.lth.se, andre.andersen@eit.lth.se ) for more information.
Cryogenic Electrical Characterization of III-V Nanowire Tunnel Field-Effect Transistors (TFETs). Tunnel field effect transistors, that rely on quantum mechanical tunneling as an energy filter for electrons, enable very low power operation due to the steep switching slopes. Such devices are thus ideal for low power circuits and sensors. In this project you will perform electrical DC characterization of vertical nanowire TFETs at cryogenic temperatures down to 30K. Statistical analysis of the peak current density as a function of temperature will enable evaluation of the impact of doping the source region of the devices. Please contact Lars-Erik Wernersson (lars-erik.wernersson@eit.lth.se) for more information.
Drone Radar Systems. Low frequency radar array antennas with many elements can become very big, due to the nominal half-wavelength spacing between the antenna elements. This can be realized by using a swarm of drones. Each drone would carry a radar system, for instance realized using a software defined radio unit, which could take care of both the radar function and communication links (or possibly separating communication into a different system). The radars can either be independent and their individual complex range-Doppler maps can be combined to localize targets, or they can be synchronized to form a coherent MIMO radar with flexible aperture. The central processing can be done at a base station or mothership drone. Some master thesis topics could be 1) identify the radar, communication, and synchronization RF requirements and implement their functionality in an SDR, 2) design an antenna suitable for the low frequency and being possible to carry on a drone without impairing its flying ability, and investigate the implications for the radar system of using a sparse array (widely separated drones). Please contact Daniel Sjöberg (daniel.sjoberg@eit.lth.se) for more information.
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