Sökning: "4H-SiC"
Visar resultat 36 - 40 av 85 avhandlingar innehållade ordet 4H-SiC.
36. Novel Layered and 2D Materials for Functionality Enhancement of Contacts and Gas Sensors
Sammanfattning : Chemical gas sensors are widely-used electronic devices for detecting or measuring the density levels of desired gas species. In this study, materials with established or potential applications for gas sensors are treated. LÄS MER
37. Bipolar Silicon Carbide Integrated Circuits for High Temperature Power Applications
Sammanfattning : Silicon Carbide (SiC) is suggested as a superior material for high temperature and high power electronic applications, thanks to its excellent properties. In this thesis, design and measurements of integrated circuits in bipolar 4H-SiC aiming for high temperature power applications are reported. LÄS MER
38. Fabrication Technology for Efficient High Power Silicon Carbide Bipolar Junction Transistors
Sammanfattning : The superior characteristics of Silicon Carbide as a wide band gap semiconductor have motivated many industrial and non-industrial research groups to consider SiC for the next generations of high power semiconductor devices. The SiC Bipolar Junction Transistor (BJT) is one candidate for high power applications due to its low on-state power loss and fast switching capability. LÄS MER
39. High growth rate epitaxy of SiC: growth processes and structural quality
Sammanfattning : Silicon carbide (SiC) is a promising wide-bandgap semiconductor for applications such as high-power devices, high-voltage switches, high-temperature electronics and microwave components. The prospect of using this material is a large driving force for improving the material growth which is still quite immature in comparison with established semiconductor materials (e. LÄS MER
40. Growth and characterization of SiC and GaN
Sammanfattning : At present, focus of the SiC crystal growth development is on improving the crystalline quality without polytype inclusions, micropipes and the occurrence of extended defects. The purity of the grown material, as well as intentional doping must be well controlled and the processes understood. LÄS MER