Dr. Maximilian Kessel

- magnetron sputter epitaxy (MSE) of piezoelectric thin films - applying AlScN for sensing and telecommunication

- project management - material development (ferroelectric and piezoelectric AlScN, epitaxial Molybdenum) - process development (magnetron sputter epitaxy, rapid thermal annealing) - quality management

- built up the laboratory for molecular beam epitaxy (MBE) - put vacuum equipment (UHV) into operation

- molecular beam epitaxy (MBE) of HgCdTe thin films and nanowires - X-ray and electron diffraction analysis - maintenance of vacuum growth chambers (UHV) - scanning electron microscopy and electron beam lithography - fabrication of sub-micron scale electronics - operating Helium dilution refrigerators - electrical characterization of superconducting junctions - supervision of student projects - project and conference planning - teaching in condensed matter physics for undergraduate students

- molecular beam epitaxy (MBE) of Mercury-Cadmium-Telluride thin films - maintenance of vacuum systems (UHV) - X-ray and electron diffraction - process development and material characterization

- employed as intern (03-04/2010), Bachelor student (05-07/2010) and assistant (07/2010-06/2011). - fabrication of semiconductor lasers - process development and characterization - dielectric coating by sputtering - maintenance of sputter chambers - optical characterization (FTIR)

Fabrication and characterization of novel junctions combining semiconductor nanowires, topological insulators and superconductors. Thesis: “HgTe shells of CdTe nanowires: A low-dimensional topological insulator from crystal growth to quantum transport”

The studies covered material science, applied physics and physics of condensed matter with focus on semiconductor devices. Bachelors thesis on sputtered deposition of dielectric thin films for semiconductor lasers. Master thesis on epitaxy and characterization of crystalline II-VI thin films.