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Q-NET young researchers

Robert Jan BUDA
E.C. Stoner Laboratory, University of Leeds, Leeds, United Kingdom
Male, Polish

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Diplomas:
puce  Master of Science, Engineer in technical physics/nanotechnology, Gdansk University of Technology 

Field of research:
hjg Growth of epitaxial graphene (UHV and Ar atmosphere), device fabrication, magnetotransport and spin transport measurements

Research experience:

Characterisation of nano-sized crystallines of rare-earth oxides (Summer project, 2 months), Institute of Low temperature and Structure Research, Polish Academy of Science, Wroclaw

Deposition and characterisation of ferroelectric thin films (Master project, 6 months), National Institute for Laser, Plasma and Radiation Physics, Bucharest

Thesis Project:
Epitaxial graphene for nanoelectronic devices

The objectives of this project are to optimise growth conditions of epitaxial graphene and to measure its properties, such as carrier concentration, carrier mobility, magnetotransport properties and spin transport properties. For the growth of the material two methods are used, namely annealing in UHV (base pressure 10-10 mbar) and annealing in Ar atmosphere. After choosing optimal growth conditions (by using AFM, Raman spectroscopy and conducting transport measurements to confirm the high quality of the material), a set of devices will be fabricated and characterised, such as spin valves, quantum dots, Aharonov-Bohm rings. This should allow us to observe long spin diffusion lengths and long spin lifetimes, recently confirmed in epitaxial graphene by B. Dlubak et al.1

  1. B. Dlubak et al., Highly efficient spin transport in epitaxial graphene on SiC, Nature Physics 8, 557–561 (2012)
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