44 citations · 171 across the 25 of their papers we have counts for
26 papers
Hydrogen at GaN(0001) surface control of Fermi level pinning: Mg activation of p-type conductivity -- Nakamura process deciphered
Konrad Sakowski, Pawel Strak, Pawel Kempisty +2
Ab initio calculations were used to disentangle the mystery of Nakamura activation of p-type in Mg doped MOVPE grown gallium nitride, the key process leading to the 2014 Nobel Priz…
Role of quasi-Fermi levels in Si- and Mg-related optical absorption in nitride laser diodes (LDs): material context
Konrad Sakowski, Cyprian Sobczak, Pawel Strak +5
Optical absorption and reabsorption of light emitted from active regions in nitride laser diodes (LDs) have been shown to reduce the light extraction efficiency of these devices. I…
Twin Domains in 111 oriented {CdO/MgO} superlattices: homoepitaxy versus heteroepitaxy
Ewa Przeździecka, Aleksandra Wierzbicka, Abinash Adhikari +1
The structural properties of (111)-oriented {CdO/MgO} superlattice structures grown on c-sapphire and cubic MgO substrates have been studied by high resolution X-ray diffraction. T…
Fundamentals of the metal contact to p-type GaN: new multilayer design
Konrad Sakowski, Paweł Strak, Stanislaw Krukowski
Electrical properties of contact to p-type nitride semiconductor devices, based on gallium nitride were simulated by ab initio and by drift-diffusion calculations. The contact elec…
Strain distribution in GaN/AlN superlattices grown on AlN/sapphire templates: comparison of X-ray diffraction and photoluminescence studies
Aleksandra Wierzbicka, Agata Kaminska, Kamil Sobczak +5
Series of GaN/AlN superlattices (SLs) with various periods and the same thicknesses of GaN quantum wells and AlN barriers have been investigated. X-ray diffraction, photoluminescen…
Quantum effects in surface diffusion: application to diffusion of nitrogen adatoms over GaN(0001) surface
Paweł Strak, Cyprian Sobczak, Stanislaw Krukowski
It is shown that quantum effects play determining role in nitrogen adatom diffusion due to several different factors. This could be related to the change of the energy of the quant…