Zobrazeno 1 - 10
of 465
pro vyhledávání: '"P. Grzegory"'
Autor:
Strak, Pawel, Kempisty, Pawel, Sakowski, Konrad, Piechota, Jacek, Grzegory, Izabella, Monroy, Eva, Kaminska, Agata, Krukowski, Stanislaw
Fundamental properties of spontaneous and piezo polarization are reformulated and critically reviewed. It was demonstrated that Landau definition of polarization as a dipole density could be used to the infinite systems. The difference between the bu
Externí odkaz:
http://arxiv.org/abs/2407.01134
Autor:
Sakowski, Konrad, Strak, Pawel, Kempisty, Pawel, Piechota, Jacek, Grzegory, Izabella, Perlin, Piotr, Monroy, Eva, Kaminska, Agata, Krukowski, Stanislaw
Defect-mediated nonradiative recombination, known as Shockley-Read-Hall (SRH) recombination is reformulated. The introduced model considers Coulomb attraction between charged deep defect and the approaching free carrier, showing that this effect may
Externí odkaz:
http://arxiv.org/abs/2310.11823
Autor:
Krukowski, Stanislaw, Sakowski, Konrad, Strak, Paweł, Kempisty, Paweł, Piechota, Jacek, Grzegory, Izabella
Publikováno v:
Progress in Crystal Growth and Characterization of Materials - 6 September 2022; 68 :100581
Step pattern stability of the vicinal surfaces during growth was analyzed using various surface kinetic models. It was shown that standard analysis of the vicinal surfaces provides no indication on the possible step coalescence and therefore could no
Externí odkaz:
http://arxiv.org/abs/2203.11825
Autor:
Konrad Sakowski, Pawel Strak, Pawel Kempisty, Jacek Piechota, Izabella Grzegory, Piotr Perlin, Eva Monroy, Agata Kaminska, Stanislaw Krukowski
Publikováno v:
Materials, Vol 17, Iss 18, p 4581 (2024)
A nonradiative recombination channel is proposed, which does not vanish at low temperatures. Defect-mediated nonradiative recombination, known as Shockley–Read–Hall (SRH) recombination, is reformulated to accommodate Coulomb attraction between th
Externí odkaz:
https://doaj.org/article/6ab727453cec4f758c5eeff9bf9bded8
Autor:
Iza Gorczyca, Tadek Suski, Piotr Perlin, Izabella Grzegory, Agata Kaminska, Grzegorz Staszczak
Publikováno v:
Materials, Vol 17, Iss 16, p 4022 (2024)
Using the example of III–V nitrides crystallizing in a wurtzite structure (GaN, AlN, and InN), this review presents the special role of hydrostatic pressure in studying semiconductor properties. Starting with a brief description of high-pressure te
Externí odkaz:
https://doaj.org/article/027fb1246fcb42e48947d018d64ba6e9
Publikováno v:
AIP Advances, Vol 14, Iss 4, Pp 040704-040704-15 (2024)
This Review provides a thorough description of the experimental progress on the InN family and other relevant compounds. Although InN is of great interest, many of its properties are not well understood and are still puzzling researchers with a numbe
Externí odkaz:
https://doaj.org/article/3ff32d4852ba4f7683e15bcfd6c9b239
Autor:
Ahmad, Ashfaq, Strak, Pawel, Kempisty, Pawel, Sakowski, Konrad, Piechota, Jacek, Kangawa, Yoshihiro, Grzegory, Izabella, Leszczynski, Michal, Zytkiewicz, Zbigniew R., Muziol, Grzegorz, Monroy, Eva, Krukowski, Stanislaw, Kaminska, Agata
In this work, we study the emergence of polarization doping in AlxGa1-xN layers with graded composition from a theoretical viewpoint. We demonstrate that the charge conservation law applies for fixed and mobile charges separately, leading to nonlocal
Externí odkaz:
http://arxiv.org/abs/2106.01029
Ab Initio Molecular Dynamics Insight to Structural Phase Transition and Thermal Decomposition of InN
Autor:
Jacek Piechota, Stanislaw Krukowski, Bohdan Sadovyi, Petro Sadovyi, Sylwester Porowski, Izabella Grzegory
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 15, p 8281 (2024)
Extensive ab initio density functional theory molecular dynamics calculations were used to evaluate stability conditions for relevant phases of InN. In particular, the p-T conditions of the thermal decomposition of InN and pressure-induced wurtzite
Externí odkaz:
https://doaj.org/article/f72987e6e09046799f10def79f7d7c7b
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