Wszystkie pola: DJ-S. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Polarization-Induced Band Inversion in In-Rich InGaN/GaN Quantum Wells
Autorzy:: Łepkowski, S.
Bardyszewski, W.
Rodak, D.
Powiązania:: https://bibliotekanauki.pl/articles/1195356.pdf
Data publikacji:: 2014-11
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 73.21.Fg
73.22.Dj
Opis:: We theoretically study the polarization-induced band inversion phenomenon in c-plane In-rich InGaN/GaN quantum wells. Our calculations performed using the k·p method with the 8×8 Rashba-Sheka-Pikus Hamiltonian for the structures with the indium content between 90% and 100% show that the reordering of the conduction and valence bands occurs for the quantum well widths below the theoretical values of critical thickness for InGaN layers pseudomorphically grown on GaN substrates.
Źródło:: Acta Physica Polonica A; 2014, 126, 5; 1154-1155
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Influence of Geometric-Confinement Parameters on the Electronic Properties of Quantum Ring
Autorzy:: Moskal, S.
Spisak, B. J.
Powiązania:: https://bibliotekanauki.pl/articles/2047364.pdf
Data publikacji:: 2007-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 73.23.Ra
73.22.Dj
73.43.Cd
Opis:: We investigate the electronic properties of the quantum rings modelled by a two-dimensional non-singular potential with the cylindrical symmetry as well as the influence of the potential's parameters on energy spectra. In the presence of the external magnetic field we also calculated the persistent currents in such structures in the ballistic regime.
Źródło:: Acta Physica Polonica A; 2007, 112, 1; 101-112
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Electron and Exciton Quasi-Stationary s-States in Open Spherical Quantum Dots
Autorzy:: Tkach, M.
Seti, Ju.
Voitsekhivska, O.
Powiązania:: https://bibliotekanauki.pl/articles/1419890.pdf
Data publikacji:: 2012-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 71.15.Dx
73.21.La
73.22.Dj
73.90.+f
Opis:: The theoretical calculation of spectral parameters of electron and exciton quasi-stationary s-states in open spherical quantum dot is performed within the effective mass approximation and rectangular potentials model. The conceptions of probability distribution functions (over quasi-momentum or energy) of electron location inside of quantum dot and their spectral characteristics: generalized resonance energies and widths are introduced. It is shown that the generalized resonance energies and widths, obtained within the distribution functions, satisfy the Heisenberg uncertainty principle for the barrier widths varying from zero to infinity. At the same time, the ordinary resonance energies and widths defined as complex poles of scattering S-matrix, do not satisfy it for the small barrier widths and, therefore, are correct only for the open quantum dots with rather wide potential barriers.
Źródło:: Acta Physica Polonica A; 2012, 122, 1; 207-211
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

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