Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Kłopotowski, Łukasz"'
Autor:
Sikora-Dobrowolska, Bozena, Borodziuk, Anna, Kulpa-Greszta, Magdalena, Pazik, Robert, Wojciechowski, Tomasz, Sobczak, Kamil, Rybusinski, Jaroslaw, Szczytko, Jacek, Klopotowski, Lukasz
Publikováno v:
In Journal of Magnetism and Magnetic Materials 1 February 2024 591
Akademický článek
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Akademický článek
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Autor:
Baranowski, Michal, Galkowski, Krzysztof, Surrente, Alessandro, Urban, Joanna M., Klopotowski, Łukasz, Mackowski, Sebastian, Maude, Duncan K., Aich, Rim Ben, Boujdaria, Kais, Chamarro, Maria, Testelin, Christophe, Nayak, Pabitra, Dollmann, Markus, Snaith, Henry J., Nicholas, Robin J., Plochocka, Paulina
Exciton fine structure splitting in semiconductors reflects the underlying symmetry of the crystal and quantum confinement. Since the latter factor strongly enhances the exchange interaction, most work has focused on nanostructures. Here, we report o
Externí odkaz:
http://arxiv.org/abs/1909.06054
Autor:
Surrente, Alessandro, Klopotowski, Lukasz, Zhang, Nan, Baranowski, Michal, Mitioglu, Anatolie A., Ballottin, Mariana V., Christianen, Peter C. M., Dumcenco, Dumitru, Kung, Yen-Cheng, Maude, Duncan K., Kis, Andras, Plochocka, Paulina
Degenerate extrema in the energy dispersion of charge carriers in solids, also referred to as valleys, can be regarded as a binary quantum degree of freedom, which can potentially be used to implement valleytronic concepts in van der Waals heterostru
Externí odkaz:
http://arxiv.org/abs/1805.10010
Autor:
Duda, Magdalena, Joshi, Pushkar, Borodziuk, Anna, Sobczak, Kamil, Sikora-Dobrowolska, Bozena, Maćkowski, Sebastian, Dennis, Allison M., Kłopotowski, Łukasz
Publikováno v:
ACS Applied Materials & Interfaces; November 2024, Vol. 16 Issue: 44 p60008-60017, 10p
Autor:
Kazimierczuk, T., Smoleński, T., Kobak, J., Goryca, M., Pacuski, W., Golnik, A., Fronc, K., Kłopotowski, Łukasz, Wojnar, P., Kossacki, P.
We present an experimental study of electron-electron exchange interaction in self-assembled CdTe/ZnTe quantum dots based on the photoluminescence measurements. The character and strength of this interaction are obtained by simultaneous observation o
Externí odkaz:
http://arxiv.org/abs/1304.5914
Autor:
Smoleński, Tomasz, Kazimierczuk, Tomasz, Goryca, Mateusz, Jakubczyk, Tomasz, Kłopotowski, Łukasz, Cywiński, Łukasz, Wojnar, Piotr, Golnik, Andrzej, Kossacki, Piotr
Publikováno v:
Phys. Rev. B 86, 241305(R) (2012)
We demonstrate evidence for a radiative recombination channel of dark excitons in self-assembled quantum dots. This channel is due to a light hole admixture in the excitonic ground state. Its presence was experimentally confirmed by a direct observat
Externí odkaz:
http://arxiv.org/abs/1207.1237
Autor:
Kukliński, Krzysztof, Kłopotowski, Łukasz, Fronc, Krzysztof, Wiater, Maciej, Wojnar, Piotr, Rutkowski, Paweł, Voliotis, Valia, Grousson, Roger, Karczewski, Grzegorz, Kossut, Jacek, Wojtowicz, Tomasz
Publikováno v:
Appl. Phys. Lett 99, 141906 (2011)
We present photoluminescence studies of highly excited single self--assembled CdTe quantum dots under continuous--wave and pulsed excitations. We observe appearance of emission bands related to sequential filling of s--, p-- and d--shells. We analyze
Externí odkaz:
http://arxiv.org/abs/1108.0820
Autor:
Kazimierczuk, Tomasz, Smolenski, Tomasz, Goryca, Mateusz, Klopotowski, Lukasz, Wojnar, Piotr, Fronc, Krzysztof, Golnik, Andrzej, Nawrocki, Michal, Gaj, Jan, Kossacki, Piotr
Publikováno v:
Phys. Rev. B 84, 165319 (2011)
We present a comprehensive photoluminescence study of exchange interaction in self-assembled CdTe/ZnTe quantum dots. We exploit the presence of multiple charge states in the photoluminescence spectra of single quantum dots to analyze simultaneously f
Externí odkaz:
http://arxiv.org/abs/1106.5430