Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Witkowski, B. S."'
Autor:
Adhikari, A., Lysak, A., Wierzbicka, A., Sybilski, P., Reszka, A., Witkowski, B. S., Przezdziecka, E.
Publikováno v:
Materials Science in Semiconductor Processing (2022)
Unlike other II-VI semiconductors, CdO-based transparent oxide has great potential application for the fabrication of many optoelectronic devices. In this work, we study the growth of CdxMg1-xO alloys on m- and on c-plane sapphire substrates in Cd-ri
Externí odkaz:
http://arxiv.org/abs/2302.07030
Publikováno v:
Acta Physisca Polonica A 2023
The development of CdMgO ternary alloy with a single cubic phase is challenging but meaningful work for technological advancement. In this work, we have grown a series of Cd1-xMgxO ternary random alloys with various Mg concentrations (x = 0, 30, 32,
Externí odkaz:
http://arxiv.org/abs/2210.11785
Akademický článek
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Autor:
Łukasiewicz, M. I., Wójcik-Głodowska, A., Guziewicz, E., Wolska, A., Klepka, M. T., Dłużewski, P., Jakieła, R., Łusakowska, E., Kopalko, K., Paszkowicz, W., Wachnicki, Ł., Witkowski, B. S., Lisowski, W., Krawczyk, M., Sobczak, J. W., Jabłoński, A., Godlewski, M.
Publikováno v:
Semiconductor Science and Technology 27 (2012) 074009
Despite many efforts the origin of a ferromagnetic (FM) response in ZnMnO and ZnCoO is still not clear. Magnetic investigations of our samples, not discussed here, show that the room temperature FM response is observed only in alloys with a non-unifo
Externí odkaz:
http://arxiv.org/abs/1308.2057
Autor:
Godlewski, M., Łukasiewicz, M. I., Guziewicz, E., Ivanov, V. Yu., Owczarczyk, Ł., Witkowski, B. S.
Publikováno v:
Optical Materials 34 (2012) 2045-2049
Optical and magneto-optical properties of ZnCoO films grown at low temperature by Atomic Layer Deposition are discussed. Strong wide band absorption, with onset at about 2.4 eV, is observed in ZnCoO in addition to Co-related intra-shell transitions.
Externí odkaz:
http://arxiv.org/abs/1308.2050
Autor:
Sawicki, M., Guziewicz, E., Lukasiewicz, M. I., Proselkov, O., Kowalik, I. A., Lisowski, W., Dluzewski, P., Wittlin, A., Jaworski, M., Wolska, A., Paszkowicz, W., Jakiela, R., Witkowski, B. S., Wachnicki, L., Klepka, M. T., Luque, F. J., Arvanitis, D., Sobczak, J. W., Krawczyk, M., Jablonski, A., Stefanowicz, W., Sztenkiel, D., Godlewski, M., Dietl, T.
Publikováno v:
Phys. Rev. B 88, 085204 (2013)
A series of (ZnO)m(CoO)n digital alloys and superlattices grown by atomic layer deposition has been investigated by a range of experimental methods. The data provide evidences that the Co interdiffusion in the digital alloy structures is sufficient t
Externí odkaz:
http://arxiv.org/abs/1201.5268
Autor:
Gieraltowska, S., Sztenkiel, D., Guziewicz, E., Godlewski, M., Luka, G., Witkowski, B. S., Wachnicki, L., Lusakowska, E., Dietl, T., Sawicki, M.
Publikováno v:
Acta Physica Polonica A 119 (2011) 333-336
We report on an extensive structural and electrical characterization of under-gate dielectric oxide insulators Al2O3 and HfO2 grown by Atomic Layer Deposition (ALD). We elaborate the ALD growth window for these oxides, finding that the 40-100 nm thic
Externí odkaz:
http://arxiv.org/abs/1107.5401
Autor:
Godlewski, M., Guziewicz, E., Lukasiewicz, M. I., Kowalik, I. A., Sawicki, M., Witkowski, B. S., Jakiela, R., Lisowski, W., Sobczak, J. W., Krawczyk, M.
Publikováno v:
physica status solidi (b) 248 (2011) 1596
We demonstrate that room temperature ferromagnetic response (RT FR) of ZnCoO films grown at low temperature by the Atomic layer Deposition (ALD) method is due to Co metal accumulations at the ZnCoO/substrate interface region. The accumulated experime
Externí odkaz:
http://arxiv.org/abs/1107.5188
Akademický článek
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Publikováno v:
Acta Physica Polonica: A. Feb2022, Vol. 141 Issue 2, p135-139. 5p.