Zobrazeno 1 - 10
of 436
pro vyhledávání: '"Beke, D."'
Autor:
Kollarics, S., Simon, F., Bojtor, A., Koltai, K., Klujber, G., Szieberth, M., Márkus, B. G., Beke, D., Kamarás, K., Gali, A., Amirari, D., Berry, R., Boucher, S., Gavryushkin, D., Jeschke, G., Cleveland, J. P., Takahashi, S., Szirmai, P., Forró, L., Emmanouilidou, E., Singh, R., Holczer, K.
Publikováno v:
Carbon, Volume 188, March 2022, Pages 393-400
High concentration of negatively charged nitrogen-vacancy ($\text{NV}^{-}$) centers was created in diamond single crystals containing approximately 100 ppm nitrogen using electron and neutron irradiation and subsequent thermal annealing in a stepwise
Externí odkaz:
http://arxiv.org/abs/2110.02126
Akademický článek
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Publikováno v:
Journal of Alloys and Compounds 741 (2018) 106-115
Differential Scanning Calorimetric, DSC, runs taken during martensitic phase transformations in shape memory alloys, often look differently during cooling and heating. Similar asymmetry is observed e.g. for the numbers of hits or the critical exponen
Externí odkaz:
http://arxiv.org/abs/1801.05229
Autor:
Zaka, H., Shenouda, S. S., Fouad, S. S., Medhat, M., Katona, G. L., Csik, A., Langer, G. A., Beke, D. L.
Solid state reaction between nanocrystalline Cu and Sn films was investigated at room temperature by depth profiling with secondary neutral mass spectrometry and by X-ray diffraction. A rapid diffusion intermixing was observed leading to the formatio
Externí odkaz:
http://arxiv.org/abs/1701.01596
Autor:
Beke, D.
It is shown that, in the absence of matter fields, the coupling of a scalar field to the non-chiral Plebanski action can be obtained by relaxing the trace component of the simplicity constraints. This is realized by considering a subclass of generali
Externí odkaz:
http://arxiv.org/abs/1111.1139
A class of Petrov type D Killing spinor space-times is presented, having the peculiar property that their conformal representants can only admit Killing tensors with constant eigenvalues.
Comment: 11 pages, submitted to CQG
Comment: 11 pages, submitted to CQG
Externí odkaz:
http://arxiv.org/abs/1012.3834
Autor:
Kapta, K., Daroczi, L., Papp, Z., Beke, D. L., Langer, G. A., Csik, A., Kis-Varga, M., Greer, A. L., Barber, Z. H.
Publikováno v:
Vacuum 72 (2004) 85
Microstructure changes during annealing of nano-crystalline silver and amorphous silicon multilayers (Ag/a-Si) have been studied by X-ray diffraction and transmission electron microscopy. The dc-magnetron sputtered Ag/a-Si multilayers remained stable
Externí odkaz:
http://arxiv.org/abs/0902.2045
Autor:
Balogh, Z., Erdelyi, Z., Beke, D. L., Langer, G. A., Csik, A., Boyen, Hans-Gerd, Wiedwald, Ulf, Ziemann, P., Portavoce, A., Girardeaux, Ch.
Publikováno v:
Applied Physics Letters 92 (2008) 143104
Over the last years several experimental and theoretical studies of diffusion kinetics on the nanoscale have shown that the time evolution differs from the classical Fickian law (kc=0.5). However, all work was based on crystalline samples or models,
Externí odkaz:
http://arxiv.org/abs/0902.2046