Zobrazeno 1 - 10
of 1 496
pro vyhledávání: '"Guinea F"'
Autor:
Shilov, A. L., Kashchenko, M. A., Pantaleón, P. A., Kravtsov, M., Kudriashov, A., Zhan, Z., Taniguchi, T., Watanabe, K., Slizovskiy, S., Novoselov, K. S., Fal'ko, V. I., Guinea, F., Bandurin, D. A.
Publikováno v:
ACS Nano 2024
Twist-controlled moire superlattices (MS) have emerged as a versatile platform in which to realize artificial systems with complex electronic spectra. Bernal-stacked bilayer graphene (BLG) and hexagonal boron nitride (hBN) form an interesting example
Externí odkaz:
http://arxiv.org/abs/2311.05124
Autor:
Mesple, F., Walet, N. R., de Laissardière, G. Trambly, Guinea, F., Dosenovic, D., Okuno, H., Paillet, C., Michon, A., Chapelier, C., Renard, V. T.
The study of moir\'e engineering started with the advent of van der Waals heterostructures in which stacking two-dimensional layers with different lattice constants leads to a moir\'e pattern controlling their electronic properties. The field entered
Externí odkaz:
http://arxiv.org/abs/2308.13230
Publikováno v:
Phys. Rev. Research 6, 013165 (2024)
Theoretical and experimental studies have verified the existence of ``magic angles'' in twisted bilayer graphene, where the twist between layers gives rise to flat bands and consequently highly correlated phases. Narrow bands can also exist in multil
Externí odkaz:
http://arxiv.org/abs/2305.18080
Autor:
Mesple, F., Missaoui, A., Cea, T., Huder, L., de Laissardière, G. Trambly, Guinea, F., Chapelier, C., Renard, V. T.
Publikováno v:
Phys. Rev. Lett. 127, 126405 (2021)
The moir\'e of twisted graphene bilayers can generate flat bands in which charge carriers do not posses enough kinetic energy to escape Coulomb interactions with each other leading to the formation of novel strongly correlated electronic states. This
Externí odkaz:
http://arxiv.org/abs/2012.02475
Autor:
Woods, C. R., Ares, P., Nevison-Andrews, H., Holwill, M. J., Fabregas, R., Guinea, F., Geim, A. K., Novoselov, K. S., Walet, N. R., Fumagalli, L.
When two-dimensional crystals are brought into close proximity, their interaction results in strong reconstruction of electronic spectrum and local crystal structure. Such reconstruction strongly depends on the twist angle between the two crystals an
Externí odkaz:
http://arxiv.org/abs/2010.06914
Autor:
Ares, P., Cea, T., Holwill, M., Wang, Y. B., Roldan, R., Guinea, F., Andreeva, D. V., Fumagalli, L., Novoselov, K. S., Woods, C. R.
Two-dimensional (2D) hexagonal boron nitride (hBN) is a wide-bandgap van der Waals crystal with a unique combination of properties, including exceptional strength, large oxidation resistance at high temperatures and optical functionalities. Furthermo
Externí odkaz:
http://arxiv.org/abs/1911.09134
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Publikováno v:
Rev. Mod. Phys. 92, 21003 (2020)
After the first unequivocal demonstration of spin transport in graphene (Tombros et al., 2007), surprisingly at room temperature, it was quickly realized that this novel material was relevant for both fundamental spintronics and future applications.
Externí odkaz:
http://arxiv.org/abs/1909.09188
We analyze the contribution of the inhomogeneous magnetic field induced by an electrical current to the spin Hall effect in metals. The Zeeman coupling between the field and the electron spin leads to a spin dependent force, and to spin accumulation
Externí odkaz:
http://arxiv.org/abs/1906.04851
Autor:
Xu, S. G., Berdyugin, A. I., Kumaravadivel, P., Guinea, F., Kumar, R. Krishna, Bandurin, D. A., Morozov, S. V., Kuang, W., Tsim, B., Liu, S., Edgar, J. H., Grigorieva, I. V., Fal'ko, V. I., Kim, M., Geim, A. K.
Publikováno v:
Nature Communications 10, 4008 (2019)
The electronic properties of graphene superlattices have attracted intense interest that was further stimulated by the recent observation of novel many-body states at "magic" angles in twisted bilayer graphene (BLG). For very small ("marginal") twist
Externí odkaz:
http://arxiv.org/abs/1905.12984