Exfoliation of natural van der Waals heterostructures to a single unit cell thickness

Autor: Matěj Velický, Peter S. Toth, Alexander M. Rakowski, Aidan P. Rooney, Aleksey Kozikov, Colin R. Woods, Artem Mishchenko, Laura Fumagalli, Jun Yin, Viktor Zólyomi, Thanasis Georgiou, Sarah J. Haigh, Kostya S. Novoselov, Robert A. W. Dryfe

Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-11 (2017)

Layered materials are held together by weak van der Waals forces facilitating layer-by-layer cleavage. Here, the authors demonstrate mechanical exfoliation of a naturally occurring franckeite mineral heterostructure, possessing p-type conductivity an

Externí odkaz: https://doaj.org/article/f1d27575821e4b2ea44e3151a6e4e3ae

Spin-Orbit Coupling, Quantum Dots, and Qubits in Monolayer Transition Metal Dichalcogenides

Autor: Andor Kormányos, Viktor Zólyomi, Neil D. Drummond, Guido Burkard

Publikováno v: Physical Review X, Vol 4, Iss 1, p 011034 (2014)

We derive an effective Hamiltonian that describes the dynamics of electrons in the conduction band of monolayer transition metal dichalcogenides (TMDC) in the presence of perpendicular electric and magnetic fields. We discuss in detail both the intri

Externí odkaz: https://doaj.org/article/714ead3a0a414951ae544d5a0ab64060

Atomic reconstruction in twisted bilayers of transition metal dichalcogenides

Autor: Roman V. Gorbachev, Johanna Zultak, V. V. Enaldiev, Astrid Weston, David G. Hopkinson, Andrey V. Kretinin, Vladimir I. Fal'ko, Yichao Zou, Mingwei Zhou, Peter H. Beton, Alex Summerfield, Alexei Barinov, Samuel Magorrian, Abigail J. Graham, Thomas H. Bointon, Sarah J. Haigh, Nick Clark, Viktor Zólyomi, Neil R. Wilson, Celal Yelgel

Publikováno v: Weston, A, Zou, Y, Enaldiev, V, Summerfield, A, Clark, N, Zolyomi, V, Graham, A, Yelgel, C, Magorrian, S, Zhou, M, Zultak, J, Hopkinson, D, Barinov, A, Bointon, T, Kretinin, A, Wilson, N R, Beton, P H, Fal'ko, V, Haigh, S & Gorbachev, R 2020, ' Atomic reconstruction in twisted bilayers of transition metal dichalcogenides ', Nature Nanotechnology, vol. 15, no. 7, pp. 592-597 . https://doi.org/10.1038/s41565-020-0682-9
Nature Nanotechnology

Van der Waals heterostructures form a massive interdisciplinary research field, fueled by the rich material science opportunities presented by layer assembly of artificial solids with controlled composition, order and relative rotation of adjacent at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af5dfc8f90fc9994a51aeb7f09b59c70
https://doi.org/10.1038/s41565-020-0682-9

Ghost anti-crossings caused by interlayer umklapp hybridization of bands in 2D heterostructures

Autor: Johanna Zultak, Cuauhtémoc Salazar, Roman V. Gorbachev, Viktor Zólyomi, Alexei Barinov, Samuel Magorrian, Viktor Kandyba, Francesca Genuzio, Nicholas D. M. Hine, Matthew J. Hamer, Neil R. Wilson, Natalie C. Teutsch, Alessio Giampietri, Andrea Locatelli, Vladimir I. Fal'ko, Abigail J. Graham

Publikováno v: 2D Materials

In two-dimensional heterostructures, crystalline atomic layers with differing lattice parameters can stack directly one on another. The resultant close proximity of atomic lattices with differing periodicity can lead to new phenomena. For umklapp pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5c07082a6a3a8d1e7790d7334f99a7e

Crossover from weakly indirect to direct excitons in atomically thin films of InSe

Autor: Adrian Ceferino, Kok Wee Song, Vladimir I. Fal'ko, Samuel Magorrian, Viktor Zólyomi

Publikováno v: Ceferino, A, Song, K W, Magorrian, S J, Zólyomi, V & Fal'ko, V I 2020, ' Crossover from weakly indirect to direct excitons in atomically thin films of InSe ', Physical Review B, vol. 101, no. 24 . https://doi.org/10.1103/PhysRevB.101.245432

We perform a $\mathbf{k \cdot p}$ theory analysis of the spectra of the lowest energy and excited states of the excitons in few-layer atomically thin films of InSe taking into account in-plane electric polarizability of the film and the influence of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::167ff1e9c465caef289a7bf105fef314
https://doi.org/10.1103/physrevb.101.245432