Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Johanna Zultak"'
Autor:
Johanna Zultak, Samuel J. Magorrian, Maciej Koperski, Alistair Garner, Matthew J. Hamer, Endre Tóvári, Kostya S. Novoselov, Alexander A. Zhukov, Yichao Zou, Neil R. Wilson, Sarah J. Haigh, Andrey V. Kretinin, Vladimir I. Fal’ko, Roman Gorbachev
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-6 (2020)
A plethora of solid-state nanodevices rely on engineering the quantization of electrons in quantum wells. Here, the authors leverage the thickness of exfoliated 2D crystals to control the quantum well dimensions in few-layer semiconductor InSe and in
Externí odkaz:
https://doaj.org/article/f08177ecd14b46db9a99f6da7343ee60
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
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
Autor:
Andre K. Geim, Takashi Taniguchi, David J. Perello, John Birkbeck, Joseph A. Sulpizio, Lior Ella, Johanna Zultak, Kenji Watanabe, Asaf Rozen, Shahal Ilani, Moshe Ben-Shalom
Publikováno v:
Nature Nanotechnology
Ella, L, Rozen, A, Birkbeck, J, Ben-Shalom, M, Perello, D, Zultak, J, Taniguchi, T, Watanabe, K, Geim, A K, Ilani, S & Sulpizio, J A 2019, ' Simultaneous voltage and current density imaging of flowing electrons in two dimensions ', Nature Nanotechnology, vol. 14, no. 5, pp. 480-487 . https://doi.org/10.1038/s41565-019-0398-x
Ella, L, Rozen, A, Birkbeck, J, Ben-Shalom, M, Perello, D, Zultak, J, Taniguchi, T, Watanabe, K, Geim, A K, Ilani, S & Sulpizio, J A 2019, ' Simultaneous voltage and current density imaging of flowing electrons in two dimensions ', Nature Nanotechnology, vol. 14, no. 5, pp. 480-487 . https://doi.org/10.1038/s41565-019-0398-x
A variety of physical phenomena associated with nanoscale electron transport often results in non-trivial spatial voltage and current patterns, particularly in nonlocal transport regimes. While numerous techniques have been devised to image electron
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
Autor:
Andrey V. Kretinin, Endre Tóvári, Sarah J. Haigh, Yichao Zou, Kostya S. Novoselov, Maciej Koperski, Johanna Zultak, Vladimir I. Fal'ko, Roman V. Gorbachev, Matthew J. Hamer, Alistair Garner, Alexander Zhukov, Neil R. Wilson, Samuel Magorrian
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-6 (2020)
Nature Communications
Zultak, J, Magorrian, S, Koperski, M, Garner, A, Hamer, M, Tovari, E, Novoselov, K, Zhukov, A, Zou, Y, Wilson, N R, Haigh, S, Kretinin, A, Fal'ko, V & Gorbachev, R 2020, ' Ultra-thin van der Waals crystals as semiconductor quantum wells ', Nature Communications, vol. 11, no. 1, 125 . https://doi.org/10.1038/s41467-019-13893-w
Nature Communications
Zultak, J, Magorrian, S, Koperski, M, Garner, A, Hamer, M, Tovari, E, Novoselov, K, Zhukov, A, Zou, Y, Wilson, N R, Haigh, S, Kretinin, A, Fal'ko, V & Gorbachev, R 2020, ' Ultra-thin van der Waals crystals as semiconductor quantum wells ', Nature Communications, vol. 11, no. 1, 125 . https://doi.org/10.1038/s41467-019-13893-w
Control over the electronic spectrum at low energy is at the heart of the functioning of modern advanced electronics: high electron mobility transistors, semiconductor and Capasso terahertz lasers, and many others. Most of those devices rely on the m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0ba3bb9b5a3b223f2e0538fd89193ff
http://wrap.warwick.ac.uk/132905/1/WRAP-ultra-thin-van-der-Waals-crystals-semiconductor-quantum-wells-Wilson-2020.pdf
http://wrap.warwick.ac.uk/132905/1/WRAP-ultra-thin-van-der-Waals-crystals-semiconductor-quantum-wells-Wilson-2020.pdf
Autor:
Artem Mishchenko, Lucian Covaci, Miša Anđelković, Li Lin, Vladimir I. Fal'ko, Johanna Zultak, Andrey V. Kretinin, Shuigang Xu, Jun Yin, K. S. Novoselov, S. P. Milovanović, Zihao Wang, Angelika Knothe, Yi Bo Wang, T. Taniguchi, François M. Peeters, Colin R. Woods, David J. Perello, Matthew Holwill, Roman V. Gorbachev, A. K. Geim, Kenji Watanabe, Yaping Yang, Endre Tóvári, S. V. Morozov, John Birkbeck
Publikováno v:
Wang, Z, Wang, Y B, Yin, J, Tovari, E, Yang, Y, Lin, L, Holwill, M, Birkbeck, J, Perello, D, Xu, S, Zultak, J, Gorbachev, R, Kretinin, A, Taniguchi, T, Watanabe, K, Morozov, S, Andelkovic, M, Milovanovic, S, Covaci, L, Peeters, F M, Mishchenko, A, Geim, A, Novoselov, K, Fal'ko, V, Knothe, A & Woods, C 2020, ' Composite super-moiré lattices in double aligned graphene heterostructures ', Science Advances, vol. 5, eaay8897, pp. 1-7 . https://doi.org/10.1126/sciadv.aay8897
Science Advances
Science Advances
When two-dimensional atomic crystals are brought into close proximity to form a van der Waals heterostructure, neighbouring crystals can start influencing each others electronic properties. Of particular interest is the situation when the periodicity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30702496406c35500fdafc854de38a68
https://doi.org/10.1126/sciadv.aay8897
https://doi.org/10.1126/sciadv.aay8897
Autor:
Kenji Watanabe, James Howarth, Takashi Taniguchi, Zakhar R. Kudrynskyi, Ignacio Gutiérrez-Lezama, Nicolas Ubrig, Daniel J. Terry, Vladimir I. Fal'ko, Zakhar D. Kovalyuk, Alberto F. Morpurgo, Roman V. Gorbachev, Viktor Zólyomi, Evgeniy Ponomarev, Johanna Zultak, Amalia Patanè, Daniil Domaretskiy, Alexander Zhukov
Publikováno v:
Nature Materials (2020)
Ubrig, N, Ponomarev, E, Zultak, J, Domaretskiy, D, Zólyomi, V, Terry, D, Howarth, J, Gutiérrez-Lezama, I, Zhukov, A, Kudrynskyi, Z R, Kovalyuk, Z D, Patané, A, Taniguchi, T, Watanabe, K, Gorbachev, R V, Fal’ko, V I & Morpurgo, A F 2020, ' Design of van der Waals interfaces for broad-spectrum optoelectronics ', Nature Materials, vol. 19, pp. 299-304 . https://doi.org/10.1038/s41563-019-0601-3
Nature Materials
Ubrig, N, Ponomarev, E, Zultak, J, Domaretskiy, D, Zólyomi, V, Terry, D, Howarth, J, Gutiérrez-Lezama, I, Zhukov, A, Kudrynskyi, Z R, Kovalyuk, Z D, Patané, A, Taniguchi, T, Watanabe, K, Gorbachev, R V, Fal’ko, V I & Morpurgo, A F 2020, ' Design of van der Waals interfaces for broad-spectrum optoelectronics ', Nature Materials, vol. 19, pp. 299-304 . https://doi.org/10.1038/s41563-019-0601-3
Nature Materials
Van der Waals (vdW) materials offer new ways to assemble artificial electronic media with properties controlled at the design stage, by combining atomically defined layers into interfaces and heterostructures. Their potential for optoelectronics stem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5180b84c04daf7c7caecc664dde2b34
http://arxiv.org/abs/1912.10345
http://arxiv.org/abs/1912.10345
Autor:
Nicolas, Ubrig, Evgeniy, Ponomarev, Johanna, Zultak, Daniil, Domaretskiy, Viktor, Zólyomi, Daniel, Terry, James, Howarth, Ignacio, Gutiérrez-Lezama, Alexander, Zhukov, Zakhar R, Kudrynskyi, Zakhar D, Kovalyuk, Amalia, Patané, Takashi, Taniguchi, Kenji, Watanabe, Roman V, Gorbachev, Vladimir I, Fal'ko, Alberto F, Morpurgo
Publikováno v:
Nature materials. 19(3)
Van der Waals (vdW) interfaces based on 2D materials are promising for optoelectronics, as interlayer transitions between different compounds allow tailoring of the spectral response over a broad range. However, issues such as lattice mismatch or a s
Autor:
Sarah J. Haigh, Vladimir I. Fal'ko, Alexei Barinov, Viktor Zólyomi, Maciej Koperski, Viktor Kandyba, Xue Xia, Jack Donoghue, Anastasia V. Tyurnina, Alessio Giampietri, Natalie C. Teutsch, Johanna Zultak, Daniel J. Terry, Roman V. Gorbachev, A. P. Rooney, Neil R. Wilson, Abigail J. Graham, Matthew J. Hamer, Alistair Garner
Publikováno v:
ACS Nano
Atomically thin films of III–VI post-transition metal chalcogenides (InSe and GaSe) form an interesting class of two-dimensional semiconductors that feature a strong variation of their band gap as a function of the number of layers in the crystal a
Autor:
Johanna Zultak, Daniel Chenet, Arend M. van der Zande, Cyrielle Roquelet, Louis E. Brus, Andrés Montoya−Castillo, Archana Raja, Steffen Jockusch, Tony F. Heinz, Pinshane Y. Huang, David R. Reichman, Ziliang Ye, James Hone, Xiao-Xiao Zhang
Publikováno v:
Nano Letters. 16:2328-2333
We report efficient nonradiative energy transfer (NRET) from core-shell, semiconducting quantum dots to adjacent two-dimensional sheets of graphene and MoS2 of single- and few-layer thickness. We observe quenching of the photoluminescence (PL) from i