Stephan Roche
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Explore the profile of Stephan Roche including associated specialties, affiliations and a list of published articles.
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Articles
76
Citations
837
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Recent Articles
1.
Vojacek L, Medina Duenas J, Li J, Ibrahim F, Manchon A, Roche S, et al.
Nano Lett
. 2024 Sep;
24(38):11889-11894.
PMID: 39267484
We predict a very large spin-orbit torque (SOT) capability of magnetic chromium-based transition-metal dichalcogenide (TMD) monolayers in their Janus forms CrXTe, with X = S, Se. The structural inversion symmetry...
2.
Medina Duenas J, Garcia J, Roche S
Phys Rev Lett
. 2024 Jul;
132(26):266301.
PMID: 38996304
We report a theoretical description of novel spin-orbit torque components emerging in two-dimensional Dirac materials with broken inversion symmetry. In contrast to usual metallic interfaces where fieldlike and dampinglike torque...
3.
Alcon I, Cummings A, Roche S
Nanoscale Horiz
. 2024 Jan;
9(3):407-415.
PMID: 38275013
During the last 15 years bottom-up on-surface synthesis has been demonstrated as an efficient way to synthesize carbon nanostructures with atomic precision, opening the door to unprecedented electronic control at...
4.
Mercouris M, Klopper S, Swanepoel S, Maqungo S, Laubscher M, Roche S, et al.
J West Afr Coll Surg
. 2023 Mar;
13(1):91-95.
PMID: 36923814
Background: Hip fractures are common, and account for significant morbidity and mortality. While surgical intervention remains the gold standard, nonoperative treatment protocols are seldom analysed and may be of value...
5.
Kaya O, Colombo L, Antidormi A, Lanza M, Roche S
Nanoscale Horiz
. 2023 Jan;
8(3):361-367.
PMID: 36625288
We report on a large improvement of the thermal stability and mechanical properties of amorphous boron-nitride upon carbon doping. By generating versatile force fields using first-principles and machine learning simulations,...
6.
Yang H, Valenzuela S, Chshiev M, Couet S, Dieny B, Dlubak B, et al.
Nature
. 2022 Jun;
606(7915):663-673.
PMID: 35732761
Non-volatile magnetic random-access memories (MRAMs), such as spin-transfer torque MRAM and next-generation spin-orbit torque MRAM, are emerging as key to enabling low-power technologies, which are expected to spread over large...
7.
Unveiling the Multiradical Character of the Biphenylene Network and Its Anisotropic Charge Transport
Alcon I, Calogero G, Papior N, Antidormi A, Song K, Cummings A, et al.
J Am Chem Soc
. 2022 Apr;
144(18):8278-8285.
PMID: 35476458
Recent progress in the on-surface synthesis and characterization of nanomaterials is facilitating the realization of new carbon allotropes, such as nanoporous graphenes, graphynes, and 2D π-conjugated polymers. One of the...
8.
Cinar M, Antidormi A, Nguyen V, Kovtun A, Lara-Avila S, Liscio A, et al.
Nano Lett
. 2022 Mar;
22(6):2202-2208.
PMID: 35230103
In the context of graphene-based composite applications, a complete understanding of charge conduction in multilayer reduced graphene oxides (rGO) is highly desirable. However, these rGO compounds are characterized by multiple...
9.
Block A, Principi A, Hesp N, Cummings A, Liebel M, Watanabe K, et al.
Nat Nanotechnol
. 2021 Aug;
16(11):1195-1200.
PMID: 34426681
Conducting materials typically exhibit either diffusive or ballistic charge transport. When electron-electron interactions dominate, a hydrodynamic regime with viscous charge flow emerges. More stringent conditions eventually yield a quantum-critical Dirac-fluid...
10.
Sierra J, Fabian J, Kawakami R, Roche S, Valenzuela S
Nat Nanotechnol
. 2021 Jul;
16(8):856-868.
PMID: 34282312
The large variety of 2D materials and their co-integration in van der Waals heterostructures enable innovative device engineering. In addition, their atomically thin nature promotes the design of artificial materials...