activity
20152023
most citedTuning of the Thermoelectric Figure of Merit of CHNHMI (M=Pb,Sn) Photovoltaic Perovskites

196 citations · 1.5k across the 19 of their papers we have counts for

collaborators

20 papers

cond-mat.mtrl-sci2023

Resonant band hybridization in alloyed transition metal dichalcogenide heterobilayers

Alessandro Catanzaro, Armando Genco, Charalambos Louca +13

Bandstructure engineering using alloying is widely utilised for achieving optimised performance in modern semiconductor devices. While alloying has been studied in monolayer transi…

cond-mat.mes-hall2021★ 10 cited

Electron transport in dual-gated three-layer MoS

M. Masseroni, T. Davatz, R. Pisoni +7

The low-energy band structure of few-layer MoS is relevant for a large variety of experiments ranging from optics to electronic transport. Its characterization remains challeng…

cond-mat.mes-hall2019★ 64 cited

Gap Opening in Twisted Double Bilayer Graphene by Crystal fields

Peter Rickhaus, Giulia Zheng, Jose L. Lado +12

Crystal fields occur due to a potential difference between chemically different atomic species. In Van-der-Waals heterostructures such fields are naturally present perpendicular to…

cond-mat.mes-hall2019★ 22 cited

Fully automated identification of 2D material samples

Eliska Greplova, Carolin Gold, Benedikt Kratochwil +7

Thin nanomaterials are key constituents of modern quantum technologies and materials research. Identifying specimens of these materials with properties required for the development…

cond-mat.mes-hall2019★ 71 cited

The Electronic Thickness of Graphene

Peter Rickhaus, Ming-Hao Liu, Marcin Kurpas +10

The van-der-Waals stacking technique enables the fabrication of heterostructures, where two conducting layers are atomically close. In this case, the finite layer thickness matters…

cond-mat.mes-hall2019★ 40 cited

Absence of inter-layer tunnel coupling of -valley electrons in bilayer MoS

Riccardo Pisoni, Tim Davatz, Kenji Watanabe +3

In Bernal stacked bilayer graphene interlayer coupling significantly affects the electronic bandstructure compared to monolayer graphene. Here we present magnetotransport experimen…

cond-mat.mes-hall2019★ 95 cited

Excited states in bilayer graphene quantum dots

A. Kurzmann, M. Eich, H. Overweg +11

We report on ground- and excited state transport through an electrostatically defined few-hole quantum dot in bilayer graphene in both parallel and perpendicular applied magnetic f…

cond-mat.mes-hall2019★ 68 cited

Charge detection in gate-defined bilayer graphene quantum dots

A. Kurzmann, H. Overweg, M. Eich +8

We report on charge detection in electrostatically-defined quantum dot devices in bilayer graphene using an integrated charge detector. The device is fabricated without any etching…

cond-mat.mes-hall2018★ 22 cited

Tunneling spectroscopy of graphene nanodevices coupled to large-gap superconductors

Joel I-Jan Wang, Landry Bretheau, Daniel Rodan-Legrain +4

We performed tunneling spectroscopy measurements of graphene coupled to niobium/niobium-nitride superconducting electrodes. Due to the proximity effect, the graphene density of sta…

cond-mat.mes-hall2018★ 115 cited

Interactions and magnetotransport through spin-valley coupled Landau levels in monolayer MoS

Riccardo Pisoni, Andor Kormányos, Matthew Brooks +12

The strong spin-orbit coupling and the broken inversion symmetry in monolayer transition metal dichalcogenides (TMDs) results in spin-valley coupled band structures. Such a band st…

cond-mat.mes-hall2018★ 12 cited

Magnetotransport and lateral confinement in an InSe van der Waals Heterostructure

Yongjin Lee, Riccardo Pisoni, Hiske Overweg +10

In the last six years, Indium selenide (InSe) has appeared as a new van der Waals heterostructure platform which has been extensively studied due to its unique electronic and optic…

cond-mat.mes-hall2018★ 97 cited

Coupled quantum dots in bilayer graphene

Marius Eich, Riccardo Pisoni, Alessia Pally +8

Electrostatic confinement of charge carriers in bilayer graphene provides a unique platform for carbon-based spin, charge or exchange qubits. By exploiting the possibility to induc…

cond-mat.mes-hall2018★ 128 cited

Spin and Valley States in Gate-defined Bilayer Graphene Quantum Dots

Marius Eich, František Herman, Riccardo Pisoni +9

In bilayer graphene, electrostatic confinement can be realized by a suitable design of top and back gate electrodes. We measure electronic transport through a bilayer graphene quan…

cond-mat.mes-hall2018★ 154 cited

Transport through a network of topological states in twisted bilayer graphene

Peter Rickhaus, John Wallbank, Sergey Slizovskiy +10

We explore a network of electronic quantum valley Hall (QVH) states in the moiré crystal of minimally twisted bilayer graphene. In our transport measurements we observe Fabry-Pérot…

cond-mat.mes-hall2018★ 78 cited

Gate-Tunable Quantum Dot in a High Quality Single Layer MoS Van der Waals Heterostructure

Riccardo Pisoni, Zijin Lei, Patrick Back +7

We have fabricated an encapsulated monolayer MoS device with metallic ohmic contacts through a pre-patterned hBN layer. In the bulk, we observe an electron mobility…

cond-mat.mes-hall2017★ 4 cited

Edge channel confinement in a bilayer graphene -- quantum dot

Hiske Overweg, Peter Rickhaus, Marius Eich +6

We combine electrostatic and magnetic confinement to define a quantum dot in bilayer graphene. The employed geometry couples -doped reservoirs to a -doped dot. At magnetic fi…

cond-mat.mes-hall2017★ 115 cited

Electrostatically induced quantum point contact in bilayer graphene

Hiske Overweg, Hannah Eggimann, Xi Chen +10

We report the fabrication of electrostatically defined nanostructures in encapsulated bilayer graphene, with leakage resistances below depletion gates as high as G.…

cond-mat.mes-hall2017★ 111 cited

Tunnelling Spectroscopy of Andreev States in Graphene

Landry Bretheau, Joel I-Jan Wang, Riccardo Pisoni +3

A normal conductor placed in good contact with a superconductor can inherit its remarkable electronic properties. This proximity effect microscopically originates from the formatio…

cond-mat.mes-hall2017★ 54 cited

Gate-Defined One-Dimensional Channel and Broken Symmetry States in MoS van der Waals Heterostructures

Riccardo Pisoni, Yongjin Lee, Hiske Overweg +7

We have realized encapsulated trilayer MoS devices with gated graphene contacts. In the bulk, we observe an electron mobility as high as 7000~cm/(V s) at a density of 3 $…

cond-mat.mtrl-sci2015★ 196 cited

Tuning of the Thermoelectric Figure of Merit of CHNHMI (M=Pb,Sn) Photovoltaic Perovskites

Xavier Mettan, Riccardo Pisoni, Péter Matus +7

The hybrid halide perovskites, the very performant compounds in photovoltaic applications, possess large Seebeck coefficient and low thermal conductivity making them potentially in…