activity
20122026
most citedEmergence of Superlattice Dirac Points in Graphene on Hexagonal Boron Nitride

1.2k citations · 3.1k across the 22 of their papers we have counts for

collaborators

22 papers

cond-mat.mes-hall2026

Photo- and thermally-induced huge layer decoupling in twisted bilayer WSe

A. Nakamura, Y. Chiashi, T. Shimojima +8

Twisted bilayer systems host a wealth of emergent phenomena, such as flat-band superconductivity, ferromagnetism, and ferroelectricity, arising from moiré superlattices and unconve…

cond-mat.mes-hall2025

Interaction of moire-induced quantum Hall channels in a locally gated graphene junction

Won Beom Choi, Myungjin Jeon, K. Watanabe +2

Manipulating electron quantum 1D channels is an important element in the field of quantum information due to their ballistic and phase coherence properties. In GaAs and graphene ba…

cond-mat.mes-hall2025

Spin-valley polarization control in WSe monolayers using photochemical doping

E. Katsipoulaki, K. Mourzidis, V. Jindal +9

We report on the influence of a photochemical doping method on the spin-valley polarization degree () of excitons in WSe monolayers. By varying the carrier density and t…

cond-mat.mes-hall2024★ 7 cited

Impact of Device Resistances in the Performance of Graphene-based Terahertz Photodetectors

O. Castelló, Sofía M. López Baptista, K. Watanabe +6

In recent years, graphene Field-Effect-Transistors (GFETs) have demonstrated an outstanding potential for Terahertz (THz) photodetection due to their fast response and high-sensiti…

cond-mat.mes-hall2024

Composite fermions and parton wavefunctions in twisted graphene on hexagonal boron nitride

J. Salvador-Sánchez, A. Pérez-Rodriguez, V. Clericò +7

In a twisted graphene on hexagonal Boron Nitride, the presence of a gap and the breaking of the symmetry between carbon sublattices leads to multicomponent fractional quantum Hall…

cond-mat.str-el2024★ 1 cited

Frustrated hopping from orbital decoration of a primitive two-dimensional lattice

Aravind Devarakonda, Christie S. Koay, Daniel G. Chica +18

Materials hosting flat electronic bands are a central focus of condensed matter physics as promising venues for novel electronic ground states. Two-dimensional (2D) geometrically f…

cond-mat.mes-hall2024★ 7 cited

Characterization of a graphene-hBN superlattice field effect transistor

Won Beom Choi, Youngoh Son, Hangyeol Park +5

Graphene provides a unique platform for hosting high quality 2D electron systems. Encapsulating graphene with hexagonal boron nitride (hBN) to shield it from noisy environments off…

cond-mat.mes-hall2024

Electric field tunable edge transport in Bernal stacked trilayer graphene

Saurabh Kumar Srivastav, Adithi Udupa, K. Watanabe +3

This letter presents a non-local study on the electric field tunable edge transport in an hBN-encapsulated dual-gated Bernal stacked (ABA) trilayer graphene across various displace…

cond-mat.mes-hall2024★ 13 cited

Distance dependence of the energy transfer mechanism in WS-graphene heterostructures

David Tebbe, Marc Schütte, K. Watanabe +4

We report on the mechanism of energy transfer in van der Waals heterostructures of the two-dimensional semiconductor WS and graphene with varying interlayer distances, achieved…

cond-mat.mes-hall2023

Quantum Transport and Spectroscopy of Two-dimensional Perovskite/Graphene Interfaces

Yan Sun, C. Morice, D. Garrot +5

Quantum transport properties in molecularly thin perovskite/graphene heterostructure are experimentally investigated by Shubnikov-de Hass (SdH) oscillation and photo-resistance spe…

cond-mat.mes-hall2023★ 57 cited

Giant ultra-broadband photoconductivity in twisted graphene heterostructures

Hitesh Agarwal, Krystian Nowakowski, Andres Forrer +12

The requirements for broadband photodetection are becoming exceedingly demanding in hyperspectral imaging. Whilst intrinsic photoconductor arrays based on mercury cadmium telluride…

cond-mat.mtrl-sci2023★ 20 cited

Monolayer WS electro- and photo-luminescence enhancement by TFSI treatment

A. R. Cadore, B. L. T. Rosa, I. Paradisanos +14

Layered material heterostructures (LMHs) can be used to fabricate electroluminescent devices operating in the visible spectral region. A major advantage of LMH-light emitting diode…

cond-mat.mes-hall2022★ 4 cited

Circular polarization immunity of the cyclotron resonance photoconductivity in two-dimensional electron systems

Erwin Mönch, Philipp Euringer, Georg-Maximilian Hüttner +7

Studying the cyclotron resonance (CR)-induced photoconductivity in GaAs and HgTe two-dimensional electron structures, we observed an anomalous photoresponse for the CR-inactive geo…

cond-mat.mes-hall2020★ 38 cited

Detection of graphene's divergent orbital diamagnetism at the Dirac point

J. Vallejo, N. J. Wu, C. Fermon +12

The electronic properties of graphene have been intensively investigated over the last decade, and signatures of the remarkable features of its linear Dirac spectrum have been disp…

cond-mat.mes-hall2020★ 753 cited

Interfacial Ferroelectricity by van-der-Waals Sliding

Maayan Vizner Stern, Yuval Waschitz, Wei Cao +7

Despite their ionic nature, many layered diatomic crystals avoid internal electric polarization by forming a centrosymmetric lattice at their optimal anti-parallel van-der-Waals st…

cond-mat.mes-hall2019★ 24 cited

Extraordinary high room-temperature carrier mobility in graphene-WSe heterostructures

L. Banszerus, T. Ouaj, T. Sohier +16

High charge carrier mobilities play a fundamental role for high-frequency electronics, integrated optoelectronics as well as for sensor and spintronic applications, where device pe…

cond-mat.mes-hall2018★ 19 cited

Proximity-Induced Spin-Orbit Coupling in Graphene-BiSbTeSe Heterostructures

S. Jafarpisheh, A. W. Cummings, K. Watanabe +3

The weak intrinsic spin-orbit coupling in graphene can be greatly enhanced by proximity coupling. Here we report on the proximity-induced spin-orbit coupling in graphene transferre…

cond-mat.mes-hall2016★ 86 cited

Size quantization of Dirac fermions in graphene constrictions

B. Terrés, L. A. Chizhova, F. Libisch +9

Quantum point contacts (QPCs) are cornerstones of mesoscopic physics and central building blocks for quantum electronics. Although the Fermi wave-length in high-quality bulk graphe…

cond-mat.mes-hall2016★ 176 cited

Pressure-induced commensurate stacking of graphene on boron nitride

Matthew Yankowitz, K. Watanabe, T. Taniguchi +2

Combining atomically-thin van der Waals materials into heterostructures provides a powerful path towards the creation of designer electronic devices. The interaction strength betwe…

cond-mat.mes-hall2015★ 234 cited

Supercurrent in the quantum Hall regime

Francois Amet, Chung Ting Ke, Ivan V. Borzenets +8

A novel promising route for creating topological states and excitations is to combine superconductivity and the quantum Hall (QH) effect. Despite this potential, signatures of supe…

cond-mat.mes-hall2014★ 520 cited

Twist-controlled resonant tunnelling in graphene-boron nitride-graphene heterostructures

A. Mishchenko, J. S. Tu, Y. Cao +19

Recent developments in the technology of van der Waals heterostructures made from two-dimensional atomic crystals have already led to the observation of new physical phenomena, suc…

cond-mat.mes-hall2012★ 1.2k cited

Emergence of Superlattice Dirac Points in Graphene on Hexagonal Boron Nitride

Matthew Yankowitz, Jiamin Xue, Daniel Cormode +6

The Schrödinger equation dictates that the propagation of nearly free electrons through a weak periodic potential results in the opening of band gaps near points of the reciprocal…