activity
20182026
most citedGraphene Transistor Based on Tunable Dirac-Fermion-Optics

56 citations · 86 across the 9 of their papers we have counts for

collaborators

9 papers

cond-mat.mes-hall2026

Pre-Patterned Superconducting Contacts for Clean Superconductor-Topological Material Interfaces Enabling Long-Range Josephson Coupling

Yong-Bin Choi, Chang-Won Choi, Luke Holtzman +8

Phase-coherent superconducting proximity in topological materials requires clean superconductor-topological material (SC-TM) interfaces, yet conventional top-contact fabrication of…

cond-mat.mes-hall2025

Edge dependence of the Josephson current in the quantum Hall regime

Seong Jang, Geon-Hyoung Park, Kenji Watanabe +2

The observation of Josephson current in the quantum Hall regime has attracted considerable attention, revealing the coexistence of two seemingly incompatible phases: the quantum Ha…

cond-mat.mes-hall2025★ 1 cited

Preserving Twist-Angle in Marginally Twisted Double-Bilayer Graphene Devices During Fabrication

Hyeon-Woo Jeong, Jiho Kim, Boknam Chae +3

Twisted van der Waals heterostructures provide a platform for studying a wide range of electron correlation phenomena, including unconventional superconductivity and correlated ins…

cond-mat.mes-hall2024★ 2 cited

Edge dependece of nonlocal transport in gapped bilayer graphene

Hyeon-Woo Jeong, Seong Jang, Sein Park +3

The topological properties of gapped graphene have been explored for valleytronics applications. Prior transport experiments indicated their topological nature through large nonloc…

cond-mat.mes-hall2024★ 3 cited

Engineering superconducting contacts transparent to a bipolar graphene

Seong Jang, Geon-Hyoung Park, Sein Park +4

Graphene's exceptional electronic mobility, gate-tunability, and contact transparency with superconducting materials make it ideal for exploring the superconducting proximity effec…

cond-mat.mes-hall2024★ 3 cited

Full tomography of topological Andreev bands in graphene Josephson junctions

Woochan Jung, Seyoung Jin, Sein Park +5

Multiply connected electronic networks threaded by flux tubes have been proposed as a platform for adiabatic quantum transport and topological states. Multi-terminal Josephson junc…

cond-mat.mes-hall2023★ 8 cited

Controllable Andreev Bound States in Bilayer Graphene Josephson Junction from Short to Long Junction Limits

Geon-Hyoung Park, Wonjun Lee, Sein Park +4

We demonstrate that the mode number of Andreev bound states in bilayer graphene Josephson junctions can be modulated by in situ control of the superconducting coherence length. By…

cond-mat.mes-hall2023★ 13 cited

Room temperature electroluminescence from isolated colour centres in van der Waals semiconductors

Gyuna Park, Ivan Zhigulin, Hoyoung Jung +7

Defects in wide bandgap semiconductors have recently emerged as promising candidates for solid-state quantum optical technologies. Electrical excitation of emitters may pave the wa…

cond-mat.mes-hall2018★ 56 cited

Graphene Transistor Based on Tunable Dirac-Fermion-Optics

Ke Wang, Mirza M. Elahi, K. M. Masum Habib +5

The linear energy-momentum dispersion, coupled with pseudo-spinors, makes graphene an ideal solid-state material platform to realize an electronic device based on Dirac-Fermionic r…