activity
20182023
most citedCascade of electronic transitions in magic-angle twisted bilayer graphene

450 citations · 1.5k across the 9 of their papers we have counts for

collaborators

9 papers

cond-mat.mes-hall2023★ 6 cited

Insulators at Fractional Fillings in Twisted Bilayer Graphene Partially Aligned to Hexagonal Boron Nitride

Dillon Wong, Kevin P. Nuckolls, Myungchul Oh +4

At partial fillings of its flat electronic bands, magic-angle twisted bilayer graphene (MATBG) hosts a rich variety of competing correlated phases that show sample to sample variat…

cond-mat.mes-hall2023★ 142 cited

Quantum textures of the many-body wavefunctions in magic-angle graphene

Kevin P. Nuckolls, Ryan L. Lee, Myungchul Oh +11

Interactions among electrons create novel many-body quantum phases of matter with wavefunctions that often reflect electronic correlation effects, broken symmetries, and novel coll…

cond-mat.str-el2021★ 49 cited

Spectroscopy of Twisted Bilayer Graphene Correlated Insulators

Dumitru Călugăru, Nicolas Regnault, Myungchul Oh +6

We analytically compute the scanning tunneling microscopy (STM) signatures of integer-filled correlated ground states of the magic angle twisted bilayer graphene (TBG) narrow bands…

cond-mat.supr-con2021★ 371 cited

Evidence for unconventional superconductivity in twisted bilayer graphene

Myungchul Oh, Kevin P. Nuckolls, Dillon Wong +5

The emergence of superconductivity with doping from correlated insulators in magic-angle twisted bilayer graphene (MATBG) has raised the intriguing possibility that its pairing mec…

cond-mat.mes-hall2020★ 449 cited

Strongly Correlated Chern Insulators in Magic-Angle Twisted Bilayer Graphene

Kevin P. Nuckolls, Myungchul Oh, Dillon Wong +5

Interactions among electrons and the topology of their energy bands can create novel quantum phases of matter. Most topological electronic phases appear in systems with weak electr…

cond-mat.mes-hall2019★ 450 cited

Cascade of electronic transitions in magic-angle twisted bilayer graphene

Dillon Wong, Kevin P. Nuckolls, Myungchul Oh +7

Magic-angle twisted bilayer graphene (MATBG) exhibits a rich variety of electronic states, including correlated insulators, superconductors, and topological phases. Understanding t…

physics.ins-det2019★ 39 cited

A modular ultra-high vacuum millikelvin scanning tunneling microscope

Dillon Wong, Sangjun Jeon, Kevin P. Nuckolls +3

We describe the design, construction, and performance of an ultra-high vacuum (UHV) scanning tunneling microscope (STM) capable of imaging at dilution-refrigerator temperatures and…

cond-mat.supr-con2018★ 4 cited

Surface reconstruction and charge modulation in BaFe2As2 superconducting film

S. Kim, S. Yi, M. Oh +13

Whether or not epitaxially grown superconducting films have the same bulk-like superconducting properties is an important concern. We report the structure and the electronic proper…

cond-mat.mes-hall2018★ 2 cited

Selective resolution of phonon modes in STM-IETS on clean and oxygen-adsorbed Cu(100) surfaces

Minjun Lee, Myungchul Oh, Hoyeon Jeon +5

The observation of surface phonon dispersion using local probes can provide important information related to local structural and thermal properties. In this study, surface phonon…