26 citations · 41 across the 10 of their papers we have counts for
10 papers
Superconductivity near quarter and half filling of a strongly correlated triangular Hubbard band in twisted trilayer WSe2
Yungi Jeong, Kenji Watanabe, Takashi Taniguchi +1
The triangular-lattice Hubbard model is one of the paradigmatic settings for studying correlated electronic systems with geometric frustration that can give rise to a variety of ph…
Evidence for electron localisation in a moiré-of-moiré superlattice
Hangyeol Park, Junhyeok Oh, Rasoul Ghadimi +7
The localisation of electrons in a lattice potential is an quantum-mechanical phenomenon and is often associated with remarkable physical properties of solids involving electron sp…
Local thermodynamic DOS measurement and twist-angle mapping in graphene-hBN superlattices
Namkyung Lee, Hangyeol Park, Seungwon Jung +3
Moiré patterns arising from twisted van der Waals stacks fundamentally reshape their electronic properties, enabling band-structure engineering that has driven rapidly growing inte…
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…
Cryogen-free variable-temperature Kelvin probe force microscopy for probing local chemical potential in a graphene heterostructure
Namkyung Lee, Seungwon Jung, Baeksan Jang +2
We report the development of a variable-temperature Kelvin probe force microscopy (KPFM) system capable of stable and highly sensitive operation over a wide temperature range based…
Interplay of canted antiferromagnetism and nematic order in Mott insulating Sr2Ir1-xRhxO4
Hyeokjun Heo, Jeongha An, Junyoung Kwon +4
Sr2IrO4 is one of the prime candidates for realizing exotic quantum spin orders owing to the subtle combination of spin-orbit coupling and electron correlation. Sensitive local mag…
Effect of lattice relaxation on electronic spectra of helically twisted trilayer graphene: Large-scale atomistic simulation approach
Joonho Jang
Twisted trilayer graphene hosts two moiré superlattices originating from two interfaces between graphene layers. However, the system is generally unstable to lattice relaxation at…
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…
Interplay of valley, layer and band topology towards interacting quantum phases in moiré bilayer graphene
Yungi Jeong, Hangyeol Park, Taeho Kim +4
In Bernal-stacked bilayer graphene (BBG), the Landau levels give rise to an intimate connection between valley and layer degrees of freedom. Adding a moiré superlattice potential e…
Quantum spin nematic phase in a square-lattice iridate
Hoon Kim, Jin-Kwang Kim, Jimin Kim +15
Spin nematic (SN) is a magnetic analog of classical liquid crystals, a fourth state of matter exhibiting characteristics of both liquid and solid. Particularly intriguing is a vale…