Emergent phases in graphene flat bands

S Bhowmik, A Ghosh, U Chandni - Reports on Progress in …, 2024 - iopscience.iop.org
Electronic correlations in two-dimensional materials play a crucial role in stabilising
emergent phases of matter. The realisation of correlation-driven phenomena in graphene …

A primer on twistronics: a massless Dirac fermion's journey to moiré patterns and flat bands in twisted bilayer graphene

D Aggarwal, R Narula, S Ghosh - Journal of Physics: Condensed …, 2023 - iopscience.iop.org
The recent discovery of superconductivity in magic-angle twisted bilayer graphene (TBLG)
has sparked a renewed interest in the strongly-correlated physics of sp 2 carbons, in stark …

Enhanced thermoelectric performance in black phosphorene via tunable interlayer twist

S Duan, Y Cui, W Yi, X Chen, B Yang, X Liu - Small, 2022 - Wiley Online Library
Abstract Twist‐angle two‐dimensional (2D) systems are attractive in their exotic and tunable
properties by the formation of the moiré superlattices, allowing easy access to manipulating …

Challenging breaking thermoelectric performance limits by twistronics

J Song, M Sun - Journal of Materials Chemistry A, 2023 - pubs.rsc.org
With today's scarce resources, the issue of energy conversion is of great concern.
Thermoelectric materials are capable of converting thermal energy to electrical energy. An …

Moiré Superlattice MXene Nanosheets Constructed from Twisted Hexagon-Ti3AlC2 by Microwave-Assisted Lewis Molten Salt Etching: Implications for Structural …

Q Wu, Y Xue, S Chao, F Wu, L Li… - ACS Applied Nano …, 2022 - ACS Publications
In order to solve the problem of instability of MXene nanosheet structure in electrochemical
energy storage processes, inspired by the moiré superlattice effect of magic angle …

The thermoelectric effect and its natural heavy fermion explanation in twisted bilayer and trilayer graphene

D Călugăru, H Hu, RL Merino, N Regnault… - arxiv preprint arxiv …, 2024 - arxiv.org
We study the interacting transport properties of twisted bilayer graphene (TBG) using the
topological heavy-fermion (THF) model. In the THF model, TBG comprises localized …

Quantum transport anomalies in dispersionless quantum states

A Kruchkov - Physical Review B, 2023 - APS
Dispersionless quantum states (“flat bands”) are counterintuitive: with the electron velocity
vanishing, our conventional notions of quasiparticle transport are no longer valid. While the …

Evidence of heavy fermion physics in the thermoelectric transport of magic angle twisted bilayer graphene

RL Merino, D Calugaru, H Hu, J Diez-Merida… - arxiv preprint arxiv …, 2024 - arxiv.org
It has been recently postulated, that the strongly correlated flat bands of magicangle twisted
bilayer graphene (MATBG) can host coexisting heavy and light carriers. While transport and …

Demonstration and imaging of cryogenic magneto-thermoelectric cooling in a van der Waals semimetal

T Völkl, A Aharon-Steinberg, T Holder, E Alpern… - Nature Physics, 2024 - nature.com
Attaining viable thermoelectric cooling at cryogenic temperatures is of considerable
fundamental and technological interest for electronics and quantum materials applications …

High-mobility compensated semimetals, orbital magnetization, and umklapp scattering in bilayer graphene moire superlattices

AL Shilov, MA Kashchenko, PA Pantaleón Peralta… - ACS …, 2024 - ACS Publications
Twist-controlled moiré superlattices (MSs) have emerged as a versatile platform for realizing
artificial systems with complex electronic spectra. The combination of Bernal-stacked bilayer …