Recent progress in strain engineering on van der Waals 2D materials: Tunable electrical, electrochemical, magnetic, and optical properties

Y Qi, MA Sadi, D Hu, M Zheng, Z Wu… - Advanced …, 2023 - Wiley Online Library
Strain engineering is a promising way to tune the electrical, electrochemical, magnetic, and
optical properties of 2D materials, with the potential to achieve high‐performance 2D …

Phase diagram of nickelate superconductors calculated by dynamical vertex approximation

K Held, L Si, P Worm, O Janson, R Arita, Z Zhong… - Frontiers in …, 2022 - frontiersin.org
We review the electronic structure of nickelate superconductors with and without effects of
electronic correlations. As a minimal model, we identify the one-band Hubbard model for the …

Non-Abelian band topology in noninteracting metals

QS Wu, AA Soluyanov, T Bzdušek - Science, 2019 - science.org
The topology of line nodes Band structure degeneracies in topological materials can take
the form of lines or even chains of interconnected loops. Wu et al. study theoretically these …

Pb10− x Cu x (PO4) 6O: a Mott or charge transfer insulator in need of further do** for (super) conductivity

L Si, M Wallerberger, A Smolyanyuk… - Journal of Physics …, 2023 - iopscience.iop.org
We briefly review the status quo of research on the putative superconductor Pb 9 Cu (PO 4)
6 O also known as LK-99. Further, we provide ab initio derived tight-binding parameters for a …

Magnon interactions in a moderately correlated Mott insulator

Q Wang, S Mustafi, E Fogh, N Astrakhantsev… - Nature …, 2024 - nature.com
Quantum fluctuations in low-dimensional systems and near quantum phase transitions have
significant influences on material properties. Yet, it is difficult to experimentally gauge the …

Possible strain-induced enhancement of the superconducting onset transition temperature in infinite-layer nickelates

X Ren, J Li, WC Chen, Q Gao, JJ Sanchez… - Communications …, 2023 - nature.com
The mechanism of unconventional superconductivity in correlated materials remains a great
challenge in condensed matter physics. The recent discovery of superconductivity in infinite …

Optimizing superconductivity: from cuprates via nickelates to palladates

M Kitatani, L Si, P Worm, JM Tomczak, R Arita… - Physical Review Letters, 2023 - APS
Motivated by cuprate and nickelate superconductors, we perform a comprehensive study of
the superconducting instability in the single-band Hubbard model. We calculate the …

Strain-tuned incompatible magnetic exchange-interaction in La2NiO4

I Biało, L Martinelli, G De Luca, P Worm… - Communications …, 2024 - nature.com
Magnetic frustration is a route for novel ground states, including spin liquids and spin ices.
Such frustration can be introduced through either lattice geometry or incompatible exchange …

Orbital-overlap-driven hybridization in 3d-transition metal perovskite oxides LaMO3 (M = Ti-Ni) and La2CuO4

CY Liu, L Celiberti, R Decker, K Ruotsalainen… - Communications …, 2024 - nature.com
The wide tunability of strongly correlated transition metal (TM) oxides stems from their
complex electronic properties and the coupled degrees of freedom. Among the perovskite …

Ab initio low-energy effective Hamiltonians for the high-temperature superconducting cuprates and

JB Morée, M Hirayama, MT Schmid, Y Yamaji, M Imada - Physical Review B, 2022 - APS
We derive ab initio low-energy effective Hamiltonians (LEH) for high-temperature
superconducting (SC) copper oxides Bi 2 Sr 2 CuO 6 (Bi2201, N ℓ= 1, T c exp∼ 10 K), Bi 2 …