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Charge-Order on the Triangular Lattice: A Mean-Field Study for the Lattice S = 1/2 Fermionic Gas [PDF]

open access: yesNanomaterials, 2021
The adsorbed atoms exhibit tendency to occupy a triangular lattice formed by periodic potential of the underlying crystal surface. Such a lattice is formed by, e.g., a single layer of graphane or the graphite surfaces as well as (111) surface of face ...
Konrad Jerzy Kapcia
doaj   +2 more sources

Fate of charge order in overdoped La-based cuprates [PDF]

open access: yesnpj Quantum Materials, 2023
In high-temperature cuprate superconductors, stripe order refers broadly to a coupled spin and charge modulation with a commensuration of eight and four lattice units, respectively.
K. von Arx   +20 more
doaj   +2 more sources

An electronic origin of charge order in infinite-layer nickelates [PDF]

open access: yesNature Communications, 2023
A charge order (CO) with a wavevector $${{{{{{{\bf{q}}}}}}}}\simeq \left(\frac{1}{3},\, 0,\, 0\right)$$ q ≃ 1 3 , 0 , 0 is observed in infinite-layer nickelates.
Hanghui Chen   +3 more
doaj   +2 more sources

Terahertz-field-induced polar charge order in electronic-type dielectrics [PDF]

open access: yesNature Communications, 2021
Photoinduced phase transition is a central issue in the field of non-equilibrium quantum physics. Here, the authors demonstrate that a terahertz electric-field pulse changes a Mott insulator of an organic molecular compound to a macroscopically polarized
H. Yamakawa   +13 more
doaj   +2 more sources

Two-dimensional charge order stabilized in clean polytype heterostructures [PDF]

open access: yesNature Communications, 2022
Correlated quantum states in free-standing two-dimensional materials are susceptible to defects and thermal disorder. Here, the authors demonstrate two-dimensional ordered charge density wave states above room temperature in clean interleaved polytype ...
Suk Hyun Sung   +17 more
doaj   +2 more sources

Encoding multistate charge order and chirality in endotaxial heterostructures [PDF]

open access: yesNature Communications, 2023
High-density phase change memory (PCM) storage is proposed for materials with multiple intermediate resistance states, which have been observed in 1T-TaS2 due to charge density wave (CDW) phase transitions. However, the metastability responsible for this
Samra Husremović   +11 more
doaj   +2 more sources

Charge orders in organic charge-transfer salts

open access: yesNew Journal of Physics, 2017
Motivated by recent experimental suggestions of charge-order-driven ferroelectricity in organic charge-transfer salts, such as κ -(BEDT-TTF) _2 Cu[N(CN) _2 ]Cl, we investigate magnetic and charge-ordered phases that emerge in an extended two-orbital ...
Ryui Kaneko   +3 more
doaj   +6 more sources

Broken symmetries associated with a Kagome chiral charge order [PDF]

open access: yesNature Communications
Chirality, or handedness, is ubiquitous in science, from cell biology to physics, and in condensed matter can underlie exotic phases such as chiral charge density waves and chiral superconductivity. However, detecting subtle broken symmetries that define
Zi-Jia Cheng   +19 more
doaj   +2 more sources

Unconventional charge order in a co-doped high-Tc superconductor [PDF]

open access: yesNature Communications, 2016
Understanding of how charge stripe order emerges in cuprates remains elusive. Here, Pelc et al. report the discovery of a charge nematic phase between charge-stripe order and pseudogap state in La1.8-xEu0.2SrxCuO4, resolving the process of charge stripe ...
D. Pelc   +4 more
doaj   +2 more sources

Dynamic charge order from strong correlations in the cuprates

open access: yesFrontiers in Electronic Materials
Charge order has been a central focus in the study of cuprate high-temperature superconductors due to its intriguing yet not fully understood connection to superconductivity. Recent advances in resonant inelastic x-ray scattering (RIXS) in the soft x-ray
Eduardo H. da Silva Neto   +4 more
doaj   +3 more sources

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