A UCLA-led team discovered that synchronized electron movement can trigger electrical signals more than 100 times larger than conventional electronic materials. This breakthrough could lead to smaller, more energy-efficient devices using a quantum-like collective state of matter called charge-density-wave.
SourceUniversity of California - Los Angeles·JournalNature Electronics·TypeExperimental study·DateJun 18, 2026
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Electron crystals, similar to atomic structures of crystals, can accumulate defects as they melt. Controlling the degree of melting may enable devices with neuromorphic computing and superconductors. The researchers found that electron crystals in metals can deform and melt, similar to physical solids, and their structure could be prec...
SourceUniversity of Michigan·JournalMatter·DateMay 7, 2026
Scientists have observed a doping-tunable charge density wave (CDW) in single-layer semiconductor Chromium(III) selenide. The CDW phenomenon is extended to semiconductors, allowing for reversible tuning via surface charge transfer doping. This discovery provides insights into emergent orders in quantum materials and potential device ap...
SourceNational University of Singapore·JournalScience Advances·TypeExperimental study·DateSep 25, 2025
The study reveals significant lattice-driven CDW fluctuations in KV₃Sb₅ at temperatures far exceeding its CDW transition, providing new insights into underlying mechanisms. The research team observed in-plane band folding and lattice distortions at temperatures up to 150 K.
SourceScience China Press·JournalScience Bulletin·TypeExperimental study·DateApr 25, 2025
Scientists from Peking University discovered a way to control the electronic polar states in EuTe4, a rare CDW semiconductor material. The team used ultrafast lasers to induce reversible changes in second harmonic generation and resistance, offering new insights into the material's properties.
SourcePeking University·JournalNature Communications·DateDec 26, 2024
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Researchers developed a new technique to study charge density waves in materials, revealing two previously unobserved ways electricity can manipulate their state. The method allows for the observation of nanoscale lengths and nanosecond speeds, with potential applications in energy-efficient microelectronics.
SourceDOE/Argonne National Laboratory·JournalPhysical Review Letters·DateAug 5, 2024
A team of researchers has discovered a long-range charge-density wave order in a high-temperature superconductor induced by tensile-compressive strain, challenging conventional beliefs about magnetism as the primary driver. The findings have immense promise for elucidating the underlying mechanisms of high-temperature superconductivity.
SourceOkayama University·JournalNature Communications·TypeExperimental study·DateJul 11, 2024
A team of researchers from Boston College has observed electronic nematic order as a stand-alone phase in a titanium-based Kagome metal. The study revealed the presence of electronic unidirectionality without charge density waves, which challenges current understanding of this phenomenon.
SourceBoston College·JournalNature Physics·TypeExperimental study·DateAug 24, 2023
A team of researchers discovered that the van Hove Singularity in the kagome metal CsTi3Bi5 can be tuned without lattice structural instability. Electron doping enables modulation of the vHS in a wide energy range, decoupling electronic and structural instabilities.
SourceUniversity of Science and Technology of China·JournalPhysical Review Letters·DateAug 22, 2023
Researchers have observed unusual waves of charge within a crystal of uranium ditelluride, a previously unseen facet of its superconductivity. The findings reveal a static variation in two different properties: one related to charge and the other to interacting electron pairs.
SourceBeckman Institute for Advanced Science and Technology·JournalNature·DateAug 2, 2023
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Researchers use spectroscopic imaging scanning tunneling microscope to map atomic positions and measure electric charge, revealing link between electron density and atomic arrangements. The discovery sheds light on the emergence of a 'charge density wave' that distorts lattice vibrations and locks atoms in place.
SourceDOE/Brookhaven National Laboratory·JournalPhysical Review X·DateMay 17, 2023
Physicists at Rice University have found that magnetism subtly modifies the landscape of electron energy states in iron-germanium crystals, promoting and preparing for the formation of a charge density wave. This is one of the few known examples of a kagome material where magnetism forms first, leading to charges lining up.
SourceRice University·JournalNature Physics·TypeExperimental study·DateMar 13, 2023
Scientists have successfully detected a massive phason in a charge density wave material, confirming a long-standing theoretical prediction. The detection was made using nonlinear optical techniques and has significant implications for the development of new materials with unique properties.
SourceUniversity of Illinois Grainger College of Engineering·JournalNature Materials·DateMar 9, 2023
Researchers at Rice University have discovered a unique arrangement of atoms in iron-germanium crystals that leads to a collective dance of electrons. The phenomenon, known as a charge density wave, occurs when the material is cooled to a critically low temperature and exhibits standing waves of fluid electrons.
SourceRice University·JournalNature·TypeExperimental study·DateSep 14, 2022
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Researchers have discovered nickel oxide superconductors with the presence of charge density waves (CDWs), which accompany superconductivity. This discovery reveals that nickelates are capable of forming correlated states, hosting a variety of quantum phases, including superconductivity.
SourceDOE/SLAC National Accelerator Laboratory·JournalNature Physics·TypeExperimental study·DateJul 25, 2022
A novel quantum simulation method clarifies the correlated properties of complex material 1T-TaS2. The study reveals that the insulating behavior stems from a complex interplay between bonding-antibonding splittings and electronic correlation.
SourceNational Centre of Competence in Research (NCCR) MARVEL·JournalPhysical Review Letters·DateJul 6, 2022
Researchers at Boston College have discovered a new particle known as the axial Higgs mode, a magnetic relative of the mass-defining Higgs Boson particle. The detection was made possible by using light scattering and quantum simulator techniques in a tabletop experiment at room temperature.
SourceBoston College·JournalNature·TypeExperimental study·DateJun 8, 2022
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The team found that as superconductivity was switched off in the YBCO samples, charge density waves became more correlated, with electron ripples becoming periodic or spatially synchronized. This suggests that superconductivity fundamentally shapes the form of CDWs at the nanoscale.
SourceDOE/SLAC National Accelerator Laboratory·JournalScience·TypeExperimental study·DateMay 20, 2022
A large-scale collaboration has uncovered how charge order and superconductivity interact at the nanoscale, enabling new insights into high-temperature superconductor dynamics. The study aims to develop a framework for understanding how these materials emerge, with potential applications in energy and telecommunication systems.
SourceInstitut national de la recherche scientifique - INRS·JournalScience·DateMay 20, 2022
Researchers discovered a phase transition from charge-density-wave order to electronic nematicity in Kagome superconductor CsV3Sb5 at 35 Kelvin. This novel nematicity has Z3 symmetry, distinct from high-temperature superconductors.
SourceUniversity of Science and Technology of China·JournalNature·DateFeb 25, 2022
(TaSe4)2I fails to exhibit expected magnetoconductivity, sparking debate on axionic behavior in condensed matter. Researchers aim to investigate nonlinear dynamics and inspire new techniques for confirming axion counterparts.
SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateFeb 8, 2022
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The 'strange metal' state in high-temperature superconductors exhibits a linear function of temperature, suggesting the involvement of quantum entanglement. By suppressing charge density waves, researchers were able to restore this state, expanding its range and offering a promising new avenue for research.
SourceChalmers University of Technology·JournalScience·DateOct 27, 2021
Researchers observed pair-density waves (PDW) intertwined with charge density wave stripes in a copper oxide material, supporting the possibility that PDW is present in all superconducting cuprates. The new technique used to detect PDW has potential for directly sighting its correlations with other phases.
SourceDOE/SLAC National Accelerator Laboratory·JournalPhysical Review Letters·DateApr 21, 2021
Researchers have discovered a new material that exhibits both charge density wave and topological metal properties, featuring Weyl points and immense chiral charges. The discovery reveals an intimate connection between topology and electron correlations, opening up avenues for observing axion electrodynamics in condensed matter systems.
SourceMax-Planck-Gesellschaft·JournalNature Physics·DateJan 9, 2021
Researchers at SLAC used X-rays to observe fluctuations in charge density waves, discovering a universal dynamical scaling law that reveals the slow diffusion of a syrup-like behavior. Another study found two types of hidden arrangements, making a new link between charge stripes and high-temperature superconductivity.
SourceDOE/SLAC National Accelerator Laboratory·JournalScience Advances·DateAug 16, 2019
Researchers at University of Cologne create one-dimensional wire to witness behavior of trapped electrons. They discover two sets of standing waves, representing spin density and charge density waves, a phenomenon predicted by Tomonaga-Luttinger liquid theory.
SourceUniversity of Cologne·JournalPhysical Review X·DateApr 1, 2019
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Scientists observed a material's phase change when triggered by ultrafast laser light instead of temperature change. The process generates topological defects and affects electron dynamics. Researchers can potentially use this phenomenon for data storage systems using controlled light pulses.
SourceMassachusetts Institute of Technology·JournalNature Physics·DateOct 15, 2018
Physicists discovered that charge density waves (CDW) compete with superconductivity for conduction electrons, but also assist through phonon coupling. At a certain threshold level of disorder, CDW disappears and superconducting transition temperature is reduced.
SourceDOE/Ames National Laboratory·JournalNature Communications·DateJul 18, 2018
A new study reveals the existence of a pseudogap state in 1T-TiSe2, which shares similarities with high-Tc cuprates. The discovery indicates that CDW and superconductivity do not compete in this material, providing insight into the superconducting mechanism and its interplay with CDW.
SourceScience China Press·JournalScience Bulletin·DateApr 18, 2018
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Researchers at Ames Laboratory have found a charge density wave in purple bronze that could enable new high-temperature superconducting materials. The unusual phenomenon has been observed at temperatures as high as 220K and is accompanied by significant increases in the energy gap.
SourceDOE/Ames National Laboratory·JournalPhysical Review Letters·DateJul 22, 2016
Researchers found charge density waves extending deeply into superconducting regions, allowing for new ways to manipulate superconductivity. The discovery paves the way to controlling the superconducting state itself.
SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Materials·DateJun 21, 2016
Researchers at SLAC National Accelerator Laboratory discovered a surprising 3-D effect in a superconducting material, resolving an apparent mismatch in data and charting a new course for understanding electrons in these exotic materials. The study revealed a newly found type of 'charge density wave' closely tied to high-temperature sup...
SourceDOE/SLAC National Accelerator Laboratory·JournalScience·DateNov 5, 2015
A team of researchers used various techniques to study niobium diselenide, a material that exhibits short-range charge density wave order and pseudogap behavior across large temperature ranges. They found that increasing temperature or doping leads to the loss of coherent electronic excitations and the emergence of an energy gap.
SourceDOE/Argonne National Laboratory·JournalNature Communications·DateApr 8, 2015
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Researchers develop a new classification system for Charge Density Waves (CDWs) based on their nature, improving understanding of these complex phenomena. The study sheds light on the origin of CDWs and corrects a long-standing textbook picture, providing insights into materials science.
SourceLouisiana State University·JournalProceedings of the National Academy of Sciences·DateMar 10, 2015
Researchers observed strong energy loss due to frictional effects near charge density waves. The study has significant implications for controlling nanoscale friction.
SourceUniversity of Basel·JournalNature Materials·DateDec 15, 2013
Researchers at MIT have detected fluctuating charge-density waves in high-temperature superconductors, a key finding that could help understand the phenomenon and potentially lead to room-temperature superconductors. The new technique sheds light on the exotic state of matter, which has remained poorly understood despite intense research.
SourceMassachusetts Institute of Technology·JournalNature Materials·DateFeb 25, 2013
Physicists at Max Planck Institute find competition between superconductivity and charge density waves in copper oxide ceramics, improving understanding of zero-resistance transport. The discovery could explain unusual interactions between superconducting and magnetic materials.
SourceMax-Planck-Gesellschaft·JournalNature Materials·DateAug 17, 2012