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Related papers: Spatial ordering of the charge density waves in Nb…

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Collective charge-density wave (CDW) transport was measured under a high magnetic field in NbSe$_3$ microbridges which have been cut transversely and at an angle to the chains' direction. We give evidences that the CDW sliding is driven by…

Strongly Correlated Electrons · Physics 2020-01-08 A. V. Frolov , A. P. Orlov , A. A. Sinchenko , P. Monceau

Thinning crystalline materials to two dimensions (2D) creates a rich playground for electronic phases, including charge, spin, superconducting, and topological order. Bulk materials hosting charge density waves (CDWs), when reduced to…

Charge-density-wave (CDW) instability and pressure-induced superconductivity in bulk 1T-NbS2 are predicted theoretically by first-principles calculations. We reveal a CDW instability towards the formation of a stable commensurate CDW order,…

Strongly Correlated Electrons · Physics 2020-10-20 Wei Wang , Bosen Wang , Zhibin Gao , Gang Tang , Wen Lei , Xiaojun Zheng , Huan Li , Xing Ming , Carmine Autieri

We demonstrate the sensitivity of transverse-field muon spin rotation (TF-muSR) to static charge-density-wave (CDW) order in the bulk of 2H-NbSe2. In the presence of CDW order the quadrupolar interaction of the 93Nb nuclei with the local…

Superconductivity · Physics 2015-05-06 C. Gomez , D. Braam , S. Tezok , J. E. Sonier

Disorder is generically anticipated to suppress long range charge density wave (CDW) order. We report transport, thermodynamic, and scattering experiments on Pd$_x$ErTe$_3$, a model CDW system with disorder induced by intercalation. The…

Strongly Correlated Electrons · Physics 2019-06-24 J. A. W. Straquadine , F. Weber , S. Rosenkranz , A. H. Said , I. R. Fisher

The discovery of multiple charge-density-wave (CDW) orders in superconducting cuprates and Kagome CsV3Sb5 has offered a unique milieu for studying the interplay of CDW and superconductivity and altered our perspective on their nature. Here,…

Superconductivity · Physics 2023-10-06 Shuyang Wang , Qing Wang , Chao An , Yonghui Zhou , Ying Zhou , Xuliang Chen , Ning Hao , Zhaorong Yang

Periodic spatial modulations of the superfluid density, or pair density waves, have now been widely detected in unconventional superconductors, either as the primary or the secondary states accompanying charge density waves. Understanding…

We employ ab-initio electronic structure calculations to investigate the charge-density waves and periodic lattice distortions in bilayer 2H-NbSe$_2$. We demonstrate that the vertical stacking can give rise to a variety of patterns that may…

Strongly Correlated Electrons · Physics 2024-11-08 Fabrizio Cossu , Dhani Nafday , Krisztian Palotás , Mehdi Biderang , Heung-Sik Kim , Alireza Akbari , Igor Di Marco

Atomically thin transition metal dichalcogenides can exhibit markedly different electronic properties compared to their bulk counterparts. In the case of NbSe$_2$, the question of whether its charge density wave (CDW) phase is enhanced in…

High-resolution angle-resolved photoemission spectroscopy (ARPES) data reveal evidence of a crossover from one-dimensional (1D) to three-dimensional (3D) behavior in the prototypical charge density wave (CDW) material NbSe3. In the…

Strongly Correlated Electrons · Physics 2017-05-23 Christopher W. Nicholson , Christophe Berthod , Michele Puppin , Helmuth Berger , Martin Wolf , Moritz Hoesch , Claude Monney

Competing density waves play an important role in the mystery of high-temperature superconductors. In spite of the large amount of experimental evidence, the fundamental question of whether these modulations represent charge or pairing…

Superconductivity · Physics 2020-07-15 David Dentelski , Emanuele G. Dalla Torre

We use scanning tunneling microscopy (STM) to study charge density wave (CDW) states in the rare-earth di-telluride, CeTe$_{2}$. In contrast to previous experimental and first-principles studies of the rare-earth di-tellurides, our STM…

Materials Science · Physics 2020-07-01 Bishnu Sharma , Manoj Singh , Burhan Ahmed , Boning Yu , Philip Walmsley , Ian R. Fisher , Michael C. Boyer

The collective charge density wave (CDW) conduction is modulated by a transverse single-particle current in a transistor-like device. Nonequilibrium conditions in this geometry lead to an exponential reduction of the depinning threshold,…

Strongly Correlated Electrons · Physics 2009-10-31 N. Markovic , M. A. H. Dohmen , H. S. J. van der Zant

Spatial uctuations of spin density wave (SDW) and charge density wave (CDW) in chromium have been compared by combining coherent and simultaneous X-ray diffraction experiments. Despite their close relationship, spatial fluctuations of the…

Strongly Correlated Electrons · Physics 2025-01-08 V. L. R. Jacques , E. Pinsolle , S. Ravy , G. Abramovici , David Le Bolloc'h

We employ {\it{ab-initio}} calculations to investigate the charge density waves in single-layer NbSe$_2$, and we explore how they are affected by transition metal atoms. Our calculations reproduce the observed orthorhombic phase in…

Charge-density wave (CDW) modulations in underdoped high-temperature cuprate superconductors remain a central puzzle in condensed matter physics. However, despite a substantial experimental verification of this ubiquitous phase in a large…

Strongly Correlated Electrons · Physics 2023-05-24 S. Banerjee , W. A. Atkinson , A. P. Kampf

We report measurements of anisotropic triple-$q$ charge density wave (CDW) fluctuations in the transition metal dichalcogenide 1$T$-TiSe$_2$ over a large volume of reciprocal space with X-ray diffuse scattering. Above the transition…

The interplay between superconductivity and charge density waves (CDW) in $H$-NbSe2 is not fully understood despite decades of study. Artificially introduced disorder can tip the delicate balance between two competing forms of long-range…

We have studied the nature of the surface charge distribution in CeTe3. This is a simple, cleavable, layered material with a robust one-dimensional incommensurate charge density wave (CDW). Scanning tunneling microscopy (STM) has been…

Materials Science · Physics 2009-11-13 A. Tomic , Zs. Rak , J. P. Veazey , S. D. Mahanti , S. H. Tessmer , C. D. Malliakas , M. G. Kanatzidis

The impact of variable Ti self-doping on the 1T-TiSe2 charge density wave (CDW) is studied by scanning tunneling microscopy. Supported by density functional theory we show that agglomeration of intercalated-Ti atoms acts as preferential…

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