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Related papers: Superconductivity in Cu_xTiSe_2

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Low-dimensional electron systems, as realized naturally in graphene or created artificially at the interfaces of heterostructures, exhibit a variety of fascinating quantum phenomena with great prospects for future applications. Once…

Strongly Correlated Electrons · Physics 2016-08-03 T. Ritschel , J. Trinckauf , K. Koepernik , B. Büchner , M. v. Zimmermann , H. Berger , Y. I. Joe , P. Abbamonte , J. Geck

Layered transition metal dichalcogenides (TMDs) provide an ideal platform for exploring the effects of dimensionality on correlated electronic phases such as charge density wave (CDW) order. When TMDs are reduced in thickness to the 2-D…

Mesoscale and Nanoscale Physics · Physics 2016-11-03 Linjun Li , WeiJie Zhao , Bo Liu , Tianhua Ren , Goki Eda , Kianping Loh

Spontaneously broken symmetry in the ground state of Bi-based topological materials can lead to promising Topological superconductors, such as Cu-Bi2Se3, Sr-Bi2Se3 and Nb-Bi2Se3. In recent studies, coexistence of multiple Fermi surface…

The charge-density-wave (CDW) instability in the underdoped, pseudogap part of the cuprate phase diagram has been a major recent research focus, yet measurements of dynamic, energy-resolved CDW correlations are still in their infancy. We…

Superconductivity · Physics 2020-07-01 B. Yu , W. Tabis , I. Bialo , F. Yakhou , N. Brookes , Z. Anderson , Y. Tang , G. Yu , M. Greven

Charge density wave (CDW) is a periodic modulation of electronic charge leading to a reconstruction of the lattice, an emergence of zone folded mode along with collective excitations.1 Transition metal chalcogenides have shown a great…

Materials Science · Physics 2023-11-07 Divya Rawat , Juhi Pandey , Ajay Soni

The ternary chalcogenide Bi2Rh3Se2 was found to be a charge density wave (CDW) superconductor with a 2*2 periodicity. The key questions regarding the underlying mechanism of CDW state and its interplay with lattice and electronic properties…

Charge density waves are emergent quantum states that spontaneously reduce crystal symmetry, drive metal-insulator transitions, and precede superconductivity. In low-dimensions, distinct quantum states arise, however, thermal fluctuations…

We report hard (14 keV) x-ray diffraction measurements on three compositions (x=0.11,0.12,0.13) of the high-temperature superconductor La2-xSrxCuO4. All samples show charge-density-wave (CDW) order with onset temperatures in the range 51-80…

Superconductivity · Physics 2014-07-02 T. P. Croft , C. Lester , M. S. Senn , A. Bombardi , S. M. Hayden

Charge Density Waves (CDW) are commonly associated with the presence of near-Fermi level states which are separated from others, or "nested", by a wavector of $\mathbf{q}$. Here we use Angle-Resolved Photo Emission Spectroscopy (ARPES) on…

Strongly Correlated Electrons · Physics 2023-06-12 Matthew D. Watson , Alex Louat , Cephise Cacho , Sungkyun Choi , Young Hee Lee , Michael Neumann , Gideok Kim

The complex phase diagram of 1T-TiSe2 consists of a charge density wave (CDW) below 200 K, and CDW fluctuations of still unknown origin at higher temperatures. Here, we use time-resolved extreme ultraviolet momentum microscopy and density…

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

The occurrence of charge-density-wave (CDW) order in underdoped cuprates is now well established, although the precise nature of the CDW and its relationship with superconductivity is not. Theoretical proposals include contrasting ideas…

We report the observation of a two-dimensional (2D) checkerboard charge density wave (CDW) in the low-dimensional superconductor Ta4Pd3Te16. By determining its CDW properties across the temperature-pressure (T-P) phase diagram and comparing…

Strongly Correlated Electrons · Physics 2021-01-04 Zhenzhong Shi , S. J. Kuhn , F. Flicker , T. Helm , J. Lee , W. M. Steinhardt , S. E. Dissanayake , D. Graf , J. C. Ruff , G. Fabbris , D. Haskel , Sara Haravifard

Spatially inhomogeneous electronic states are expected to be key ingredients for the emergence of superconducting phases in quantum materials hosting charge-density-waves (CDWs). Prototypical materials are transition-metal dichalcogenides…

We report coexistence of bulk superconductivity and charge density wave (CDW) with superconducting critical temperature Tc = 3.8 K in Cu intercalated quasi-two-dimensional crystals of ZrTe3. The Cu intercalation results in the expansion of…

Superconductivity · Physics 2011-06-27 Xiangde Zhu , Hechang Lei , C. Petrovic

Cuprate materials hosting high-temperature superconductivity (HTS) also exhibit various forms of charge and/or spin ordering whose significance is not fully understood. To date, static charge-density waves (CDWs) have been detected by…

Superconductivity · Physics 2015-06-12 Darius H. Torchinsky , Fahad Mahmood , Anthony T. Bollinger , Ivan Božović , Nuh Gedik

The nature of unconventional superconductivity associated with charge density wave order in transition metal dichalcogenides is currently a debated issue. Starting from a normal state elec- tronic structure followed by a charge ordered…

Strongly Correlated Electrons · Physics 2017-01-02 S Koley

The strongly correlated spin-triplet superconductor UTe2 hosts an unusual landscape of magnetic-field-sensitive charge density wave (CDW) phases, positioning it as a compelling system for studying intertwined electronic orders. A central…

The emergence of superconductivity in the octahedrally coordinated (1T) phase of TaS2 is preceded by the intriguing loss of long-range order in the charge density wave (CDW). Such decoherence, attainable by different methods, results in the…

Charge density wave (CDW) resulted from a small distortion in the lattice is able to create new orders beyond the original lattice. In 2H-NbSe2, one of the layered transition metal dichalcogenides (TMD), the 3x3 charge order appears in…