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Related papers: Surface Charge Density Wave Transition in NbSe$_3$

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Charge density wave (CDW) states in solids bear an intimate connection to underlying fermiology. Modification of the latter by a suitable perturbation provides an attractive handle to unearth novel CDW states. Here, we combine extensive…

We measured the central ($1/2\leftrightarrow -1/2$) and first satellite ($\pm3/2\leftrightarrow \pm1/2$) lines of the \la\ NMR spectra as a function of temperature in LaAgSb$_2$, in order to elucidate the origin and nature of the…

Strongly Correlated Electrons · Physics 2022-12-01 Seung-Ho Baek , Sergey L. Bud'ko , Paul C. Canfield , F. Borsa , Byoung Jin Suh

We carried out a comprehensive study of the electronic, magnetic, and thermodynamic properties of Ni-doped ZrTe$_2$. High quality Ni$_{0.04}$ZrTe$_{1.89}$ single crystals show a possible coexistence of charge density waves (CDW,…

We report experimental evidence of charge density wave (CDW) transition in monolayer 1T-VTe$_2$ film. 4$\times$4 reconstruction peaks are observed by low energy electron diffraction below the transition temperature $T_{CDW}$ = 186 K.…

Materials Science · Physics 2019-12-18 Yuan Wang , Junhai Ren , Jiaheng Li , Yujia Wang , Huining Peng , Pu Yu , Wenhui Duan , Shuyun Zhou

We report a strong difference in the sliding properties of the bidirectional charge density wave (CDW) in the two-dimensional rare earth tritelluride ErTe$_3$ which occurs below $T_{CDW1}=265$ K with a wave vector along $c$-axis and below…

Strongly Correlated Electrons · Physics 2016-07-20 A. A. Sinchenko , P. Lejay , O. Leynaud , P. Monceau

We carefully investigated the transport and capacitance properties of few layer charge density wave (CDW) 2H-TaS2 devices. The CDW transition temperature and the threshold voltage vary from device to device, which is attributed to the…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Y. F. Cao , K. M. Cai , L. J. Li , W. J. Lu , Y. P. Sun , K. Y. Wang

Charge density wave (CDW) systems are proposed to exhibit application potential for electronic and optoelectronic devices. Therefore, identifying new materials that exhibit a CDW state at room temperature is crucial for the development of…

Single layers of transition metal dichalcogenides (TMDCs) are excellent candidates for electronic applications beyond the graphene platform; many of them exhibit novel properties including charge density waves (CDWs) and magnetic ordering.…

Mesoscale and Nanoscale Physics · Physics 2018-11-15 P. Chen , W. -W. Pai , Y. -H. Chan , V. Madhavan , M. Y. Chou , S. -K. Mo , A. -V. Fedorov , T. -C. Chiang

Incommensurate charge density waves (CDW) have the extraordinary ability to display non-Ohmic behavior when submitted to an external field. The mechanism leading to this non trivial dynamics is still not well understood, although recent…

Strongly Correlated Electrons · Physics 2020-04-01 E. Bellec , I. Gonzalez-Vallejo , V. L. R. Jacques , A. A. Sinchenko , A. P. Orlov , P. Monceau , S. J. Leake , D. Le Bolloc'h

All underdoped high-temperature cuprate superconductors appear to exhibit charge density wave (CDW) order, but both the underlying symmetry breaking and the origin of the CDW remain unclear. We use X-ray diffraction to determine the…

The role of charge order in the phase diagram of high temperature cuprate superconductors has been recently re-emphasized by the experimental discovery of an incipient bi-directional charge density wave (CDW) phase in a class of underdoped…

Strongly Correlated Electrons · Physics 2024-02-20 Gargee Sharma , Chunxiao Liu , Kangjun Seo , J. D. Sau , Sumanta Tewari

We investigate the origin of charge density wave (CDW) formation in insulators by studying BaIrO3 using high resolution (1.4 meV) photoemission spectroscopy. The spectra reveal the existence of localized density of states at the Fermi level…

Strongly Correlated Electrons · Physics 2009-11-11 Kalobaran Maiti , Ravi Shankar Singh , V. R. R. Medicherla , S. Rayaprol , E. V. Sampathkumaran

We report time-resolved x-ray scattering measurements of the transient structural response of the sliding {\bf Q}$_{1}$ charge-density-wave (CDW) in NbSe$_{3}$ to a reversal of the driving electric field. The observed time scale…

Condensed Matter · Physics 2009-10-22 E. Sweetland , A. C. Finnefrock , W. J. Podulka , M. Sutton , J. D. Brock

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

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…

Nonlinear transport properties are reported in the layered DyTe$_3$ compound at temperature below the charge-density-wave (CDW) transition, $T_P=302$ K. Conductivity is increasing sharply above the threshold electric field. Under…

Strongly Correlated Electrons · Physics 2015-06-05 A. A. Sinchenko , P. Lejay , P. Monceau

Time-resolved elastic neutron scattering combined with rapid laser heating was used to probe the charge density wave (CDW) state in 1T-TiSe$_2$, capturing both the melting and reformation of the CDW on long timescales and providing clues on…

Materials Science · Physics 2025-09-22 K. Dharmasiri , S. S. Philip , D. Louca , S. A. Chen , M. D. Frontzek , Z. J. Morgan , C. Hua

Most metallic transition metal dichalcogenides undergo charge density wave (CDW) instabilities with similar or identical ordering vectors in bulk and in single layer, albeit with different critical temperatures. Metallic 1T-TiTe$_2$ is a…

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

Competing and intertwined orders are ubiquitous in strongly correlated electron systems, such as the charge, spin, and superconducting orders in the high-Tc cuprates. Recent scanning tunneling microscopy (STM) measurements provide evidence…