Structural approach to charge density waves in low-dimensional systems: electronic instability and chemical bonding

JP Pouget, E Canadell - Reports on Progress in Physics, 2024 - iopscience.iop.org
The charge density wave (CDW) instability, usually occurring in low-dimensional metals, has
been a topic of interest for longtime. However, some very fundamental aspects of the …

High-resolution inelastic X-ray scattering I: Context, spectrometers, samples, and superconductors

AQR Baron - Synchrotron Light Sources and Free-Electron Lasers …, 2020 - Springer
This chapter reviews nonresonant, meV-resolution inelastic x-ray scattering (IXS), as applied
to the measurement of atomic dynamics of crystalline materials. It, in conjunction with a …

Extended Phonon Collapse and the Origin of the Charge-Density Wave in

F Weber, S Rosenkranz, JP Castellan, R Osborn… - Physical review …, 2011 - APS
We report inelastic x-ray scattering measurements of the temperature dependence of
phonon dispersion in the prototypical charge-density-wave (CDW) compound 2 H-NbSe 2 …

Effect of dimensionality on the charge-density wave in few-layer

M Calandra, II Mazin, F Mauri - Physical Review B—Condensed Matter and …, 2009 - APS
We investigate the charge-density wave (CDW) instability in single and double layers, as
well as in the bulk 2 H-NbSe 2. We demonstrate that the density functional theory correctly …

Gaps and kinks in the electronic structure of the superconductor -NbSe from angle-resolved photoemission at 1 K

DJ Rahn, S Hellmann, M Kalläne, C Sohrt, TK Kim… - Physical Review B …, 2012 - APS
Angle-resolved photoemission spectroscopy at a temperature of 1 K is used to determine the
wave-vector dependence of the spectral gap and band renormalization due to electron …

Nb–Nb Interactions Define the Charge Density Wave Structure of 2H-NbSe2

CD Malliakas, MG Kanatzidis - Journal of the American Chemical …, 2013 - ACS Publications
2H-NbSe2 is a canonical Charge-Density-Wave (CDW) layered material the structural
details of which remained elusive. We report the detailed structure of 2H-NbSe2 below the …

Ultrafast dynamics in the high-symmetry and in the charge density wave phase of

A Anikin, RD Schaller, GP Wiederrecht, ER Margine… - Physical Review B, 2020 - APS
We investigate carrier and collective mode dynamics in 2 H-Nb Se 2 using time-resolved
optical pump-probe spectroscopy and compare the results with first-principles calculations …

Inelastic x-ray scattering from phonons

M Krisch, F Sette - Light Scattering in Solid IX, 2007 - Springer
This Chapter presents the current status of phonon-dispersion studies using very high
energy resolution inelastic X-ray scattering. The theoretical background and the instrumental …

InN thin film lattice dynamics by grazing incidence inelastic X-ray scattering

J Serrano, A Bosak, M Krisch, FJ Manjón, AH Romero… - Physical review …, 2011 - APS
Achieving comprehensive information on thin film lattice dynamics so far has eluded well
established spectroscopic techniques. We demonstrate here the novel application of grazing …

Electromagnon dispersion probed by inelastic X-ray scattering in LiCrO2

S Tóth, B Wehinger, K Rolfs, T Birol, U Stuhr… - Nature …, 2016 - nature.com
Inelastic X-ray scattering with meV energy resolution (IXS) is an ideal tool to measure
collective excitations in solids and liquids. In non-resonant scattering condition, the cross …