Fermi surface induced lattice distortion in NbTe2
Corsin Battaglia, Hervé Cercellier, Florian Clerc, Laurent Despont, Michael Gunnar Garnier, Christian Koitzsch, Helmuth Berger, László Forró, Claudia Ambrosch-Draxl, Philipp Aebi
Abstract
The origin of the monoclinic distortion and domain formation in the quasi two-dimensional layer compound NbTe2 is investigated. Angle-resolved photoemission shows that the Fermi surface is pseudogapped over large portions of the Brillouin zone. Ab initio calculation of the electron and phonon bandstructure as well as the static RPA susceptibility lead us to conclude that Fermi surface nesting and electron-phonon coupling play a key role in the lowering of the crystal symmetry and in the formation of the charge density wave phase.
Create a lesson
Related papers
Hidden entropic order of emergent charges in a classical Ampère spin liquid
H. Diego Rosales, Emma M. Bizot, Flavia A. Gómez Albarracín et al.
Stability of energy gap of macroscopic quantum matter
Kangle Li, Liujun Zou
Field evolution of the multi-k magnetic states in NdB4 revealed by neutron diffraction
D. Brunt, N. Qureshi, E. Chan et al.
Interplay between Spin Stripes and Pairing Crossover in the Bilayer Hubbard Model
Zixuan Jia, Xuelei Sui, Shijie Hu et al.
Ni ordering in the van der Waals gap of Ni-intercalated 2H-NbS2: from disorder through 2×2 and 3×3 order to stripe order
Naveen Singh Dhami, Ricardo Guillermo Torres Ramirez, Gaurav Pransu et al.
Resonantly interacting 2e/3 anyons: a controlled microscopic theory of anyon superconductivity
Qingchen Li, Pavel A. Nosov, Zhaoyu Han et al.