Interplay of charge density wave and multiband superconductivity in layered quasi-two-dimensional materials: The case of 2H−NbS2 and 2H−NbSe2

2020 ◽  
Vol 4 (8) ◽  
Author(s):  
Arnab Majumdar ◽  
Derrick VanGennep ◽  
Jérémy Brisbois ◽  
Dmitriy Chareev ◽  
Andrey V. Sadakov ◽  
...  
2021 ◽  
Vol 3 (3) ◽  
Author(s):  
Alexeï Bosak ◽  
Sofia-Michaela Souliou ◽  
Clément Faugeras ◽  
Rolf Heid ◽  
Maciej R. Molas ◽  
...  

2020 ◽  
Vol 2 (4) ◽  
Author(s):  
Zhenzhong Shi ◽  
S. J. Kuhn ◽  
F. Flicker ◽  
T. Helm ◽  
J. Lee ◽  
...  

Author(s):  
Quanzhen Zhang ◽  
Zeping Huang ◽  
Yanhui Hou ◽  
Peiwen Yuan ◽  
Ziqiang Xu ◽  
...  

1993 ◽  
Vol 07 (23n24) ◽  
pp. 3973-4003 ◽  
Author(s):  
P. FOURY ◽  
J.P. POUGET

The structural instabilities towards the formation of a charge density wave (CDW) ground state exhibited by several layered Mo and W bronzes and oxides are reviewed. It is shown that in these two-dimensional (2D) metals, including the purple bronzes A x Mo 6 O 17 (A=K, Na, Tl; x≈1), the γ and η phases of MO 4 O 11 and the monophosphate tungsten bronzes with pentagonal tunnels ( PO 2)4 ( WO 3)2m(m=4, 6, 7), the CDW instability can be associated with particular chains of MoO 6 or WO 6 octahedra of the ReO 3 type slabs along which there is a strong overlap of the t 2g orbitals. The CDW critical wave vectors of the purple bronzes, Mo 4 O 11 and the tungsten bronzes with m=4 and 6 lead to a common nesting between differently oriented 1D Fermi surfaces. It is suggested that the anharmonic CDW modulation, which occurs in the tungsten bronzes with m≥7, could be the structural fingerprint of electron localization effects.


1997 ◽  
Vol 86 (1-3) ◽  
pp. 2133-2134 ◽  
Author(s):  
C. Le Touze ◽  
L.H. Nguyen ◽  
C. Schlenker ◽  
E. Steep ◽  
M. Greenblatt

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