Bibliography:

[1]: Rossnagel. On the Origin of Charge Density Waves in Select Layered Transition Metal Dichalcogenides. 2011 J. Phys.: Condens. Matter 23 213001

[2]: Gruner, G. Density Waves in Solids

[3]: Song et. al. Excitonic Instabilities and Insulating States in Bilayer Graphene. Physical Review B 86, 205418 (2012)

[4]: Crawack, Pettenkofer. Calculation and XPS measurements of the Ta4f CDW splitting inCu, Cs and Li intercalation phases of 1T-TaX2 (X=S, Se). Solid State Communications 118 2001) 325-332

[5]: Sacks et. al. Voltage-dependent STM Image of a Charge Density Wave. Physical Review B 15 May 1998-II Volume 57, Number 20

[6]: Chen, C.H. . Electron Diffraction Study of the Charge-Density-Wave Superlattice in 2H-NbSe2

[7]: