https://research.ibm.com/publications/2klessinfgreaterflessinfgreater-and-4klessinfgreaterflessinfgreater-charge-density-waves-in-ttflessinfgreater04lessinfgreatertseflessinfgreater06lessinfgreater-tcnq-an-x-ray-study
2kF and 4kF charge-density waves in TTF0.4TSeF0.6-TCNQ - An X-ray study for Solid State...