Charge transfer and 2kF vs. 4kF instabilities in the NMP-TCNQ molecular metal and (NMP)x(Phen)1−xTCNQ solid solutionsPere Alemany, Enric Canadell and Jean-Paul PougetEPL, 113 2 (2016) 27006DOI: https://doi.org/10.1209/0295-5075/113/27006