Plasmon evolution and charge-density wave suppression in potassium intercalated 2H-TaSe2 A. König, K. Koepernik, R. Schuster, R. Kraus, M. Knupfer, B. Büchner and H. Berger EPL, 100 2 (2012) 27002 Published online: 29 October 2012 DOI: 10.1209/0295-5075/100/27002