Longitudinal-optical phonon hole-plasmon coupled modes in heavily doped p-type GaSb:Zn epitaxial films Z. G. Hu, M. B.M. Rinzan, A. G.U. Perera, Y. Paltiel, A. Raizman, A. Sher and M. Zhu Eur. Phys. J. B, 50 3 (2006) 403-410 Published online: 05 May 2006 DOI: 10.1140/epjb/e2006-00154-5