Retraction: “Investigation of in-situ co-doping by Sb and P of germanium films grown on Si(001) by molecular beam epitaxy” [J. Appl. Phys. 123, 133102 (2018)]

The referenced publication¹ has been retracted by the authors because of the use of unauthorized data represented by Figs. 8, 9, 10, 11, 12, 13, and 14. These figures were obtained with the help of other scientists in IM2NP Laboratory (Marseille, France) and have been only authorized for publication in the Ph.D. thesis of M. A. Zrir.² The authors recognize that the publication of data that have been obtained with substantial help from other scientists can only be with their prior authorization. The authors sincerely apologize for this and recognize that the use of unauthorized data does not comply with the ethical standards of AIP Publishing and Journal of Applied Physics.