Perpendicularly magnetized CoFeB multilayers with tunable interlayer exchange for synthetic ferrimagnets

Philipp Pirro, Abbass Hamadeh, Marion Lavanant-Jambert +7

A study of the multilayer system MgO/CoFeB(1.1nm)/Ta($t$)/CoFeB(0.8nm)/MgO is presented, where the two CoFeB layers are separated by a Ta interlayer of varying thickness $t$. The m…