Two dimensional Ferroelectric domain patterns in Yb3+optically active LiNbO3 fabricated by …..Mar 22, 2013 | News, News about Publications Two dimensional Ferroelectric domain patterns in Yb3+optically active LiNbO3 fabricated by direct electron beam writingL. Mateos; L. Bausa; M.O. RamirezApplied Physics Letters, 102, 042910; published Jan 28 2013