Affiliation: | Mounira Abassi;N.Dhahri;J.Dhahri;K.Taibi;E.K.Hlil;Laboratory of Condensed Matter and Nanosciences, University of Monastir, 5019, Tunisia;Institut Néel, CNRS and Joseph Fourier university, B.P.166, 38042 Grenoble, France;Institut Néel, CNRS et Université Joseph Fourier, BP 166, F-38042, Grenoble cedex 9, France; |