Affiliation: | 1. Dpto. Fisica Aplicada I, EUPDS, UPV/EHU, Plaza Europa 1, San Sebastian, 20018, Spain;2. Inst. Phys., Fac. Sci., UPJS, Park Angelinum 9, 041 54 Kosice, Slovakia;3. Dpto. Fisica de Materiales, Fac. de Quimica, UPV/EHU, 1072, 20080, San Sebastian, Spain;4. “TAMag Iberica” S.L., P. Tecnologico de Miramon, P. Mikeletegi 56, San Sebastian, Spain |