[1] MagnetoCat SL, Gen Polavieja 9 3I, Alicante 03012, Spain
[2] Univ Jaume 1, Av Vicente Sos Baynat S-N, E-12071 Castellon De La Plana, Spain
[3] Univ Zaragoza, Dept Quim Fis, Zaragoza, Spain
[4] Univ Zaragoza, Inst Biocomputac & Fis Sistemas Complejos BIFI, Zaragoza, Spain
[5] Univ Alicante, Dept Quim Fis, Ap 99, E-03080 Alicante, Spain
[6] Univ Alicante, Inst Univ Electroquim, Ap 99, E-03080 Alicante, Spain