Detail publikace
Current-induced motion and pinning of domain walls in spin-valve nanowires studied by XMCD-PEEM
UHLÍŘ, V. PIZZINI, S. ROUGEMAILLE, N. NOVOTNÝ, J. CROS, V. JIMÉNEZ, E. FAINI, G. HEYNE, L. SIROTTI, F. TIEG, C. BENDOUNAN, A. MACCHEROZZI, F. BELKHOU, R. GROLLIER, J. ANANE, A. VOGEL, J.
Anglický název
Current-induced motion and pinning of domain walls in spin-valve nanowires studied by XMCD-PEEM
Typ
Článek recenzovaný mimo WoS a Scopus
Jazyk
en
Originální abstrakt
Very large average velocities, up to 600 m/s, have been found for domain-wall motion driven by 3-ns-long pulses of electric current in zero magnetic field in the NiFe layer of 200-nm-wide NiFe/Cu/Co nanowires. For longer pulses, the domain-wall motion is strongly hindered by pinning potentials. Dipolar interactions between the NiFe and Co layers caused by anisotropy inhomogeneities have been identified as the most important among the different potential sources of DW pinning. The domain-wall velocities increase with current density, but a substantial drop is observed at current densities above 4.1011 A/m2.
Klíčová slova anglicky
Domaim wall; Spintronics, Spin-valve, XMCD-PEEM
Vydáno
2010-06-11
ISSN
1098-0121
Ročník
81
Číslo
22
Strany od–do
224418-1–224418-10
Počet stran
10