Tunable magnetization damping in transition metal ternary alloys

S. Ingvarsson, Gang Xiao, S. S.P. Parkin, R. H. Koch

Rannsóknarafurð: Framlag til fræðitímaritsGreinritrýni

30 Tilvitnanir (Scopus)

Útdráttur

We show that magnetization damping in Permalloy, Ni80 Fe20, can be enhanced sufficiently to reduce postswitching magnetization precession to an acceptable level by alloying with the transition metal Os (osmium). The damping increases monotonically upon raising the Os concentration in Permalloy, at least up to 9% of Os. Other effects of alloying with Os are suppression of magnetization and enhancement of in-plane anisotropy. Magnetization damping also increases significantly upon alloying with the five other transition metals included in this study (4d elements: Nb, Ru, Rh; 5d elements: Ta, Pt) but never as strongly as with Os.

Upprunalegt tungumálEnska
Síður (frá-til)4995-4997
Síðufjöldi3
FræðitímaritApplied Physics Letters
Bindi85
Númer tölublaðs21
DOI
ÚtgáfustaðaÚtgefið - nóv. 2004

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