Angular dependence of domain wall resistivity in SrRuO3 films

Michael Feigenson; Lior Klein; James W. Reiner; Malcolm R. Beasley

Angular dependence of domain wall resistivity in SrRuO₃ films

Michael Feigenson, Lior Klein, James W. Reiner, Malcolm R. Beasley

Department of Physics

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

SrRuO₃ is a 4d itinerant ferromagnet (T_c ∼ 150 K) with stripe domain structure. Using high-quality thin films of SrRuO₃ we study the resistivity induced by its very narrow (∼ 3 nm) Bloch domain walls ρ_DW (DWR), at temperatures between 2 K and T_c as a function of the angle θ between the electric current and the ferromagnetic domains walls. We find that ρ_DW(T, θ)= sin²θρ_DW(T,90)+ B(θ)ρ_DW(T,0), which provides the first experimental indication that the angular dependence of spin accumulation contribution to DWR is sin²θ. We expect magnetic multilayers to exhibit a similar behavior.

Original language	English
Article number	134436
Pages (from-to)	1344361-1344365
Number of pages	5
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	13
State	Published - Apr 2003

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title = "Angular dependence of domain wall resistivity in SrRuO3 films",

abstract = "SrRuO3 is a 4d itinerant ferromagnet (Tc ∼ 150 K) with stripe domain structure. Using high-quality thin films of SrRuO3 we study the resistivity induced by its very narrow (∼ 3 nm) Bloch domain walls ρDW (DWR), at temperatures between 2 K and Tc as a function of the angle θ between the electric current and the ferromagnetic domains walls. We find that ρDW(T, θ)= sin2θρDW(T,90)+ B(θ)ρDW(T,0), which provides the first experimental indication that the angular dependence of spin accumulation contribution to DWR is sin2θ. We expect magnetic multilayers to exhibit a similar behavior.",

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T1 - Angular dependence of domain wall resistivity in SrRuO3 films

AU - Feigenson, Michael

AU - Klein, Lior

AU - Reiner, James W.

AU - Beasley, Malcolm R.

PY - 2003/4

Y1 - 2003/4

N2 - SrRuO3 is a 4d itinerant ferromagnet (Tc ∼ 150 K) with stripe domain structure. Using high-quality thin films of SrRuO3 we study the resistivity induced by its very narrow (∼ 3 nm) Bloch domain walls ρDW (DWR), at temperatures between 2 K and Tc as a function of the angle θ between the electric current and the ferromagnetic domains walls. We find that ρDW(T, θ)= sin2θρDW(T,90)+ B(θ)ρDW(T,0), which provides the first experimental indication that the angular dependence of spin accumulation contribution to DWR is sin2θ. We expect magnetic multilayers to exhibit a similar behavior.

AB - SrRuO3 is a 4d itinerant ferromagnet (Tc ∼ 150 K) with stripe domain structure. Using high-quality thin films of SrRuO3 we study the resistivity induced by its very narrow (∼ 3 nm) Bloch domain walls ρDW (DWR), at temperatures between 2 K and Tc as a function of the angle θ between the electric current and the ferromagnetic domains walls. We find that ρDW(T, θ)= sin2θρDW(T,90)+ B(θ)ρDW(T,0), which provides the first experimental indication that the angular dependence of spin accumulation contribution to DWR is sin2θ. We expect magnetic multilayers to exhibit a similar behavior.

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AN - SCOPUS:0038147130

SN - 0163-1829

VL - 67

SP - 1344361

EP - 1344365

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 13

M1 - 134436

ER -

Angular dependence of domain wall resistivity in SrRuO₃ films

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