Magnetoresistive effects in planar NiFe nanoconstrictions

被引：10

作者：

Florez, SH ^{[1
]}

Dreyer, M

Schwab, K

Sanchez, C

Gomez, RD

机构：

[1] Lab Phys Sci, College Pk, MD 20742 USA

[2] Univ Maryland, Dept ECE, College Pk, MD 20742 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2004年 / 95卷 / 11期

关键词：

D O I：

10.1063/1.1682831

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This study focuses on domain wall resistance in Ni80Fe20 nanowires containing narrow constrictions down to 15 nm in width. Distinct differences in the magnetoresistance curves were found to depend on the constriction size. Wider constrictions are dominated by the overall anisotropic magnetoresistance of the structure, while constrictions narrower than similar to40 nm exhibit an additional distinct contribution from a domain wall. The effect is negative and typically varies from 1% to 5%. (C) 2004 American Institute of Physics.

引用

收藏

页码：6720 / 6722

页数：3

相关论文

共 11 条

[1] Geometrically constrained magnetic wall [J].

Bruno, P .

PHYSICAL REVIEW LETTERS, 1999, 83 (12) :2425-2428

[2] THEORY OF RESIDUAL RESISTIVITY OF BLOCH WALLS .2. INCLUSION OF DIAMAGNETIC EFFECTS [J].

CABRERA, GG ;

FALICOV, LM .

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 1974, 62 (01) :217-222

[3] Spin accumulation and domain wall magnetoresistance in 35 nm Co wires [J].

Ebels, U ;

Radulescu, A ;

Henry, Y ;

Piraux, L ;

Ounadjela, K .

PHYSICAL REVIEW LETTERS, 2000, 84 (05) :983-986

[4] Magnetoresistance due to domain walls in micron scale Fe wires with stripe domains [J].

Kent, AD ;

Ruediger, U ;

Yu, J ;

Zhang, S ;

Levy, PM ;

Zhong, Y ;

Parkin, SSP .

IEEE TRANSACTIONS ON MAGNETICS, 1998, 34 (04) :900-902

[5] Resistivity due to domain wall scattering [J].

Levy, PM ;

Zhang, SF .

PHYSICAL REVIEW LETTERS, 1997, 79 (25) :5110-5113

[6] Magnetic and transport properties of sub-micron ferromagnetic wires [J].

Otani, Y ;

Kim, SG ;

Fukamichi, K ;

Kitakami, O ;

Shimada, Y .

IEEE TRANSACTIONS ON MAGNETICS, 1998, 34 (04) :1096-1098

[7] Effects of a domain wall on transport properties in mesoscopic metallic ferromagnets [J].

Tatara, G ;

Fukuyama, H .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1998, 177 :193-194

[8] Negative resistance contribution of a domain-wall structure in a constricted geometry [J].

Theeuwen, SJCH ;

Caro, J ;

Schreurs, KI ;

van Gorkom, RP ;

Wellock, KP ;

Gribov, NN ;

Radelaar, S ;

Jungblut, RM ;

Oepts, W ;

Coehoorn, R ;

Kozub, VI .

JOURNAL OF APPLIED PHYSICS, 2001, 89 (08) :4442-4453

[9] Negative domain wall resistance in ferromagnets [J].

van Gorkom, RP ;

Brataas, A ;

Bauer, GEW .

PHYSICAL REVIEW LETTERS, 1999, 83 (21) :4401-4404

[10] Magnetoresistance of a domain wall at a submicron junction [J].

Xu, YB ;

Vaz, CAF ;

Hirohata, A ;

Leung, HT ;

Yao, CC ;

Bland, JAC ;

Cambril, E ;

Rousseaux, F ;

Launois, H .

PHYSICAL REVIEW B, 2000, 61 (22) :14901-14904