Depinning of vortex domain walls from an asymmetric notch in a permalloy nanowire

被引：18

作者：

Zhu, Weiwei ^{[1
]}

Liao, Jialin ^{[1
]}

Zhang, Zongzhi ^{[1
]}

Ma, B. ^{[1
]}

Jin, Q. Y. ^{[1
,2
,3
]}

Liu, Yaowen ^{[4
]}

Huang, Zhaocong ^{[5
]}

Hu, Xuefeng ^{[5
]}

Ding, An ^{[5
]}

Wu, Jing ^{[6
]}

Xu, Yongbing ^{[5
]}

机构：

[1] Fudan Univ, Dept Opt Sci & Engn, Minist Educ, Key Lab Micro & Nano Photon Struct, Shanghai 200433, Peoples R China

[2] E China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China

[3] E China Normal Univ, Dept Phys, Shanghai 200062, Peoples R China

[4] Tongji Univ, Dept Phys, Shanghai 200092, Peoples R China

[5] Univ York, Dept Elect, York Lab Spintron & Nanodevices, York YO10 5DD, N Yorkshire, England

[6] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 08期

关键词：

PROPAGATION;

D O I：

10.1063/1.4745788

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The mechanism of depinning process of vortex domain wall (DW) in a planar magnetic nanowire with an asymmetric notch is investigated by using focused magneto-optical Kerr effect (MOKE) magnetometer and micromagnetic modeling. Two distinct depinning fields are directly observed by the single-shot MOKE measurements. Micromagnetic modeling provides physical insight into the details of how the depinning process develops at the asymmetric notch and reveals that the different depinning fields originate from the different chiralities of the vortex DWs. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4745788]

引用

页数：4

共 50 条

[21] Hall micromagnetometry of domain-wall depinning in Permalloy nanowires
Lendecke, Peter
Merkt, Ulrich
Meier, Guido
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2010, 322 (9-12) : 1399 - 1401
[22] QUANTUM DEPINNING OF DOMAIN-WALLS IN FERROMAGNETS
ZHANG, XX
ZQUIAK, R
BARBARA, B
TEJADA, J
JOURNAL OF PHYSICS-CONDENSED MATTER, 1992, 4 (50) : 10347 - 10352
[23] Depinning of domain walls with an internal degree of freedom
Lecomte, V.
Barnes, S. E.
Eckmann, J. -P.
Giamarchi, T.
PHYSICAL REVIEW B, 2009, 80 (05):
[24] Depinning fields of a magnetic domain wall from asymmetric notches
Himeno, A
Kasai, S
Ono, T
JOURNAL OF APPLIED PHYSICS, 2006, 99 (08)
[25] Depinning fields of a magnetic domain wall from asymmetric notches
Himeno, A.
Kasai, S.
Ono, T.
Journal of Applied Physics, 2006, 99 (08):
[26] Depinning of Transverse Domain Walls from Notches in Magnetostatically Coupled Nanostrips
Garcia-Sanchez, Felipe
Kakay, Attila
Hertel, Riccardo
Asselin, Pierre
APPLIED PHYSICS EXPRESS, 2011, 4 (03)
[27] Substantial reduction in the depinning field of vortex domain walls triggered by spin-transfer induced resonance
Nozaki, T.
Maekawa, H.
Mizuguchi, M.
Shiraishi, M.
Shinjo, T.
Suzuki, Y.
Maehara, H.
Kasai, S.
Ono, T.
APPLIED PHYSICS LETTERS, 2007, 91 (08)
[28] Quantum depinning of the magnetic vortex core in micron-size permalloy disks
Zarzuela, Ricardo
Velez, Sauel
Manel Hernandez, Joan
Tejada, Javier
Novosad, Valentyn
PHYSICAL REVIEW B, 2012, 85 (18):
[29] Magnetic domain wall dynamics in a permalloy nanowire
Atkinson, D
Allwood, DA
Faulkner, CC
Xiong, G
Cooke, MD
Cowburn, RP
IEEE TRANSACTIONS ON MAGNETICS, 2003, 39 (05) : 2663 - 2665
[30] Determination of Domain Wall Depinning and Driving Currents in Doped Permalloy Structures
Lepadatu, Serban
Claydon, Jill S.
Ciudad, David
Kinane, Christy J.
Langridge, Sean
Cavill, Stuart
Dhesi, Sarnjeet S.
Marrows, Christopher H.
IEEE TRANSACTIONS ON MAGNETICS, 2010, 46 (06) : 1759 - 1761

← 1 2 3 4 5 →