Three-dimensional simulation of the disturbance of magnetic domain walls by magnetic force microscope tips

1997 ◽  
Vol 81 (8) ◽  
pp. 4686-4688 ◽  
Author(s):  
S. Huo ◽  
J. E. L. Bishop ◽  
J. W. Tucker ◽  
W. M. Rainforth ◽  
H. A. Davies
Keyword(s):  
Magnetic Force ◽  
Domain Walls ◽  
Three Dimensional ◽  
Magnetic Domain ◽  
Magnetic Force Microscope ◽  
Magnetic Domain Walls ◽  
Dimensional Simulation

Effects of Magnetic Domain Walls on the Anisotropic Magnetoresistance in NiFe Nanowires

2015 ◽  
Vol 15 (10) ◽  
pp. 7620-7623 ◽  
Author(s):  
Chunghee Nam
Keyword(s):  
Magnetic Field ◽  
Magnetic Force ◽  
Domain Walls ◽  
Magnetic Domain ◽  
Anisotropic Magnetoresistance ◽  
Magnetic Force Microscope ◽  
Micromagnetic Simulations ◽  
Magnetic Domain Walls ◽  
Magnetic Wires ◽  
Low Magnetic Field

We show that a type of magnetic domain walls (DWs) can be monitored by anisotropic magnetoresistance (AMR) measurements due to a specific DW volume depending on the DW type in NiFe magnetic wires. A circular DW injection pad is used to generate DWs at a low magnetic field, resulting in reliable DW introduction into magnetic wires. DW pinning is induced by a change of DW energy at an asymmetric single notch. The injection of DW from the circular pad and its pinning at the notch is observed by using AMR and magnetic force microscope (MFM) measurements. A four-point probe AMR measurement allows us to distinguish the DW type in the switching process because DWs are pinned at the single notch, where voltage probes are closely placed around the notch. Two types of AMR behavior are observed in the AMR measurements, which is owing to a change of DW structures. MFM images and micromagnetic simulations are consistent with the AMR results.

Magnetic Force Microscopic Study on Domain-Wall Molecules in NiFe Nano Rings

2009 ◽  
Vol 152-153 ◽  
pp. 529-532
Author(s):  
Kohei Sasage ◽  
Naoya Okamoto ◽  
Hana Tsujikawa ◽  
Takehiro Yamaoka ◽  
Eiji Saitoh
Keyword(s):  
Magnetic Field ◽  
Magnetic Force Microscopy ◽  
Magnetic Force ◽  
Domain Walls ◽  
Magnetic Domain ◽  
Threshold Value ◽  
Magnetostatic Interaction ◽  
Stray Magnetic Field ◽  
Force Microscopy ◽  
Magnetic Domain Walls

A pair of magnetic domain walls (DWs) in ferromagnetic NiFe rings has been investigated in terms of the magnetic force microscopy (MFM). When the distance between the rings d is greater than a threshold value dth, MFM signals indicate that a DW in the ring is dragged due to a stray magnetic field from an MFM probe tip. When d < dth, this drag signals disappears; DWs are bound to each other by the DW-DW interaction. This transition can be argued in terms of the competition between the DW-DW magnetostatic interaction and the DW-drag potential. From the d-dependent MFM data, the DW-drag potential was estimated.

Quantitative imaging of magnetic domain walls in thin films using Lorentz and magnetic force microscopies

2001 ◽  
Vol 90 (10) ◽  
pp. 5220-5227 ◽  
Author(s):  
Stephen McVitie ◽  
Gordon S. White ◽  
Jamie Scott ◽  
Patrick Warin ◽  
John N. Chapman
Keyword(s):  
Thin Films ◽  
Magnetic Force ◽  
Domain Walls ◽  
Quantitative Imaging ◽  
Magnetic Domain ◽  
Magnetic Domain Walls

scholarly journals Phase shifter based on voltage-controlled magnetic domain walls

AIP Advances ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 075225
Author(s):  
Xiao Zhang ◽  
Chen Zhang ◽  
Chonglei Sun ◽  
Xiao Xu ◽  
Liuge Du ◽  
...  
Keyword(s):  
Phase Shifter ◽  
Domain Walls ◽  
Magnetic Domain ◽  
Magnetic Domain Walls
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