DOI: 10.1063/1.2913318. Direct observation of domain wall structures in curved permalloy wires containing an antinotch

Direct observation of domain wall structures in curved permalloy wires containing an antinotch

10.1063/1.2913318

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

The formation and field response of head-to-head domain walls in curved permalloy wires, fabricated to contain a single antinotch, have been investigated using Lorentz microscopy. High spatial resolution maps of the vector induction distribution in domain walls close to the antinotch have been derived and compared with micromagnetic simulations. In wires of 10 nm thickness the walls are typically of a modified asymmetric transverse wall type. Their response to applied fields tangential to the wire at the antinotch location was studied. The way the wall structure changes depends on whether the field moves the wall away from or further into the notch. Higher fields are needed and much more distorted wall structures are observed in the latter case, indicating that the antinotch acts as an energy barrier for the domain wall.

Bibliography

Sandweg, C. W., Wiese, N., McGrouther, D., Hermsdoerfer, S. J., Schultheiss, H., Leven, B., McVitie, S., Hillebrands, B., & Chapman, J. N. (2008). Direct observation of domain wall structures in curved permalloy wires containing an antinotch. Journal of Applied Physics, 103(9).

Authors 9

C. W. Sandweg (first)
N. Wiese (additional)
D. McGrouther (additional)
S. J. Hermsdoerfer (additional)
H. Schultheiss (additional)
B. Leven (additional)
S. McVitie (additional)
B. Hillebrands (additional)
J. N. Chapman (additional)

References 16 Referenced 40

10.1126/science.1108813 / Science (2005)
10.1126/science.1145799 / Science (2008)
10.1103/PhysRevB.69.064401 / Phys. Rev. B (2004)
10.1038/nature03009 / Nature (London) (2004)
10.1038/nmat931 / Nat. Mater. (2003)
10.1002/9780470022184 / Handbook of Magnetism and Advanced Magnetic Materials by Kronmüller (2007)
10.1063/1.2709989 / Appl. Phys. Lett. (2007)
{'volume-title': 'Magnetic Domains', 'year': '1998', 'key': '2023073104035582800_c8'} / Magnetic Domains (1998)
10.1116/1.588536 / J. Vac. Sci. Technol. B (1996)
10.1088/0022-3727/17/4/003 / J. Phys. D (1984)
10.1109/20.334125 / IEEE Trans. Magn. (1994)
{'volume-title': 'OOMMF User’s Guide, Version 1.0', 'year': '1999', 'key': '2023073104035582800_c12'} / OOMMF User’s Guide, Version 1.0 (1999)
10.1063/1.2753541 / Appl. Phys. Lett. (2007)
D. Petit, A. -V. Jausovec, D. Read, and R. P. Cowburn, e-print arXiv:0711.5026 [cond-mat.mtrl-sci], v2 (2007).
10.1063/1.2042542 / Appl. Phys. Lett. (2005)
10.1063/1.2779109 / Appl. Phys. Lett. (2007)

Dates

Type	When
Created	17 years, 3 months ago (May 7, 2008, 6:15 p.m.)
Deposited	2 years ago (July 31, 2023, 12:04 a.m.)
Indexed	3 weeks, 1 day ago (July 30, 2025, 6:51 a.m.)
Issued	17 years, 3 months ago (May 1, 2008)
Published	17 years, 3 months ago (May 1, 2008)
Published Online	17 years, 3 months ago (May 7, 2008)
Published Print	17 years, 3 months ago (May 1, 2008)

Funders 0

None

BibTeX

@article{Sandweg_2008, title={Direct observation of domain wall structures in curved permalloy wires containing an antinotch}, volume={103}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.2913318}, DOI={10.1063/1.2913318}, number={9}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Sandweg, C. W. and Wiese, N. and McGrouther, D. and Hermsdoerfer, S. J. and Schultheiss, H. and Leven, B. and McVitie, S. and Hillebrands, B. and Chapman, J. N.}, year={2008}, month=may }

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