期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 12, 期 9, 页码 7582-7586出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2012.6550
关键词
Thin Microwires; Domain Wall Propagation; Magnetoelastic Energy
类别
资金
- EU ERA-NET programme under project SoMaMic-Sens [MANUNET-2010-Basque-3]
- EU under FP7 EM-safety project
- Spanish Ministry of Science and Innovation, MICINN [MAT2010-18914]
- Basque Government under Saiotek 09 MICMAGN project [S-PE09UN38]
We report on studies of domain wall propagation of magnetically-bistable Fe-Co-rich microwires paying attention on the effect of applied and internal stresses. We measured magnetic domain propagation in various magnetic Fe-Co-rich amorphous microwires with metallic nucleus diameters (from 2.8 mu m to 18 mu m) using Sixtus Tonks-like experiments. We found that application of applied stresses and increasing of internal stresses result in decreasing of domain wall (DW) velocity. We assume that in order to achieve higher DW propagation velocity at the same magnetic field and enhanced DW mobility, special attention should be paid to the decrease of magnetoelastic energy.
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