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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Spin Dynamics and Spin Configuration in Nanopatterned Elements

Spin Dynamics and Spin Configuration in Nanopatterned Elements

Rhensius Jan

Paperback

Physics

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ISBN10: 383810823X
ISBN13: 9783838108230
Publisher: S Dwestdeutscher Verlag F R Ho
Published: Feb 24 2012
Pages: 156
Weight: 0.52
Height: 0.36 Width: 6.00 Depth: 9.00
Language: English
This thesis gives new insights to the field of current- and field-induced domain wall dynamics phenomena in nanopatterned elements and of the role of the different energy terms to the spin configuration of half-metallic systems. Time resolved imaging allows for the determination of the effective domain wall mass and the underlying physical origins. In current-induced domain wall displacement experiments, the influence of edge roughness-induced pinning was identified as having a big influence on the critical current density that is needed to displace a domain wall in a magnetic micro- or nanowire. By applying a specially developed patterning method, the domain wall pinning at edge defects was highly reduced and the device performance was improved by a factor of four, compared to conventionally produced wires. Patterning methods for ferromagnetic half-metals were also developed and the spin structure of structured elements are characterized.

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