Hysteresis-free switching between vortex and collinear magnetic states

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Title
Hysteresis-free switching between vortex and collinear magnetic states
Title of Series
Author
Östman, Erik
Arnalds, Unnar B.
Melander, Emil
Kapaklis, Vassilios
Pálsson, Gunnar K.
Saw, Alexander Y.
Verschuuren, Marc A.
Kronast, Florian
Papaioannou, Evangelos Th.
Fadley, Charles S.
Hjörvarsson, Björgvin
License
CC Attribution 3.0 Unported:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Release Date
2014
Language
No linguistic content; Not applicable

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Abstract
We demonstrate a lossless switching between vortex and collinear magnetic states in circular FePd disks arranged in a square lattice. Above a bifurcation temperature (Te) we show that thermal fluctuations are enough to facilitate flipping between the two distinctly different magnetic states. We find that the temperature dependence of the vortex annihilation and nucleation fields can be described by a simple power law relating them to the saturation magnetization.

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  311 ms - page object

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AV-Portal 3.19.2 (70adb5fbc8bbcafb435210ef7d62ffee973cf172)
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