Origin and Manipulation of Stable Vortex Ground States in Permalloy Nanotubes

URN to cite this document:: urn:nbn:de:bvb:355-epub-373839
DOI to cite this document:: 10.5283/epub.37383

Zimmermann, Michael

; Meier, Thomas Norbert G. ; Dirnberger, Florian ; Kákay, A. ; Decker, M. ; Wintz, S.

; Finizio, S. ; Josten, E. ; Raabe, J.

; Kronseder, Matthias

; Bougeard, Dominique

; Lindner, J. ; Back, Christian

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Date of publication of this fulltext: 11 Jun 2018 11:13

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Abstract

We present a detailed study on the static magnetic properties of individual permalloy nanotubes (NTs) with hexagonal cross-sections. Anisotropic magnetoresistance (AMR) measurements and scanning transmission X-ray microscopy (STXM) are used to investigate their magnetic ground states and its stability. We find that the magnetization in zero applied magnetic field is in a very stable vortex state. ...