Aufsatz in einer Fachzeitschrift
Engineered magnetic domain textures in exchange bias bilayer systems



Details zur Publikation
Autor(inn)en:
Gaul, A.; Hankemeier, S.; Holzinger, D.; Müglich, N.; Staeck, P.; Frömter, R.; Oepen, H.; Ehresmann, A.
Publikationsjahr:
2016
Zeitschrift:
Journal of Applied Physics
Seitenbereich:
033902
Jahrgang/Band:
120
ISSN:
0021-8979
Sprachen:
Englisch

Zusammenfassung, Abstract


magnetic domain texture has been deterministically engineered in a topographically flat exchange-biased (EB) thin film system. The texture consists of long-range periodically arranged unit cells of four individual domains, characterized by individual anisotropies, individual geometry, and with non-collinear remanent magnetizations. The texture has been engineered by a sequence of light-ion bombardment induced magnetic patterning of the EB layer system. The magnetic texture's in-plane spatial magnetization distribution and the corresponding domain walls have been characterized by scanning electron microscopy with polarization analysis (SEMPA). The influence of magnetic stray fields emerging from neighboring domain walls and the influence of the different anisotropies of the adjacent domains on the Néel type domain wall core's magnetization rotation sense and widths were investigated. It is shown that the usual energy degeneracy of clockwise and counterclockwise rotating magnetization through the walls is revoked, suppressing Bloch lines along the domain wall. Estimates of the domain wall widths for different domain configurations based on material parameters determined by vibrating sample magnetometry were quantitatively compared to the SEMPA data.



Zuletzt aktualisiert 2019-25-07 um 13:27