Magnetic field-dependent shape anisotropy in small patterned films studied using rotating magnetoresistance.

Abstract:

:Based on the electric rotating magnetoresistance method, the shape anisotropy of a Co microstrip has been systematically investigated. We find that the shape anisotropy is dependent not only on the shape itself, but also on the magnetization distribution controlled by an applied magnetic field. Together with micro-magnetic simulations, we present a visualized picture of how non-uniform magnetization affects the values and polarities of the anisotropy constants K1 and K2. From the perspective of potential appliantions, our results are useful in designing and understanding the performance of micro- and nano-scale patterned ferromagnetic units and the related device properties.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Fan X,Zhou H,Rao J,Zhao X,Zhao J,Zhang F,Xue D

doi

10.1038/srep16139

subject

Has Abstract

pub_date

2015-11-13 00:00:00

pages

16139

issn

2045-2322

pii

srep16139

journal_volume

5

pub_type

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