FORC-Diagram Analysis for a Step-like Magnetization Reversal in Nanopatterned Stripe Array

Author:

Belyaev Victor K.ORCID,Murzin DmitryORCID,Martínez-García Jose C.ORCID,Rivas MontserratORCID,Andreev Nikolay V.,Kozlov Aleksei G.,Samardak Aleksei Yu.,Ognev Alexey V.,Samardak Alexander S.,Rodionova ValeriaORCID

Abstract

The fabrication approach of a magnonic crystal with a step-like hysteresis behavior based on a uniform non-monotonous iron layer made by shadow deposition on a preconfigured substrate is reported. The origin of the step-like hysteresis loop behavior is studied with local and integral magnetometry methods, including First-Order Reversal Curves (FORC) diagram analysis, accompanied with magnetic microstructure dynamics measurements. The results are validated with macroscopic magnetic properties and micromagnetic simulations using the intrinsic switching field distribution model. The proposed fabrication method can be used to produce magnonic structures with the controllable hysteresis plateau region’s field position and width that can be used to control the magnonic crystal’s band structure by changing of an external magnetic field.

Funder

Ministry of Science and Higher Education of the Russian Federation, North-West Mathematical Center

Publisher

MDPI AG

Subject

General Materials Science

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