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Magnetization dynamics in ordered spin structures revealed by diffractive and reflectometry ferromagnetic resonance

DOI: 10.1063/9.0000058 DOI Help

Authors: D. M. Burn (Diamond Light Source) , S. L. Zhang (University of Oxford; ShanghaiTech University) , Gerrit Van Der Laan (Diamond Light Source) , T. Hesjedal (University of Oxford)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Aip Advances , VOL 11

State: Published (Approved)
Published: January 2021
Diamond Proposal Number(s): 18898 , 23895

Open Access Open Access

Abstract: Synchrotron radiation based techniques provide unique insight into both the element and time resolved magnetization behavior in magnetic spin systems. Here, we highlight the power of two recent developments, utilizing x-ray scattering techniques to reveal the precessional magnetization dynamics of ordered spin structures in the GHz regime, both in diffraction and reflection configurations. Our recently developed diffraction and reflectometry ferromagnetic resonance (DFMR and RFMR) techniques provide novel ways to explore the dynamics of modern magnetic materials, thereby opening up new pathways for the development of spintronic devices. In this paper we provide an overview of these techniques, and discuss the new understanding they provide into the magnetization dynamics in the chiral magnetic structure in Y-type hexaferrite and the depth dependence to the magnetization dynamics in a [CoFeB/MgO/Ta]4 multilayer.

Journal Keywords: Ferromagnetic resonance; Magnetization dynamics; X-ray scattering; Magnetic materials; Reflectometry

Diamond Keywords: Spintronics

Subject Areas: Materials, Physics


Instruments: I10-Beamline for Advanced Dichroism

Documents:
9.0000058.pdf

Discipline Tags:

Electronics Hard condensed matter - electronic properties Magnetism Material Sciences Multiferroics Physics Quantum Materials

Technical Tags:

Circular Dichroism (CD) Spectroscopy X-ray Magnetic Circular Dichroism (XMCD)