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Bulk-like magnetic moment of epitaxial two-dimensional superlattices

DOI: 10.1109/TMAG.2021.3084747 DOI Help

Authors: Jiabao Sun (Royal Holloway University of London) , Shanshan Liu (Fudan University) , Faxian Xiu (Fudan University) , Wenqing Liu (Royal Holloway University of London)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Ieee Transactions On Magnetics

State: Published (Approved)
Published: May 2021
Diamond Proposal Number(s): 20748

Abstract: Over the past four years, the magnetism of 2D magnets has been extensively studied by the full arsenal of probing techniques. 2D magnets can be incorporated to form heterostructures with clean and sharp interfaces, which gives rise to exotic phenomena as a result of the interfacial proximity effect. Here we report a detailed study of the spin (ms) and orbital (ml) moments of an epitaxial (CrSb/Fe3GeTe2)6 superlattice. The synchrotron-radiation based x-ray magnetic circular dichroism (XMCD) technique was performed to probe the microscopic magnetic properties of the superlattices in an elemental resolved manner. We unambiguously obtained a bulk-like moment of Fe3GeTe2 i.e., ms = 1.58 ± 0.2 μB/Fe and ml = 0.22 ± 0.02 μB/Fe. Future works to explore the tuning of the spin polarized band structure of 2D ferromagnetic superlattices will be of great interest and can have strong implications for both fundamental physics and the emerging spintronics technology.

Journal Keywords: 2D magnets; superlattice; epitaxial thin films; magnetic moment; x-ray magnetic circular dichroism (XMCD); spintronics

Diamond Keywords: Spintronics; Ferromagnetism

Subject Areas: Materials, Physics

Instruments: I10-Beamline for Advanced Dichroism

Added On: 01/06/2021 10:24

Discipline Tags:

Materials Science Quantum Materials Physics Electronics Hard condensed matter - electronic properties Magnetism Surfaces interfaces and thin films

Technical Tags:

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