Magneto-optical sensing of the pressure driven magnetic ground states in bulk CrSBr

Abstract

Competition between exchange interactions and magnetocrystalline anisotropy may bring new magnetic states that are of great current interest. An applied hydrostatic pressure can further be used to tune their balance. In this work we investigate the magnetization process of a biaxial antiferromagnet in an external magnetic field applied along the easy axis. We find that the single metamagnetic transition of the Ising type observed in this material under ambient pressure transforms under hydrostatic pressure into two transitions, a first-order spin flop transition followed by a second order transition towards a polarized ferromagnetic state near saturation. This reversible tuning into a new magnetic phase is obtained in layered bulk CrSBr at low temperature by varying the interlayer distance using high hydrostatic pressure, which efficiently acts on the interlayer magnetic exchange, and is probed by magneto-optical spectroscopy.

3 Figures, 6 pages. To appear in ACS NanoLetters

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• Raman scattering signatures of the strong spin-phonon coupling in the bulk magnetic van der Waals material CrSBr
• High pressure tuning of magnon-polarons in the layered antiferromagnet FePS${}_3$
• Designing magnetic properties in CrSBr through hydrostatic pressure and ligand substitution
• Microscopic parameters of the van der Waals CrSBr antiferromagnet from microwave absorption experiments
• Quantitative determination of interlayer electronic coupling at various critical points in bilayer MoS2
• Spatially resolved optical spectroscopy in extreme environment of low temperature, high magnetic fields and high pressure

Cited by in corpus (9)

• Charge transfer and asymmetric coupling of MoSe${}_2$ valleys to the magnetic order of CrSBr
• Ferromagnetic interlayer coupling in CrSBr crystals irradiated by ions
• Spin-mechanical coupling in 2D antiferromagnet CrSBr
• Interplay of energy and charge transfer in WSe2/CrSBr heterostructures
• Resonance Raman Scattering and Anomalous Anti-Stokes Phenomena in CrSBr
• Tunable Nanophotonic Devices and Cavities based on a Two-Dimensional Magnet
• Van der Waals CrSBr alloys with tunable magnetic and optical properties
• Resonant X-ray spectroscopies on Chromium $3\text{d}$ orbitals in CrSBr
• Magneto-Excitonic Duality From Monolayer to Trilayer CrSBr