Anomalous spin-lattice coupling in a 2D antiferromagnetic semiconductor revealed by surface acoustic Rayleigh waves.

Zahra Ebrahim Nataj, Md Sabbir Hossen Bijoy, Vladislav Korostelev, Jordan Teeter, Dylan Wright, Mohammad Zeinolabedini, Konstantin Klyukin, Fariborz Kargar, Alexander A Balandin

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Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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9 authors.

Zahra Ebrahim NatajDepartment of Materials Science and Engineering, University of California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0002-7482-2395

Md Sabbir Hossen BijoyDepartment of Mechanical Engineering, Materials Research and Education Center, Auburn University, Auburn, AL, USA.

Vladislav KorostelevDepartment of Mechanical Engineering, Materials Research and Education Center, Auburn University, Auburn, AL, USA.ORCID http://orcid.org/0000-0003-2380-5170

Jordan TeeterDepartment of Materials Science and Engineering, University of California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0002-8149-4430

Dylan WrightDepartment of Materials Science and Engineering, University of California, Los Angeles, CA, USA.

Mohammad ZeinolabediniDepartment of Mechanical Engineering, Materials Research and Education Center, Auburn University, Auburn, AL, USA.

Konstantin KlyukinDepartment of Mechanical Engineering, Materials Research and Education Center, Auburn University, Auburn, AL, USA.

Fariborz KargarDepartment of Mechanical Engineering, Materials Research and Education Center, Auburn University, Auburn, AL, USA. fkargar@auburn.edu.ORCID http://orcid.org/0000-0003-2192-2023

Alexander A BalandinDepartment of Materials Science and Engineering, University of California, Los Angeles, CA, USA. balandin@seas.ucla.edu.ORCID http://orcid.org/0000-0002-9944-7894

Funding

National Science Foundation (NSF) 2019056National Science Foundation (NSF) 2436557

6 · The paper itself

Abstract

Magnetic order in van der Waals magnets can strongly influence their lattice dynamics, yet how it affects local and macroscopic manifestations of spin-phonon coupling remains unclear. Optical phonons probe bond-scale exchange modulation and short-range spin correlations, whereas long-wavelength acoustic modes couple to uniform strain fields and are sensitive to renormalization of the macroscopic elastic tensor associated with long-range magnetic order. Experimentally accessing these acoustic excitations in low-dimensional crystals is challenging due to their low energies and the small lateral dimensions of exfoliated samples. Here, we employ Brillouin-Mandelstam scattering spectroscopy to investigate surface acoustic phonons in exfoliated NiPS

Identifiers

PMID42869888

DOI10.1038/s41467-026-77234-4

PMCPMC13661896

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