Magnetic and electronic phase transitions probed by nanomechanical resonance

Abstract

Two-dimensional (2D) materials enable new types of magnetic and electronic phases mediated by their reduced dimensionality like magic-angle induced phase transitions, 2D Ising antiferromagnets and ferromagnetism in 2D atomic layers and heterostructures. However, only a few methods are available to study these phase transitions, which for example is particularly challenging for antiferromagnetic materials. Here, we demonstrate that these phases can be probed by the mechanical motion: the temperature dependent resonance frequency and quality factor of multilayer 2D material membranes show clear anomalies near the phase transition temperature, which are correlated to anomalies in the specific heat of the materials. The observed coupling of mechanical degrees of freedom to magnetic and electronic order is attributed to thermodynamic relations that are not restricted to van der Waals materials. Nanomechanical resonators, therefore, offer the potential to characterize phase transitions in a wide variety of materials, including those that are antiferromagnetic, insulating or so thin that conventional bulk characterization methods become unsuitable.

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Cited by in corpus (33)

• Nanomechanical Resonators: Toward Atomic Scale
• Mesoscopic physics of nanomechanical systems
• Controlling the anisotropy of a van der Waals antiferromagnet with light
• Dynamics of 2D Material Membranes
• Limited ferromagnetic interactions in monolayers of MPS${}_3$ (M=Mn, Ni)
• Chemical design and magnetic ordering in thin layers of 2D MOFs
• Direct imaging of antiferromagnetic domains and anomalous layer-dependent mirror symmetry breaking in atomically thin MnPS${}_3$
• Tunable exciton-optomechanical coupling in suspended monolayer MoSe2
• Dynamically-enhanced strain in atomically thin resonators
• Dynamical criticality of spin-shear coupling in van der Waals antiferromagnets
• Tunable strong coupling of mechanical resonance between spatially separated FePS${}_3$ nanodrums
• Controlling magnetism with light in a zero orbital angular momentum antiferromagnet
• Study of charge density waves in suspended 2H-TaS2 and 2H-TaSe2 by nanomechanical resonance
• Spin-mechanical coupling in 2D antiferromagnet CrSBr
• Roadmap on Quantum Magnetic Materials
• Strain Engineering of Magnetoresistance and Magnetic Anisotropy in CrSBr
• Superconducting vortex-charge measurement using cavity electromechanics
• Identifying band structure changes of FePS3 across the antiferromagnetic phase transition
• A tunable fiber Fabry-Perot cavity for hybrid optomechanics stabilized at 4 K
• Imaging strain-controlled magnetic reversal in thin CrSBr
• A hybrid graphene-siliconnitride nanomembrane as a versatile and ultra-widely tunable mechanical device
• Laser-induced Demagnetization in van der Waals $XY$- and Ising-like Antiferromagnets NiPS${}_3$ and FePS${}_3$
• Probing Short-Range Correlations in the van der Waals Magnet CrSBr by Small-Angle Neutron Scattering
• Long-lived population inversion in resonantly driven excitonic antiferromagnet
• De Haas-van Alphen effect in graphene
• Spin waves in the bilayer van der Waals magnet CrSBr
• Mechanical resonant sensing of spin texture dynamics in a two-dimensional antiferromagnet
• Photothermal responsivity of van der Waals material-based nanomechanical resonators
• Nanomechanical vibrational response from electrical mixing measurements
• Electrical sensing of the thermal and light induced spin transition in robust contactless spin-crossover/graphene hybrid devices
• Nanomechanical probing and strain tuning of the Curie temperature in suspended Cr${}_2$Ge${}_2$Te${}_6$ heterostructures
• Magnetic anisotropy and magnetic ordering of transition-metal phosphorus trisulfides
• Atomically Resolved Acoustic Dynamics Coupled with Magnetic Order in a van der Waals Antiferromagnet