Research paperExperimental GrowthExperimental CharacterizationComputational DFTComputed PhononTuning Terahertz Optomechanics of MoS₂ Bilayers with Homogeneous in-plane StrainS. Patel, Jose D. Mella, S. Puri, Salvador Barraza-Lopez et al.arXiv·2026·10.1021/acs.nanolett.4c05079·arXiv:2602.03996AbstractHomogeneous in-plane biaxial tensile strain strengthens the out-of-plane van der Waals interaction in MoS₂ bilayers and can be used to tune their terahertz oscillations. Using ultralow-frequency Raman spectroscopy on 2H and 2R stacked bilayers, the paper reports hardening of interlayer breathing modes due to strain-induced Poisson contraction of the interlayer spacing, with an effective out-of-plane Poisson ratio of about 0.19–0.24 and a large Grüneisen parameter of about 14–20.Read more
As-grown MoS₂ monolayer on SiO₂ substrate.2 characterizations3 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2H MoS₂ bilayer on SiO₂ substrate.2 characterizations6 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2R MoS₂ bilayer on SiO₂ substrate.1 characterization1 figureExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ monolayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ bilayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ monolayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ bilayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2H MoS₂ bilayer.1 characterization13 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2R MoS₂ bilayer.1 characterization3 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand
Research paperExperimental GrowthExperimental CharacterizationComputational DFTComputed PhononTuning Terahertz Optomechanics of MoS₂ Bilayers with Homogeneous in-plane StrainS. Patel, Jose D. Mella, S. Puri, Salvador Barraza-Lopez et al.arXiv·2026·10.1021/acs.nanolett.4c05079·arXiv:2602.03996AbstractHomogeneous in-plane biaxial tensile strain strengthens the out-of-plane van der Waals interaction in MoS₂ bilayers and can be used to tune their terahertz oscillations. Using ultralow-frequency Raman spectroscopy on 2H and 2R stacked bilayers, the paper reports hardening of interlayer breathing modes due to strain-induced Poisson contraction of the interlayer spacing, with an effective out-of-plane Poisson ratio of about 0.19–0.24 and a large Grüneisen parameter of about 14–20.Read more
As-grown MoS₂ monolayer on SiO₂ substrate.2 characterizations3 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2H MoS₂ bilayer on SiO₂ substrate.2 characterizations6 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2R MoS₂ bilayer on SiO₂ substrate.1 characterization1 figureExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ monolayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ bilayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ monolayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ bilayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2H MoS₂ bilayer.1 characterization13 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2R MoS₂ bilayer.1 characterization3 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand
Research paperExperimental GrowthExperimental CharacterizationComputational DFTComputed PhononTuning Terahertz Optomechanics of MoS₂ Bilayers with Homogeneous in-plane StrainS. Patel, Jose D. Mella, S. Puri, Salvador Barraza-Lopez et al.arXiv·2026·10.1021/acs.nanolett.4c05079·arXiv:2602.03996AbstractHomogeneous in-plane biaxial tensile strain strengthens the out-of-plane van der Waals interaction in MoS₂ bilayers and can be used to tune their terahertz oscillations. Using ultralow-frequency Raman spectroscopy on 2H and 2R stacked bilayers, the paper reports hardening of interlayer breathing modes due to strain-induced Poisson contraction of the interlayer spacing, with an effective out-of-plane Poisson ratio of about 0.19–0.24 and a large Grüneisen parameter of about 14–20.Read more
As-grown MoS₂ monolayer on SiO₂ substrate.2 characterizations3 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2H MoS₂ bilayer on SiO₂ substrate.2 characterizations6 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2R MoS₂ bilayer on SiO₂ substrate.1 characterization1 figureExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ monolayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ bilayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ monolayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ bilayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2H MoS₂ bilayer.1 characterization13 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2R MoS₂ bilayer.1 characterization3 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand
Research paperExperimental GrowthExperimental CharacterizationComputational DFTComputed PhononTuning Terahertz Optomechanics of MoS₂ Bilayers with Homogeneous in-plane StrainS. Patel, Jose D. Mella, S. Puri, Salvador Barraza-Lopez et al.arXiv·2026·10.1021/acs.nanolett.4c05079·arXiv:2602.03996AbstractHomogeneous in-plane biaxial tensile strain strengthens the out-of-plane van der Waals interaction in MoS₂ bilayers and can be used to tune their terahertz oscillations. Using ultralow-frequency Raman spectroscopy on 2H and 2R stacked bilayers, the paper reports hardening of interlayer breathing modes due to strain-induced Poisson contraction of the interlayer spacing, with an effective out-of-plane Poisson ratio of about 0.19–0.24 and a large Grüneisen parameter of about 14–20.Read more
As-grown MoS₂ monolayer on SiO₂ substrate.2 characterizations3 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2H MoS₂ bilayer on SiO₂ substrate.2 characterizations6 properties4 figuresExperimentalMoS₂Studied MaterialExpand
As-grown 2R MoS₂ bilayer on SiO₂ substrate.1 characterization1 figureExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ monolayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
As-grown MoS₂ bilayer on Si₃N₄ substrate.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ monolayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
Transferred MoS₂ bilayer on SiO₂/Si, used as strain-relaxed control.1 characterization2 properties3 figuresExperimentalMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2H MoS₂ bilayer.1 characterization13 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand
DFT-relaxed strain-free 2R MoS₂ bilayer.1 characterization3 properties2 figuresSimulated Supercell DftMoS₂Studied MaterialExpand