ArticleNano letters2016
High Quality Factor Mechanical Resonators Based on WSe2 Monolayers.
Article in Nano letters, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed.
- Casimir-mediated amplification of flexural modes in suspended graphene.Nanoscale advances · 2026Article
- Opto-optical edge defect mitigation in solution-processed WSeNature communications · 2026Article
- Gigahertz multimode vibrations in graphene and MoSScience advances · 2026Article
- Functional 2D MoSMicrosystems & nanoengineering · 2026Article
- Interferometric Deflection Analysis of Suspended 2D Polyaramid Thin Films.Small methods · 2026Article
- Impact of Strain in Free-Standing PtSeAdvanced materials (Deerfield Beach, Fla.) · 2025Article
- Dynamic tuning of terahertz atomic lattice vibration via cross-scale mode coupling to nanomechanical resonance in WSeMicrosystems & nanoengineering · 2025Article
- Article
- Microwave synthesis of molybdenene from MoSNature nanotechnology · 2023Article
- Strain control of hybridization between dark and localized excitons in a 2D semiconductor.Nature communications · 2022Article
- Nanomechanical Resonators: Toward Atomic Scale.ACS nano · 2022Review
- Molybdenum disulfide (MoSRSC advances · 2022Review
- A Review on Graphene-Based Nano-Electromechanical Resonators: Fabrication, Performance, and Applications.Micromachines · 2022Review
- Fabry-Perot interferometric calibration of van der Waals material-based nanomechanical resonators.Nanoscale advances · 2022Article
- Article
- Reaching silicon-based NEMS performances with 3D printed nanomechanical resonators.Nature communications · 2021Article
- Thickness-Dependent Elastic Softening of Few-Layer Free-Standing MoSeAdvanced materials (Deerfield Beach, Fla.) · 2021Article
- Time-Domain Investigations of Coherent Phonons in van der Waals Thin Films.Nanomaterials (Basel, Switzerland) · 2020Review
- Dynamically-enhanced strain in atomically thin resonators.Nature communications · 2020Article
- Gas-Phase Formation of Highly Luminescent 2D GaSe Nanoparticle Ensembles in a Nonequilibrium Laser Ablation Process.Nanomaterials (Basel, Switzerland) · 2020Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Suspended monolayer transition metal dichalcogenides (TMD) are membranes that combine ultralow mass and exceptional optical properties, making them intriguing materials for opto-mechanical applications. However, the low measured quality factor of TMD resonators has been a roadblock so far. Here, we report an ultrasensitive optical readout of monolayer TMD resonators that allows us to reveal their mechanical properties at cryogenic temperatures. We find that the quality factor of monolayer WSe2 resonators greatly increases below room temperature, reaching values as high as 1.6 × 10(4) at liquid nitrogen temperature and 4.7 × 10(4) at liquid helium temperature. This surpasses the quality factor of monolayer graphene resonators with similar surface areas. Upon cooling the resonator, the resonant frequency increases significantly due to the thermal contraction of the WSe2 lattice. These measurements allow us to experimentally study the thermal expansion coefficient of WSe2 monolayers for the first time. High Q-factors are also found in resonators based on MoS2 and MoSe2 monolayers. The high quality-factor found in this work opens new possibilities for coupling mechanical vibrational states to two-dimensional excitons, valley pseudospins, and single quantum emitters and for quantum opto-mechanical experiments based on the Casimir interaction.
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