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This digest paper describes the experimental demonstration of two dimensional (2D) microscale ‘Chladni figure’-like patterns [1] of populations of microspheres in liquid using SiC micromechanical resonators. SiC square trampoline resonators (size: 50µm×50µm) exhibit appreciable high frequency multimode resonances when operating in liquid. We are able to manipulate relatively small (1.7µm in diameter)...
This digest paper reports on the first high-frequency nanomechanical resonators based on molybdenum disulfide (MoS2) crystalline flakes freely-suspended on microtrenches (∼13µm wide and 14µm deep) fabricated on flexible substrate, with bendability and stretchability. Through investigations of the device resonances via optical excitation and detection by ultrasensitive laser interferometry, we first...
This digest paper reports the first experimental exploration of directly culturing and measuring breast cancer cells at single-cell level, on the surfaces of silicon carbide (SiC) microdisk resonators. Enabled by the superior biocompatibility of SiC, individual breast cancer cells are observed to attach and spread on surfaces of SiC devices within only 3 hours of culturing. Multimode resonances at...
We demonstrate silicon carbide optomechanical microresonators with mechanical frequency up to 1.7GHz, mechanical quality above 5500 and optomechanical coupling around 100GHz/nm. The frequency can match the zero-field splitting of the defect spin in silicon carbide.
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