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physics.app-ph2024★ 2 cited
Klein Tunneling of Gigahertz Elastic Waves in Nanoelectromechanical Metamaterials
Daehun Lee, Yue Jiang, Xiaoru Zhang +5
Klein tunneling, the perfect transmission of a normally incident relativistic particle through an energy barrier, has been tested in various electronic, photonic, and phononic syst…
physics.app-ph2023★ 13 cited
Nanoscale Imaging of Super-High-Frequency Microelectromechanical Resonators with Femtometer Sensitivity
Daehun Lee, Shahin Jahanbani, Jack Kramer +2
Implementing microelectromechanical system (MEMS) resonators calls for detailed microscopic understanding of the devices, such as energy dissipation channels, spurious modes, and i…