Search Results - "Lee, Daehun"

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  1. 1

    Nanoscale imaging of super-high-frequency microelectromechanical resonators with femtometer sensitivity by Lee, Daehun, Jahanbani, Shahin, Kramer, Jack, Lu, Ruochen, Lai, Keji

    Published in Nature communications (02-03-2023)
    “…Implementing microelectromechanical system (MEMS) resonators calls for detailed microscopic understanding of the devices, such as energy dissipation channels,…”
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    Journal Article
  2. 2

    Gigahertz topological valley Hall effect in nanoelectromechanical phononic crystals by Zhang, Qicheng, Lee, Daehun, Zheng, Lu, Ma, Xuejian, Meyer, Shawn I., He, Li, Ye, Han, Gong, Ze, Zhen, Bo, Lai, Keji, Johnson, A. T. Charlie

    Published in Nature electronics (28-03-2022)
    “…Topological phononic crystals can manipulate elastic waves that propagate in solids without being backscattered, and could be used to develop integrated…”
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    Journal Article
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    Phonon renormalization in reconstructed MoS2 moiré superlattices by Quan, Jiamin, Linhart, Lukas, Lin, Miao-Ling, Lee, Daehun, Zhu, Jihang, Wang, Chun-Yuan, Hsu, Wei-Ting, Choi, Junho, Embley, Jacob, Young, Carter, Taniguchi, Takashi, Watanabe, Kenji, Shih, Chih-Kang, Lai, Keji, MacDonald, Allan H., Tan, Ping-Heng, Libisch, Florian, Li, Xiaoqin

    Published in Nature materials (01-08-2021)
    “…In moiré crystals formed by stacking van der Waals materials, surprisingly diverse correlated electronic phases and optical properties can be realized by a…”
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    Journal Article
  5. 5

    Visualization of acoustic power flow in suspended thin-film lithium niobate phononic devices by Lee, Daehun, Meyer, Shawn, Gong, Songbin, Lu, Ruochen, Lai, Keji

    Published in Applied physics letters (22-11-2021)
    “…We report direct visualization of gigahertz-frequency acoustic waves in lithium niobate phononic circuits. Primary propagation parameters, such as the power…”
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    Journal Article
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    Electrical control of surface acoustic waves by Shao, Linbo, Zhu, Di, Colangelo, Marco, Lee, Daehun, Sinclair, Neil, Hu, Yaowen, Rakich, Peter T., Lai, Keji, Berggren, Karl K., Lončar, Marko

    Published in Nature electronics (01-06-2022)
    “…Acoustic waves at microwave frequencies are widely used in wireless communication and are potential information carriers in quantum applications. However, most…”
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    Journal Article
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    Phonon renormalization in reconstructed MoS 2 moiré superlattices by Quan, Jiamin, Linhart, Lukas, Lin, Miao-Ling, Lee, Daehun, Zhu, Jihang, Wang, Chun-Yuan, Hsu, Wei-Ting, Choi, Junho, Embley, Jacob, Young, Carter, Taniguchi, Takashi, Watanabe, Kenji, Shih, Chih-Kang, Lai, Keji, MacDonald, Allan H, Tan, Ping-Heng, Libisch, Florian, Li, Xiaoqin

    Published in Nature materials (22-03-2021)
    “…In moiré crystals formed by stacking van der Waals materials, surprisingly diverse correlated electronic phases and optical properties can be realized by a…”
    Get full text
    Journal Article
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    Nanoscale Imaging of Super-High-Frequency Microelectromechanical Resonators with Femtometer Sensitivity by Lee, Daehun, Jahanbani, Shahin, Kramer, Jack, Lu, Ruochen, Lai, Keji

    Published 16-02-2023
    “…Implementing microelectromechanical system (MEMS) resonators calls for detailed microscopic understanding of the devices, such as energy dissipation channels,…”
    Get full text
    Journal Article
  13. 13

    Visualization of Acoustic Power Flow in Suspended Thin-film Lithium Niobate Phononic Devices by Lee, Daehun, Meyer, Shawn, Gong, Songbin, Lu, Ruochen, Lai, Keji

    Published 01-10-2021
    “…We report direct visualization of gigahertz-frequency acoustic waves in lithium niobate phononic circuits. Primary propagation parameters, such as the power…”
    Get full text
    Journal Article
  14. 14

    Acoustic Wave Focusing Lens at Radio Frequencies in Thin-Film Lithium Niobate by Kramer, Jack, Lee, Daehun, Cho, Sinwoo, Jahanbani, Shahin, Lai, Keji, Lu, Ruochen

    “…Expanding techniques for chip-scale acoustic wave focusing would open doors for advancements in signal processing and quantum electromechanical microsystems…”
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    Conference Proceeding
  15. 15

    Klein Tunneling of Gigahertz Elastic Waves in Nanoelectromechanical Metamaterials by Lee, Daehun, Jiang, Yue, Zhang, Xiaoru, Jahanbani, Shahin, Wen, Chengyu, Zhang, Qicheng, Johnson, A. T. Charlie, Lai, Keji

    Published 08-08-2024
    “…Klein tunneling, the perfect transmission of a normally incident relativistic particle through an energy barrier, has been tested in various electronic,…”
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    Journal Article
  16. 16

    Direct Visualization of Gigahertz Acoustic Wave Propagation in Suspended Phononic Circuits by Lee, Daehun, Liu, Qiyu, Zheng, Lu, Ma, Xuejian, Li, Mo, Lai, Keji

    Published 27-05-2021
    “…Phys. Rev. Applied 16, 034047 (2021) We report direct visualization of gigahertz-frequency Lamb waves propagation in aluminum nitride phononic circuits by…”
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    Journal Article
  17. 17

    Observation of Gigahertz Topological Valley Hall Effect in Nanoelectromechanical Phononic Crystals by Zhang, Qicheng, Lee, Daehun, Zheng, Lu, Ma, Xuejian, Meyer, Shawn I, He, Li, Ye, Han, Gong, Ze, Zhen, Bo, Lai, Keji, Johnson, A. T. Charlie

    Published 17-03-2022
    “…Nature Electronics 5 (3), 157-163, 2022 Topological phononics offers numerous opportunities in manipulating elastic waves that can propagate in solids without…”
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    Journal Article
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    Phonon Renormalization in Reconstructed MoS$_2$ Moir\'e Superlattices by Quan, Jiamin, Linhart, Lukas, Lin, Miao-Ling, Lee, Daehun, Zhu, Jihang, Wang, Chun-Yuan, Hsu, Wei-Ting, Choi, Junho, Embley, Jacob, Young, Carter, Taniguchi, Takashi, Watanabe, Kenji, Shih, Chih-Kang, Lai, Keji, MacDonald, Allan H, Tan, Ping-Heng, Libisch, Florian, Li, Xiaoqin

    Published 22-09-2020
    “…In moir\'e crystals formed by stacking van der Waals (vdW) materials, surprisingly diverse correlated electronic phases and optical properties can be realized…”
    Get full text
    Journal Article