Search Results - "Lee, Daehun"
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1
Nanoscale imaging of super-high-frequency microelectromechanical resonators with femtometer sensitivity
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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2
Gigahertz topological valley Hall effect in nanoelectromechanical phononic crystals
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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3
Electrical control of surface acoustic waves
Published in Nature electronics (06-06-2022)Get full text
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4
Phonon renormalization in reconstructed MoS2 moiré superlattices
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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5
Visualization of acoustic power flow in suspended thin-film lithium niobate phononic devices
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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6
Evidence for a higher-order topological insulator in a three-dimensional material built from van der Waals stacking of bismuth-halide chains
Published in Nature materials (01-04-2021)“…Low-dimensional van der Waals materials have been extensively studied as a platform with which to generate quantum effects. Advancing this research,…”
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7
Non-volatile electric-field control of inversion symmetry
Published in Nature materials (01-02-2023)“…Competition between ground states at phase boundaries can lead to significant changes in properties under stimuli, particularly when these ground states have…”
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8
Electrical control of surface acoustic waves
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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9
Publisher Correction: Phonon renormalization in reconstructed MoS 2 moiré superlattices
Published in Nature materials (06-04-2021)Get full text
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10
Phonon renormalization in reconstructed MoS 2 moiré superlattices
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…”
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Journal Article -
11
Publisher Correction: Phonon renormalization in reconstructed MoS2 moiré superlattices
Published in Nature materials (01-08-2021)“…A Correction to this paper has been published: https://doi.org/10.1038/s41563-021-00998-1…”
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12
Nanoscale Imaging of Super-High-Frequency Microelectromechanical Resonators with Femtometer Sensitivity
Published 16-02-2023“…Implementing microelectromechanical system (MEMS) resonators calls for detailed microscopic understanding of the devices, such as energy dissipation channels,…”
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13
Visualization of Acoustic Power Flow in Suspended Thin-film Lithium Niobate Phononic Devices
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…”
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14
Acoustic Wave Focusing Lens at Radio Frequencies in Thin-Film Lithium Niobate
Published in 2022 IEEE MTT-S International Conference on Microwave Acoustics and Mechanics (IC-MAM) (18-07-2022)“…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
Klein Tunneling of Gigahertz Elastic Waves in Nanoelectromechanical Metamaterials
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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16
Direct Visualization of Gigahertz Acoustic Wave Propagation in Suspended Phononic Circuits
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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17
Observation of Gigahertz Topological Valley Hall Effect in Nanoelectromechanical Phononic Crystals
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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18
Nonvolatile Electric-Field Control of Inversion Symmetry
Published 02-01-2022“…In condensed-matter systems, competition between ground states at phase boundaries can lead to significant changes in material properties under external…”
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Journal Article -
19
Material design with the van der Waals stacking of bismuth-halide chains realizing a higher-order topological insulator
Published 10-02-2021“…The van der Waals (vdW) materials with low dimensions have been extensively studied as a platform to generate exotic quantum properties. Advancing this view, a…”
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Journal Article -
20
Phonon Renormalization in Reconstructed MoS$_2$ Moir\'e Superlattices
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…”
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Journal Article