activity
20192026
most citedMeasuring phonon dispersion at an interface

148 citations · 364 across the 23 of their papers we have counts for

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Showing cond-mat.mes-hallShow all

6 papers · 1 filter

cond-mat.mes-hall2026

Direct Measurement of Exciton Dispersion in the Long-Wavelength Limit

Peiyi He, Jiade Li, Jiakai Wang +15

Exciton dispersion, which governs the propagation, scattering and radiative decay of electron-hole pairs, is essential to optoelectronics and quantum materials. In two-dimensional…

cond-mat.mes-hall2022★ 15 cited

Tunable Interband Transitions in Twisted h-BN/Graphene Heterostructures

Bingyao Liu, Yu-Tian Zhang, Ruixi Qiao +12

In twisted h-BN/graphene heterostructures, the complex electronic properties of the fast-traveling electron gas in graphene are usually considered to be fully revealed. However, th…

cond-mat.mes-hall2022★ 1 cited

Electron microscopy probing electron-photon interactions in SiC nanowires with ultra-wide energy and momentum match

Jinlong Du, Jin-hui Chen, Yuehui Li +4

Nanoscale materials usually can trap light and strongly interact with it leading to many photonic device applications. The light-matter interactions are commonly probed by optical…

cond-mat.mes-hall2021★ 3 cited

Atomic-Scale Probing of Heterointerface Phonon Bridges in Nitride Semiconductor

Yue-Hui Li, Rui-Shi Qi, Ruo-Chen Shi +12

Interface phonon modes that are generated by several atomic layers at the heterointerface play a major role in the interface thermal conductance for nanoscale high-power devices su…

cond-mat.mes-hall2020★ 61 cited

Four-dimensional Vibrational Spectroscopy for Nanoscale Mapping of Phonon Dispersion in BN Nanotubes

Ruishi Qi, Ning Li, Jinlong Du +8

Direct measurement of local phonon dispersion in individual nanostructures can greatly advance our understanding of their electrical, thermal, and mechanical properties. However, s…

cond-mat.mes-hall2019★ 35 cited

Nanoscale Probing of Localized Surface Phonon Polaritons in SiC Nanorods with Swift Electrons

Yuehui Li, Ruishi Qi, Ruochen Shi +4

Surface phonon polaritons hold much potential for subwavelength control and manipulation of light at the infrared to terahertz wavelengths. Here, aided by monochromatic scanning tr…