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Control of Raman scattering quantum interference pathways in graphene
Xue Chen, Sven Reichardt, Miao-Ling Lin +8
Graphene is an ideal platform to study the coherence of quantum interference pathways by tuning doping or laser excitation energy. The latter produces a Raman excitation profile th…
Ultrafast coherent interlayer phonon dynamics in atomically thin layers of MnBi2Te4
F. Michael Bartram, Yu-Chen Leng, Yongchao Wang +10
The atomically thin MnBi2Te4 crystal is a novel magnetic topological insulator, exhibiting exotic quantum physics. Here we report a systematic investigation of ultrafast carrier dy…
Phonon Renormalization in Reconstructed MoS Moiré Superlattices
Jiamin Quan, Lukas Linhart, Miao-Ling Lin +15
In moiré crystals formed by stacking van der Waals (vdW) materials, surprisingly diverse correlated electronic phases and optical properties can be realized by a subtle change in t…
Electronic Raman Scattering in Suspended Semiconducting Carbon Nanotubes
Yuecong Hu, Shaochuang Chen, Daqi Zhang +7
The electronic Raman scattering (ERS) features of single-walled carbon nanotubes (SWNTs) can reveal a wealth of information about their electronic structures, but have previously b…
Phonon-assisted electronic states modulation of few-layer PdSe2 at terahertz frequencies
Ziqi Li, Bo Peng, Miao-Ling Lin +6
Information technology demands high-speed optoelectronic devices, but going beyond the one terahertz (THz) barrier is challenging due to the difficulties associated with generating…
Direct evidences of pentagonal silicon chains and magic clusters
Shaoxiang Sheng, Runze Ma, Jiangbin Wu +11
Pentagon is one of the most beautiful geometric structures in nature, but it is rarely seen simply because five-fold symmetry is mathematically forbidden in a 2D or 3D periodic lat…